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Diffstat (limited to 'gitweb/gitweb.perl')
| -rwxr-xr-x | gitweb/gitweb.perl | 6733 |
1 files changed, 6733 insertions, 0 deletions
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl new file mode 100755 index 0000000000..7e477af956 --- /dev/null +++ b/gitweb/gitweb.perl @@ -0,0 +1,6733 @@ +#!/usr/bin/perl + +# gitweb - simple web interface to track changes in git repositories +# +# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org> +# (C) 2005, Christian Gierke +# +# This program is licensed under the GPLv2 + +use strict; +use warnings; +use CGI qw(:standard :escapeHTML -nosticky); +use CGI::Util qw(unescape); +use CGI::Carp qw(fatalsToBrowser); +use Encode; +use Fcntl ':mode'; +use File::Find qw(); +use File::Basename qw(basename); +binmode STDOUT, ':utf8'; + +our $t0; +if (eval { require Time::HiRes; 1; }) { + $t0 = [Time::HiRes::gettimeofday()]; +} +our $number_of_git_cmds = 0; + +BEGIN { + CGI->compile() if $ENV{'MOD_PERL'}; +} + +our $cgi = new CGI; +our $version = "++GIT_VERSION++"; +our $my_url = $cgi->url(); +our $my_uri = $cgi->url(-absolute => 1); + +# Base URL for relative URLs in gitweb ($logo, $favicon, ...), +# needed and used only for URLs with nonempty PATH_INFO +our $base_url = $my_url; + +# When the script is used as DirectoryIndex, the URL does not contain the name +# of the script file itself, and $cgi->url() fails to strip PATH_INFO, so we +# have to do it ourselves. We make $path_info global because it's also used +# later on. +# +# Another issue with the script being the DirectoryIndex is that the resulting +# $my_url data is not the full script URL: this is good, because we want +# generated links to keep implying the script name if it wasn't explicitly +# indicated in the URL we're handling, but it means that $my_url cannot be used +# as base URL. +# Therefore, if we needed to strip PATH_INFO, then we know that we have +# to build the base URL ourselves: +our $path_info = $ENV{"PATH_INFO"}; +if ($path_info) { + if ($my_url =~ s,\Q$path_info\E$,, && + $my_uri =~ s,\Q$path_info\E$,, && + defined $ENV{'SCRIPT_NAME'}) { + $base_url = $cgi->url(-base => 1) . $ENV{'SCRIPT_NAME'}; + } +} + +# core git executable to use +# this can just be "git" if your webserver has a sensible PATH +our $GIT = "++GIT_BINDIR++/git"; + +# absolute fs-path which will be prepended to the project path +#our $projectroot = "/pub/scm"; +our $projectroot = "++GITWEB_PROJECTROOT++"; + +# fs traversing limit for getting project list +# the number is relative to the projectroot +our $project_maxdepth = "++GITWEB_PROJECT_MAXDEPTH++"; + +# target of the home link on top of all pages +our $home_link = $my_uri || "/"; + +# string of the home link on top of all pages +our $home_link_str = "++GITWEB_HOME_LINK_STR++"; + +# name of your site or organization to appear in page titles +# replace this with something more descriptive for clearer bookmarks +our $site_name = "++GITWEB_SITENAME++" + || ($ENV{'SERVER_NAME'} || "Untitled") . " Git"; + +# filename of html text to include at top of each page +our $site_header = "++GITWEB_SITE_HEADER++"; +# html text to include at home page +our $home_text = "++GITWEB_HOMETEXT++"; +# filename of html text to include at bottom of each page +our $site_footer = "++GITWEB_SITE_FOOTER++"; + +# URI of stylesheets +our @stylesheets = ("++GITWEB_CSS++"); +# URI of a single stylesheet, which can be overridden in GITWEB_CONFIG. +our $stylesheet = undef; +# URI of GIT logo (72x27 size) +our $logo = "++GITWEB_LOGO++"; +# URI of GIT favicon, assumed to be image/png type +our $favicon = "++GITWEB_FAVICON++"; +# URI of gitweb.js (JavaScript code for gitweb) +our $javascript = "++GITWEB_JS++"; + +# URI and label (title) of GIT logo link +#our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/"; +#our $logo_label = "git documentation"; +our $logo_url = "http://git-scm.com/"; +our $logo_label = "git homepage"; + +# source of projects list +our $projects_list = "++GITWEB_LIST++"; + +# the width (in characters) of the projects list "Description" column +our $projects_list_description_width = 25; + +# default order of projects list +# valid values are none, project, descr, owner, and age +our $default_projects_order = "project"; + +# show repository only if this file exists +# (only effective if this variable evaluates to true) +our $export_ok = "++GITWEB_EXPORT_OK++"; + +# show repository only if this subroutine returns true +# when given the path to the project, for example: +# sub { return -e "$_[0]/git-daemon-export-ok"; } +our $export_auth_hook = undef; + +# only allow viewing of repositories also shown on the overview page +our $strict_export = "++GITWEB_STRICT_EXPORT++"; + +# list of git base URLs used for URL to where fetch project from, +# i.e. full URL is "$git_base_url/$project" +our @git_base_url_list = grep { $_ ne '' } ("++GITWEB_BASE_URL++"); + +# default blob_plain mimetype and default charset for text/plain blob +our $default_blob_plain_mimetype = 'text/plain'; +our $default_text_plain_charset = undef; + +# file to use for guessing MIME types before trying /etc/mime.types +# (relative to the current git repository) +our $mimetypes_file = undef; + +# assume this charset if line contains non-UTF-8 characters; +# it should be valid encoding (see Encoding::Supported(3pm) for list), +# for which encoding all byte sequences are valid, for example +# 'iso-8859-1' aka 'latin1' (it is decoded without checking, so it +# could be even 'utf-8' for the old behavior) +our $fallback_encoding = 'latin1'; + +# rename detection options for git-diff and git-diff-tree +# - default is '-M', with the cost proportional to +# (number of removed files) * (number of new files). +# - more costly is '-C' (which implies '-M'), with the cost proportional to +# (number of changed files + number of removed files) * (number of new files) +# - even more costly is '-C', '--find-copies-harder' with cost +# (number of files in the original tree) * (number of new files) +# - one might want to include '-B' option, e.g. '-B', '-M' +our @diff_opts = ('-M'); # taken from git_commit + +# Disables features that would allow repository owners to inject script into +# the gitweb domain. +our $prevent_xss = 0; + +# information about snapshot formats that gitweb is capable of serving +our %known_snapshot_formats = ( + # name => { + # 'display' => display name, + # 'type' => mime type, + # 'suffix' => filename suffix, + # 'format' => --format for git-archive, + # 'compressor' => [compressor command and arguments] + # (array reference, optional) + # 'disabled' => boolean (optional)} + # + 'tgz' => { + 'display' => 'tar.gz', + 'type' => 'application/x-gzip', + 'suffix' => '.tar.gz', + 'format' => 'tar', + 'compressor' => ['gzip']}, + + 'tbz2' => { + 'display' => 'tar.bz2', + 'type' => 'application/x-bzip2', + 'suffix' => '.tar.bz2', + 'format' => 'tar', + 'compressor' => ['bzip2']}, + + 'txz' => { + 'display' => 'tar.xz', + 'type' => 'application/x-xz', + 'suffix' => '.tar.xz', + 'format' => 'tar', + 'compressor' => ['xz'], + 'disabled' => 1}, + + 'zip' => { + 'display' => 'zip', + 'type' => 'application/x-zip', + 'suffix' => '.zip', + 'format' => 'zip'}, +); + +# Aliases so we understand old gitweb.snapshot values in repository +# configuration. +our %known_snapshot_format_aliases = ( + 'gzip' => 'tgz', + 'bzip2' => 'tbz2', + 'xz' => 'txz', + + # backward compatibility: legacy gitweb config support + 'x-gzip' => undef, 'gz' => undef, + 'x-bzip2' => undef, 'bz2' => undef, + 'x-zip' => undef, '' => undef, +); + +# Pixel sizes for icons and avatars. If the default font sizes or lineheights +# are changed, it may be appropriate to change these values too via +# $GITWEB_CONFIG. +our %avatar_size = ( + 'default' => 16, + 'double' => 32 +); + +# You define site-wide feature defaults here; override them with +# $GITWEB_CONFIG as necessary. +our %feature = ( + # feature => { + # 'sub' => feature-sub (subroutine), + # 'override' => allow-override (boolean), + # 'default' => [ default options...] (array reference)} + # + # if feature is overridable (it means that allow-override has true value), + # then feature-sub will be called with default options as parameters; + # return value of feature-sub indicates if to enable specified feature + # + # if there is no 'sub' key (no feature-sub), then feature cannot be + # overriden + # + # use gitweb_get_feature(<feature>) to retrieve the <feature> value + # (an array) or gitweb_check_feature(<feature>) to check if <feature> + # is enabled + + # Enable the 'blame' blob view, showing the last commit that modified + # each line in the file. This can be very CPU-intensive. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'blame'}{'default'} = [1]; + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'blame'}{'override'} = 1; + # and in project config gitweb.blame = 0|1; + 'blame' => { + 'sub' => sub { feature_bool('blame', @_) }, + 'override' => 0, + 'default' => [0]}, + + # Enable the 'snapshot' link, providing a compressed archive of any + # tree. This can potentially generate high traffic if you have large + # project. + + # Value is a list of formats defined in %known_snapshot_formats that + # you wish to offer. + # To disable system wide have in $GITWEB_CONFIG + # $feature{'snapshot'}{'default'} = []; + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'snapshot'}{'override'} = 1; + # and in project config, a comma-separated list of formats or "none" + # to disable. Example: gitweb.snapshot = tbz2,zip; + 'snapshot' => { + 'sub' => \&feature_snapshot, + 'override' => 0, + 'default' => ['tgz']}, + + # Enable text search, which will list the commits which match author, + # committer or commit text to a given string. Enabled by default. + # Project specific override is not supported. + 'search' => { + 'override' => 0, + 'default' => [1]}, + + # Enable grep search, which will list the files in currently selected + # tree containing the given string. Enabled by default. This can be + # potentially CPU-intensive, of course. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'grep'}{'default'} = [1]; + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'grep'}{'override'} = 1; + # and in project config gitweb.grep = 0|1; + 'grep' => { + 'sub' => sub { feature_bool('grep', @_) }, + 'override' => 0, + 'default' => [1]}, + + # Enable the pickaxe search, which will list the commits that modified + # a given string in a file. This can be practical and quite faster + # alternative to 'blame', but still potentially CPU-intensive. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'pickaxe'}{'default'} = [1]; + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'pickaxe'}{'override'} = 1; + # and in project config gitweb.pickaxe = 0|1; + 'pickaxe' => { + 'sub' => sub { feature_bool('pickaxe', @_) }, + 'override' => 0, + 'default' => [1]}, + + # Enable showing size of blobs in a 'tree' view, in a separate + # column, similar to what 'ls -l' does. This cost a bit of IO. + + # To disable system wide have in $GITWEB_CONFIG + # $feature{'show-sizes'}{'default'} = [0]; + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'show-sizes'}{'override'} = 1; + # and in project config gitweb.showsizes = 0|1; + 'show-sizes' => { + 'sub' => sub { feature_bool('showsizes', @_) }, + 'override' => 0, + 'default' => [1]}, + + # Make gitweb use an alternative format of the URLs which can be + # more readable and natural-looking: project name is embedded + # directly in the path and the query string contains other + # auxiliary information. All gitweb installations recognize + # URL in either format; this configures in which formats gitweb + # generates links. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'pathinfo'}{'default'} = [1]; + # Project specific override is not supported. + + # Note that you will need to change the default location of CSS, + # favicon, logo and possibly other files to an absolute URL. Also, + # if gitweb.cgi serves as your indexfile, you will need to force + # $my_uri to contain the script name in your $GITWEB_CONFIG. + 'pathinfo' => { + 'override' => 0, + 'default' => [0]}, + + # Make gitweb consider projects in project root subdirectories + # to be forks of existing projects. Given project $projname.git, + # projects matching $projname/*.git will not be shown in the main + # projects list, instead a '+' mark will be added to $projname + # there and a 'forks' view will be enabled for the project, listing + # all the forks. If project list is taken from a file, forks have + # to be listed after the main project. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'forks'}{'default'} = [1]; + # Project specific override is not supported. + 'forks' => { + 'override' => 0, + 'default' => [0]}, + + # Insert custom links to the action bar of all project pages. + # This enables you mainly to link to third-party scripts integrating + # into gitweb; e.g. git-browser for graphical history representation + # or custom web-based repository administration interface. + + # The 'default' value consists of a list of triplets in the form + # (label, link, position) where position is the label after which + # to insert the link and link is a format string where %n expands + # to the project name, %f to the project path within the filesystem, + # %h to the current hash (h gitweb parameter) and %b to the current + # hash base (hb gitweb parameter); %% expands to %. + + # To enable system wide have in $GITWEB_CONFIG e.g. + # $feature{'actions'}{'default'} = [('graphiclog', + # '/git-browser/by-commit.html?r=%n', 'summary')]; + # Project specific override is not supported. + 'actions' => { + 'override' => 0, + 'default' => []}, + + # Allow gitweb scan project content tags described in ctags/ + # of project repository, and display the popular Web 2.0-ish + # "tag cloud" near the project list. Note that this is something + # COMPLETELY different from the normal Git tags. + + # gitweb by itself can show existing tags, but it does not handle + # tagging itself; you need an external application for that. + # For an example script, check Girocco's cgi/tagproj.cgi. + # You may want to install the HTML::TagCloud Perl module to get + # a pretty tag cloud instead of just a list of tags. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'ctags'}{'default'} = ['path_to_tag_script']; + # Project specific override is not supported. + 'ctags' => { + 'override' => 0, + 'default' => [0]}, + + # The maximum number of patches in a patchset generated in patch + # view. Set this to 0 or undef to disable patch view, or to a + # negative number to remove any limit. + + # To disable system wide have in $GITWEB_CONFIG + # $feature{'patches'}{'default'} = [0]; + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'patches'}{'override'} = 1; + # and in project config gitweb.patches = 0|n; + # where n is the maximum number of patches allowed in a patchset. + 'patches' => { + 'sub' => \&feature_patches, + 'override' => 0, + 'default' => [16]}, + + # Avatar support. When this feature is enabled, views such as + # shortlog or commit will display an avatar associated with + # the email of the committer(s) and/or author(s). + + # Currently available providers are gravatar and picon. + # If an unknown provider is specified, the feature is disabled. + + # Gravatar depends on Digest::MD5. + # Picon currently relies on the indiana.edu database. + + # To enable system wide have in $GITWEB_CONFIG + # $feature{'avatar'}{'default'} = ['<provider>']; + # where <provider> is either gravatar or picon. + # To have project specific config enable override in $GITWEB_CONFIG + # $feature{'avatar'}{'override'} = 1; + # and in project config gitweb.avatar = <provider>; + 'avatar' => { + 'sub' => \&feature_avatar, + 'override' => 0, + 'default' => ['']}, + + # Enable displaying how much time and how many git commands + # it took to generate and display page. Disabled by default. + # Project specific override is not supported. + 'timed' => { + 'override' => 0, + 'default' => [0]}, + + # Enable turning some links into links to actions which require + # JavaScript to run (like 'blame_incremental'). Not enabled by + # default. Project specific override is currently not supported. + 'javascript-actions' => { + 'override' => 0, + 'default' => [0]}, +); + +sub gitweb_get_feature { + my ($name) = @_; + return unless exists $feature{$name}; + my ($sub, $override, @defaults) = ( + $feature{$name}{'sub'}, + $feature{$name}{'override'}, + @{$feature{$name}{'default'}}); + if (!$override) { return @defaults; } + if (!defined $sub) { + warn "feature $name is not overridable"; + return @defaults; + } + return $sub->(@defaults); +} + +# A wrapper to check if a given feature is enabled. +# With this, you can say +# +# my $bool_feat = gitweb_check_feature('bool_feat'); +# gitweb_check_feature('bool_feat') or somecode; +# +# instead of +# +# my ($bool_feat) = gitweb_get_feature('bool_feat'); +# (gitweb_get_feature('bool_feat'))[0] or somecode; +# +sub gitweb_check_feature { + return (gitweb_get_feature(@_))[0]; +} + + +sub feature_bool { + my $key = shift; + my ($val) = git_get_project_config($key, '--bool'); + + if (!defined $val) { + return ($_[0]); + } elsif ($val eq 'true') { + return (1); + } elsif ($val eq 'false') { + return (0); + } +} + +sub feature_snapshot { + my (@fmts) = @_; + + my ($val) = git_get_project_config('snapshot'); + + if ($val) { + @fmts = ($val eq 'none' ? () : split /\s*[,\s]\s*/, $val); + } + + return @fmts; +} + +sub feature_patches { + my @val = (git_get_project_config('patches', '--int')); + + if (@val) { + return @val; + } + + return ($_[0]); +} + +sub feature_avatar { + my @val = (git_get_project_config('avatar')); + + return @val ? @val : @_; +} + +# checking HEAD file with -e is fragile if the repository was +# initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed +# and then pruned. +sub check_head_link { + my ($dir) = @_; + my $headfile = "$dir/HEAD"; + return ((-e $headfile) || + (-l $headfile && readlink($headfile) =~ /^refs\/heads\//)); +} + +sub check_export_ok { + my ($dir) = @_; + return (check_head_link($dir) && + (!$export_ok || -e "$dir/$export_ok") && + (!$export_auth_hook || $export_auth_hook->($dir))); +} + +# process alternate names for backward compatibility +# filter out unsupported (unknown) snapshot formats +sub filter_snapshot_fmts { + my @fmts = @_; + + @fmts = map { + exists $known_snapshot_format_aliases{$_} ? + $known_snapshot_format_aliases{$_} : $_} @fmts; + @fmts = grep { + exists $known_snapshot_formats{$_} && + !$known_snapshot_formats{$_}{'disabled'}} @fmts; +} + +our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++"; +if (-e $GITWEB_CONFIG) { + do $GITWEB_CONFIG; +} else { + our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++"; + do $GITWEB_CONFIG_SYSTEM if -e $GITWEB_CONFIG_SYSTEM; +} + +# version of the core git binary +our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown"; +$number_of_git_cmds++; + +$projects_list ||= $projectroot; + +# ====================================================================== +# input validation and dispatch + +# input parameters can be collected from a variety of sources (presently, CGI +# and PATH_INFO), so we define an %input_params hash that collects them all +# together during validation: this allows subsequent uses (e.g. href()) to be +# agnostic of the parameter origin + +our %input_params = (); + +# input parameters are stored with the long parameter name as key. This will +# also be used in the href subroutine to convert parameters to their CGI +# equivalent, and since the href() usage is the most frequent one, we store +# the name -> CGI key mapping here, instead of the reverse. +# +# XXX: Warning: If you touch this, check the search form for updating, +# too. + +our @cgi_param_mapping = ( + project => "p", + action => "a", + file_name => "f", + file_parent => "fp", + hash => "h", + hash_parent => "hp", + hash_base => "hb", + hash_parent_base => "hpb", + page => "pg", + order => "o", + searchtext => "s", + searchtype => "st", + snapshot_format => "sf", + extra_options => "opt", + search_use_regexp => "sr", + # this must be last entry (for manipulation from JavaScript) + javascript => "js" +); +our %cgi_param_mapping = @cgi_param_mapping; + +# we will also need to know the possible actions, for validation +our %actions = ( + "blame" => \&git_blame, + "blame_incremental" => \&git_blame_incremental, + "blame_data" => \&git_blame_data, + "blobdiff" => \&git_blobdiff, + "blobdiff_plain" => \&git_blobdiff_plain, + "blob" => \&git_blob, + "blob_plain" => \&git_blob_plain, + "commitdiff" => \&git_commitdiff, + "commitdiff_plain" => \&git_commitdiff_plain, + "commit" => \&git_commit, + "forks" => \&git_forks, + "heads" => \&git_heads, + "history" => \&git_history, + "log" => \&git_log, + "patch" => \&git_patch, + "patches" => \&git_patches, + "rss" => \&git_rss, + "atom" => \&git_atom, + "search" => \&git_search, + "search_help" => \&git_search_help, + "shortlog" => \&git_shortlog, + "summary" => \&git_summary, + "tag" => \&git_tag, + "tags" => \&git_tags, + "tree" => \&git_tree, + "snapshot" => \&git_snapshot, + "object" => \&git_object, + # those below don't need $project + "opml" => \&git_opml, + "project_list" => \&git_project_list, + "project_index" => \&git_project_index, +); + +# finally, we have the hash of allowed extra_options for the commands that +# allow them +our %allowed_options = ( + "--no-merges" => [ qw(rss atom log shortlog history) ], +); + +# fill %input_params with the CGI parameters. All values except for 'opt' +# should be single values, but opt can be an array. We should probably +# build an array of parameters that can be multi-valued, but since for the time +# being it's only this one, we just single it out +while (my ($name, $symbol) = each %cgi_param_mapping) { + if ($symbol eq 'opt') { + $input_params{$name} = [ $cgi->param($symbol) ]; + } else { + $input_params{$name} = $cgi->param($symbol); + } +} + +# now read PATH_INFO and update the parameter list for missing parameters +sub evaluate_path_info { + return if defined $input_params{'project'}; + return if !$path_info; + $path_info =~ s,^/+,,; + return if !$path_info; + + # find which part of PATH_INFO is project + my $project = $path_info; + $project =~ s,/+$,,; + while ($project && !check_head_link("$projectroot/$project")) { + $project =~ s,/*[^/]*$,,; + } + return unless $project; + $input_params{'project'} = $project; + + # do not change any parameters if an action is given using the query string + return if $input_params{'action'}; + $path_info =~ s,^\Q$project\E/*,,; + + # next, check if we have an action + my $action = $path_info; + $action =~ s,/.*$,,; + if (exists $actions{$action}) { + $path_info =~ s,^$action/*,,; + $input_params{'action'} = $action; + } + + # list of actions that want hash_base instead of hash, but can have no + # pathname (f) parameter + my @wants_base = ( + 'tree', + 'history', + ); + + # we want to catch + # [$hash_parent_base[:$file_parent]..]$hash_parent[:$file_name] + my ($parentrefname, $parentpathname, $refname, $pathname) = + ($path_info =~ /^(?:(.+?)(?::(.+))?\.\.)?(.+?)(?::(.+))?$/); + + # first, analyze the 'current' part + if (defined $pathname) { + # we got "branch:filename" or "branch:dir/" + # we could use git_get_type(branch:pathname), but: + # - it needs $git_dir + # - it does a git() call + # - the convention of terminating directories with a slash + # makes it superfluous + # - embedding the action in the PATH_INFO would make it even + # more superfluous + $pathname =~ s,^/+,,; + if (!$pathname || substr($pathname, -1) eq "/") { + $input_params{'action'} ||= "tree"; + $pathname =~ s,/$,,; + } else { + # the default action depends on whether we had parent info + # or not + if ($parentrefname) { + $input_params{'action'} ||= "blobdiff_plain"; + } else { + $input_params{'action'} ||= "blob_plain"; + } + } + $input_params{'hash_base'} ||= $refname; + $input_params{'file_name'} ||= $pathname; + } elsif (defined $refname) { + # we got "branch". In this case we have to choose if we have to + # set hash or hash_base. + # + # Most of the actions without a pathname only want hash to be + # set, except for the ones specified in @wants_base that want + # hash_base instead. It should also be noted that hand-crafted + # links having 'history' as an action and no pathname or hash + # set will fail, but that happens regardless of PATH_INFO. + $input_params{'action'} ||= "shortlog"; + if (grep { $_ eq $input_params{'action'} } @wants_base) { + $input_params{'hash_base'} ||= $refname; + } else { + $input_params{'hash'} ||= $refname; + } + } + + # next, handle the 'parent' part, if present + if (defined $parentrefname) { + # a missing pathspec defaults to the 'current' filename, allowing e.g. + # someproject/blobdiff/oldrev..newrev:/filename + if ($parentpathname) { + $parentpathname =~ s,^/+,,; + $parentpathname =~ s,/$,,; + $input_params{'file_parent'} ||= $parentpathname; + } else { + $input_params{'file_parent'} ||= $input_params{'file_name'}; + } + # we assume that hash_parent_base is wanted if a path was specified, + # or if the action wants hash_base instead of hash + if (defined $input_params{'file_parent'} || + grep { $_ eq $input_params{'action'} } @wants_base) { + $input_params{'hash_parent_base'} ||= $parentrefname; + } else { + $input_params{'hash_parent'} ||= $parentrefname; + } + } + + # for the snapshot action, we allow URLs in the form + # $project/snapshot/$hash.ext + # where .ext determines the snapshot and gets removed from the + # passed $refname to provide the $hash. + # + # To be able to tell that $refname includes the format extension, we + # require the following two conditions to be satisfied: + # - the hash input parameter MUST have been set from the $refname part + # of the URL (i.e. they must be equal) + # - the snapshot format MUST NOT have been defined already (e.g. from + # CGI parameter sf) + # It's also useless to try any matching unless $refname has a dot, + # so we check for that too + if (defined $input_params{'action'} && + $input_params{'action'} eq 'snapshot' && + defined $refname && index($refname, '.') != -1 && + $refname eq $input_params{'hash'} && + !defined $input_params{'snapshot_format'}) { + # We loop over the known snapshot formats, checking for + # extensions. Allowed extensions are both the defined suffix + # (which includes the initial dot already) and the snapshot + # format key itself, with a prepended dot + while (my ($fmt, $opt) = each %known_snapshot_formats) { + my $hash = $refname; + unless ($hash =~ s/(\Q$opt->{'suffix'}\E|\Q.$fmt\E)$//) { + next; + } + my $sfx = $1; + # a valid suffix was found, so set the snapshot format + # and reset the hash parameter + $input_params{'snapshot_format'} = $fmt; + $input_params{'hash'} = $hash; + # we also set the format suffix to the one requested + # in the URL: this way a request for e.g. .tgz returns + # a .tgz instead of a .tar.gz + $known_snapshot_formats{$fmt}{'suffix'} = $sfx; + last; + } + } +} +evaluate_path_info(); + +our $action = $input_params{'action'}; +if (defined $action) { + if (!validate_action($action)) { + die_error(400, "Invalid action parameter"); + } +} + +# parameters which are pathnames +our $project = $input_params{'project'}; +if (defined $project) { + if (!validate_project($project)) { + undef $project; + die_error(404, "No such project"); + } +} + +our $file_name = $input_params{'file_name'}; +if (defined $file_name) { + if (!validate_pathname($file_name)) { + die_error(400, "Invalid file parameter"); + } +} + +our $file_parent = $input_params{'file_parent'}; +if (defined $file_parent) { + if (!validate_pathname($file_parent)) { + die_error(400, "Invalid file parent parameter"); + } +} + +# parameters which are refnames +our $hash = $input_params{'hash'}; +if (defined $hash) { + if (!validate_refname($hash)) { + die_error(400, "Invalid hash parameter"); + } +} + +our $hash_parent = $input_params{'hash_parent'}; +if (defined $hash_parent) { + if (!validate_refname($hash_parent)) { + die_error(400, "Invalid hash parent parameter"); + } +} + +our $hash_base = $input_params{'hash_base'}; +if (defined $hash_base) { + if (!validate_refname($hash_base)) { + die_error(400, "Invalid hash base parameter"); + } +} + +our @extra_options = @{$input_params{'extra_options'}}; +# @extra_options is always defined, since it can only be (currently) set from +# CGI, and $cgi->param() returns the empty array in array context if the param +# is not set +foreach my $opt (@extra_options) { + if (not exists $allowed_options{$opt}) { + die_error(400, "Invalid option parameter"); + } + if (not grep(/^$action$/, @{$allowed_options{$opt}})) { + die_error(400, "Invalid option parameter for this action"); + } +} + +our $hash_parent_base = $input_params{'hash_parent_base'}; +if (defined $hash_parent_base) { + if (!validate_refname($hash_parent_base)) { + die_error(400, "Invalid hash parent base parameter"); + } +} + +# other parameters +our $page = $input_params{'page'}; +if (defined $page) { + if ($page =~ m/[^0-9]/) { + die_error(400, "Invalid page parameter"); + } +} + +our $searchtype = $input_params{'searchtype'}; +if (defined $searchtype) { + if ($searchtype =~ m/[^a-z]/) { + die_error(400, "Invalid searchtype parameter"); + } +} + +our $search_use_regexp = $input_params{'search_use_regexp'}; + +our $searchtext = $input_params{'searchtext'}; +our $search_regexp; +if (defined $searchtext) { + if (length($searchtext) < 2) { + die_error(403, "At least two characters are required for search parameter"); + } + $search_regexp = $search_use_regexp ? $searchtext : quotemeta $searchtext; +} + +# path to the current git repository +our $git_dir; +$git_dir = "$projectroot/$project" if $project; + +# list of supported snapshot formats +our @snapshot_fmts = gitweb_get_feature('snapshot'); +@snapshot_fmts = filter_snapshot_fmts(@snapshot_fmts); + +# check that the avatar feature is set to a known provider name, +# and for each provider check if the dependencies are satisfied. +# if the provider name is invalid or the dependencies are not met, +# reset $git_avatar to the empty string. +our ($git_avatar) = gitweb_get_feature('avatar'); +if ($git_avatar eq 'gravatar') { + $git_avatar = '' unless (eval { require Digest::MD5; 1; }); +} elsif ($git_avatar eq 'picon') { + # no dependencies +} else { + $git_avatar = ''; +} + +# dispatch +if (!defined $action) { + if (defined $hash) { + $action = git_get_type($hash); + } elsif (defined $hash_base && defined $file_name) { + $action = git_get_type("$hash_base:$file_name"); + } elsif (defined $project) { + $action = 'summary'; + } else { + $action = 'project_list'; + } +} +if (!defined($actions{$action})) { + die_error(400, "Unknown action"); +} +if ($action !~ m/^(?:opml|project_list|project_index)$/ && + !$project) { + die_error(400, "Project needed"); +} +$actions{$action}->(); +exit; + +## ====================================================================== +## action links + +sub href { + my %params = @_; + # default is to use -absolute url() i.e. $my_uri + my $href = $params{-full} ? $my_url : $my_uri; + + $params{'project'} = $project unless exists $params{'project'}; + + if ($params{-replay}) { + while (my ($name, $symbol) = each %cgi_param_mapping) { + if (!exists $params{$name}) { + $params{$name} = $input_params{$name}; + } + } + } + + my $use_pathinfo = gitweb_check_feature('pathinfo'); + if ($use_pathinfo and defined $params{'project'}) { + # try to put as many parameters as possible in PATH_INFO: + # - project name + # - action + # - hash_parent or hash_parent_base:/file_parent + # - hash or hash_base:/filename + # - the snapshot_format as an appropriate suffix + + # When the script is the root DirectoryIndex for the domain, + # $href here would be something like http://gitweb.example.com/ + # Thus, we strip any trailing / from $href, to spare us double + # slashes in the final URL + $href =~ s,/$,,; + + # Then add the project name, if present + $href .= "/".esc_url($params{'project'}); + delete $params{'project'}; + + # since we destructively absorb parameters, we keep this + # boolean that remembers if we're handling a snapshot + my $is_snapshot = $params{'action'} eq 'snapshot'; + + # Summary just uses the project path URL, any other action is + # added to the URL + if (defined $params{'action'}) { + $href .= "/".esc_url($params{'action'}) unless $params{'action'} eq 'summary'; + delete $params{'action'}; + } + + # Next, we put hash_parent_base:/file_parent..hash_base:/file_name, + # stripping nonexistent or useless pieces + $href .= "/" if ($params{'hash_base'} || $params{'hash_parent_base'} + || $params{'hash_parent'} || $params{'hash'}); + if (defined $params{'hash_base'}) { + if (defined $params{'hash_parent_base'}) { + $href .= esc_url($params{'hash_parent_base'}); + # skip the file_parent if it's the same as the file_name + if (defined $params{'file_parent'}) { + if (defined $params{'file_name'} && $params{'file_parent'} eq $params{'file_name'}) { + delete $params{'file_parent'}; + } elsif ($params{'file_parent'} !~ /\.\./) { + $href .= ":/".esc_url($params{'file_parent'}); + delete $params{'file_parent'}; + } + } + $href .= ".."; + delete $params{'hash_parent'}; + delete $params{'hash_parent_base'}; + } elsif (defined $params{'hash_parent'}) { + $href .= esc_url($params{'hash_parent'}). ".."; + delete $params{'hash_parent'}; + } + + $href .= esc_url($params{'hash_base'}); + if (defined $params{'file_name'} && $params{'file_name'} !~ /\.\./) { + $href .= ":/".esc_url($params{'file_name'}); + delete $params{'file_name'}; + } + delete $params{'hash'}; + delete $params{'hash_base'}; + } elsif (defined $params{'hash'}) { + $href .= esc_url($params{'hash'}); + delete $params{'hash'}; + } + + # If the action was a snapshot, we can absorb the + # snapshot_format parameter too + if ($is_snapshot) { + my $fmt = $params{'snapshot_format'}; + # snapshot_format should always be defined when href() + # is called, but just in case some code forgets, we + # fall back to the default + $fmt ||= $snapshot_fmts[0]; + $href .= $known_snapshot_formats{$fmt}{'suffix'}; + delete $params{'snapshot_format'}; + } + } + + # now encode the parameters explicitly + my @result = (); + for (my $i = 0; $i < @cgi_param_mapping; $i += 2) { + my ($name, $symbol) = ($cgi_param_mapping[$i], $cgi_param_mapping[$i+1]); + if (defined $params{$name}) { + if (ref($params{$name}) eq "ARRAY") { + foreach my $par (@{$params{$name}}) { + push @result, $symbol . "=" . esc_param($par); + } + } else { + push @result, $symbol . "=" . esc_param($params{$name}); + } + } + } + $href .= "?" . join(';', @result) if scalar @result; + + return $href; +} + + +## ====================================================================== +## validation, quoting/unquoting and escaping + +sub validate_action { + my $input = shift || return undef; + return undef unless exists $actions{$input}; + return $input; +} + +sub validate_project { + my $input = shift || return undef; + if (!validate_pathname($input) || + !(-d "$projectroot/$input") || + !check_export_ok("$projectroot/$input") || + ($strict_export && !project_in_list($input))) { + return undef; + } else { + return $input; + } +} + +sub validate_pathname { + my $input = shift || return undef; + + # no '.' or '..' as elements of path, i.e. no '.' nor '..' + # at the beginning, at the end, and between slashes. + # also this catches doubled slashes + if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) { + return undef; + } + # no null characters + if ($input =~ m!\0!) { + return undef; + } + return $input; +} + +sub validate_refname { + my $input = shift || return undef; + + # textual hashes are O.K. + if ($input =~ m/^[0-9a-fA-F]{40}$/) { + return $input; + } + # it must be correct pathname + $input = validate_pathname($input) + or return undef; + # restrictions on ref name according to git-check-ref-format + if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) { + return undef; + } + return $input; +} + +# decode sequences of octets in utf8 into Perl's internal form, +# which is utf-8 with utf8 flag set if needed. gitweb writes out +# in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning +sub to_utf8 { + my $str = shift; + if (utf8::valid($str)) { + utf8::decode($str); + return $str; + } else { + return decode($fallback_encoding, $str, Encode::FB_DEFAULT); + } +} + +# quote unsafe chars, but keep the slash, even when it's not +# correct, but quoted slashes look too horrible in bookmarks +sub esc_param { + my $str = shift; + $str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg; + $str =~ s/ /\+/g; + return $str; +} + +# quote unsafe chars in whole URL, so some charactrs cannot be quoted +sub esc_url { + my $str = shift; + $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg; + $str =~ s/\+/%2B/g; + $str =~ s/ /\+/g; + return $str; +} + +# replace invalid utf8 character with SUBSTITUTION sequence +sub esc_html { + my $str = shift; + my %opts = @_; + + $str = to_utf8($str); + $str = $cgi->escapeHTML($str); + if ($opts{'-nbsp'}) { + $str =~ s/ / /g; + } + $str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg; + return $str; +} + +# quote control characters and escape filename to HTML +sub esc_path { + my $str = shift; + my %opts = @_; + + $str = to_utf8($str); + $str = $cgi->escapeHTML($str); + if ($opts{'-nbsp'}) { + $str =~ s/ / /g; + } + $str =~ s|([[:cntrl:]])|quot_cec($1)|eg; + return $str; +} + +# Make control characters "printable", using character escape codes (CEC) +sub quot_cec { + my $cntrl = shift; + my %opts = @_; + my %es = ( # character escape codes, aka escape sequences + "\t" => '\t', # tab (HT) + "\n" => '\n', # line feed (LF) + "\r" => '\r', # carrige return (CR) + "\f" => '\f', # form feed (FF) + "\b" => '\b', # backspace (BS) + "\a" => '\a', # alarm (bell) (BEL) + "\e" => '\e', # escape (ESC) + "\013" => '\v', # vertical tab (VT) + "\000" => '\0', # nul character (NUL) + ); + my $chr = ( (exists $es{$cntrl}) + ? $es{$cntrl} + : sprintf('\%2x', ord($cntrl)) ); + if ($opts{-nohtml}) { + return $chr; + } else { + return "<span class=\"cntrl\">$chr</span>"; + } +} + +# Alternatively use unicode control pictures codepoints, +# Unicode "printable representation" (PR) +sub quot_upr { + my $cntrl = shift; + my %opts = @_; + + my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl)); + if ($opts{-nohtml}) { + return $chr; + } else { + return "<span class=\"cntrl\">$chr</span>"; + } +} + +# git may return quoted and escaped filenames +sub unquote { + my $str = shift; + + sub unq { + my $seq = shift; + my %es = ( # character escape codes, aka escape sequences + 't' => "\t", # tab (HT, TAB) + 'n' => "\n", # newline (NL) + 'r' => "\r", # return (CR) + 'f' => "\f", # form feed (FF) + 'b' => "\b", # backspace (BS) + 'a' => "\a", # alarm (bell) (BEL) + 'e' => "\e", # escape (ESC) + 'v' => "\013", # vertical tab (VT) + ); + + if ($seq =~ m/^[0-7]{1,3}$/) { + # octal char sequence + return chr(oct($seq)); + } elsif (exists $es{$seq}) { + # C escape sequence, aka character escape code + return $es{$seq}; + } + # quoted ordinary character + return $seq; + } + + if ($str =~ m/^"(.*)"$/) { + # needs unquoting + $str = $1; + $str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg; + } + return $str; +} + +# escape tabs (convert tabs to spaces) +sub untabify { + my $line = shift; + + while ((my $pos = index($line, "\t")) != -1) { + if (my $count = (8 - ($pos % 8))) { + my $spaces = ' ' x $count; + $line =~ s/\t/$spaces/; + } + } + + return $line; +} + +sub project_in_list { + my $project = shift; + my @list = git_get_projects_list(); + return @list && scalar(grep { $_->{'path'} eq $project } @list); +} + +## ---------------------------------------------------------------------- +## HTML aware string manipulation + +# Try to chop given string on a word boundary between position +# $len and $len+$add_len. If there is no word boundary there, +# chop at $len+$add_len. Do not chop if chopped part plus ellipsis +# (marking chopped part) would be longer than given string. +sub chop_str { + my $str = shift; + my $len = shift; + my $add_len = shift || 10; + my $where = shift || 'right'; # 'left' | 'center' | 'right' + + # Make sure perl knows it is utf8 encoded so we don't + # cut in the middle of a utf8 multibyte char. + $str = to_utf8($str); + + # allow only $len chars, but don't cut a word if it would fit in $add_len + # if it doesn't fit, cut it if it's still longer than the dots we would add + # remove chopped character entities entirely + + # when chopping in the middle, distribute $len into left and right part + # return early if chopping wouldn't make string shorter + if ($where eq 'center') { + return $str if ($len + 5 >= length($str)); # filler is length 5 + $len = int($len/2); + } else { + return $str if ($len + 4 >= length($str)); # filler is length 4 + } + + # regexps: ending and beginning with word part up to $add_len + my $endre = qr/.{$len}\w{0,$add_len}/; + my $begre = qr/\w{0,$add_len}.{$len}/; + + if ($where eq 'left') { + $str =~ m/^(.*?)($begre)$/; + my ($lead, $body) = ($1, $2); + if (length($lead) > 4) { + $body =~ s/^[^;]*;// if ($lead =~ m/&[^;]*$/); + $lead = " ..."; + } + return "$lead$body"; + + } elsif ($where eq 'center') { + $str =~ m/^($endre)(.*)$/; + my ($left, $str) = ($1, $2); + $str =~ m/^(.*?)($begre)$/; + my ($mid, $right) = ($1, $2); + if (length($mid) > 5) { + $left =~ s/&[^;]*$//; + $right =~ s/^[^;]*;// if ($mid =~ m/&[^;]*$/); + $mid = " ... "; + } + return "$left$mid$right"; + + } else { + $str =~ m/^($endre)(.*)$/; + my $body = $1; + my $tail = $2; + if (length($tail) > 4) { + $body =~ s/&[^;]*$//; + $tail = "... "; + } + return "$body$tail"; + } +} + +# takes the same arguments as chop_str, but also wraps a <span> around the +# result with a title attribute if it does get chopped. Additionally, the +# string is HTML-escaped. +sub chop_and_escape_str { + my ($str) = @_; + + my $chopped = chop_str(@_); + if ($chopped eq $str) { + return esc_html($chopped); + } else { + $str =~ s/[[:cntrl:]]/?/g; + return $cgi->span({-title=>$str}, esc_html($chopped)); + } +} + +## ---------------------------------------------------------------------- +## functions returning short strings + +# CSS class for given age value (in seconds) +sub age_class { + my $age = shift; + + if (!defined $age) { + return "noage"; + } elsif ($age < 60*60*2) { + return "age0"; + } elsif ($age < 60*60*24*2) { + return "age1"; + } else { + return "age2"; + } +} + +# convert age in seconds to "nn units ago" string +sub age_string { + my $age = shift; + my $age_str; + + if ($age > 60*60*24*365*2) { + $age_str = (int $age/60/60/24/365); + $age_str .= " years ago"; + } elsif ($age > 60*60*24*(365/12)*2) { + $age_str = int $age/60/60/24/(365/12); + $age_str .= " months ago"; + } elsif ($age > 60*60*24*7*2) { + $age_str = int $age/60/60/24/7; + $age_str .= " weeks ago"; + } elsif ($age > 60*60*24*2) { + $age_str = int $age/60/60/24; + $age_str .= " days ago"; + } elsif ($age > 60*60*2) { + $age_str = int $age/60/60; + $age_str .= " hours ago"; + } elsif ($age > 60*2) { + $age_str = int $age/60; + $age_str .= " min ago"; + } elsif ($age > 2) { + $age_str = int $age; + $age_str .= " sec ago"; + } else { + $age_str .= " right now"; + } + return $age_str; +} + +use constant { + S_IFINVALID => 0030000, + S_IFGITLINK => 0160000, +}; + +# submodule/subproject, a commit object reference +sub S_ISGITLINK { + my $mode = shift; + + return (($mode & S_IFMT) == S_IFGITLINK) +} + +# convert file mode in octal to symbolic file mode string +sub mode_str { + my $mode = oct shift; + + if (S_ISGITLINK($mode)) { + return 'm---------'; + } elsif (S_ISDIR($mode & S_IFMT)) { + return 'drwxr-xr-x'; + } elsif (S_ISLNK($mode)) { + return 'lrwxrwxrwx'; + } elsif (S_ISREG($mode)) { + # git cares only about the executable bit + if ($mode & S_IXUSR) { + return '-rwxr-xr-x'; + } else { + return '-rw-r--r--'; + }; + } else { + return '----------'; + } +} + +# convert file mode in octal to file type string +sub file_type { + my $mode = shift; + + if ($mode !~ m/^[0-7]+$/) { + return $mode; + } else { + $mode = oct $mode; + } + + if (S_ISGITLINK($mode)) { + return "submodule"; + } elsif (S_ISDIR($mode & S_IFMT)) { + return "directory"; + } elsif (S_ISLNK($mode)) { + return "symlink"; + } elsif (S_ISREG($mode)) { + return "file"; + } else { + return "unknown"; + } +} + +# convert file mode in octal to file type description string +sub file_type_long { + my $mode = shift; + + if ($mode !~ m/^[0-7]+$/) { + return $mode; + } else { + $mode = oct $mode; + } + + if (S_ISGITLINK($mode)) { + return "submodule"; + } elsif (S_ISDIR($mode & S_IFMT)) { + return "directory"; + } elsif (S_ISLNK($mode)) { + return "symlink"; + } elsif (S_ISREG($mode)) { + if ($mode & S_IXUSR) { + return "executable"; + } else { + return "file"; + }; + } else { + return "unknown"; + } +} + + +## ---------------------------------------------------------------------- +## functions returning short HTML fragments, or transforming HTML fragments +## which don't belong to other sections + +# format line of commit message. +sub format_log_line_html { + my $line = shift; + + $line = esc_html($line, -nbsp=>1); + $line =~ s{\b([0-9a-fA-F]{8,40})\b}{ + $cgi->a({-href => href(action=>"object", hash=>$1), + -class => "text"}, $1); + }eg; + + return $line; +} + +# format marker of refs pointing to given object + +# the destination action is chosen based on object type and current context: +# - for annotated tags, we choose the tag view unless it's the current view +# already, in which case we go to shortlog view +# - for other refs, we keep the current view if we're in history, shortlog or +# log view, and select shortlog otherwise +sub format_ref_marker { + my ($refs, $id) = @_; + my $markers = ''; + + if (defined $refs->{$id}) { + foreach my $ref (@{$refs->{$id}}) { + # this code exploits the fact that non-lightweight tags are the + # only indirect objects, and that they are the only objects for which + # we want to use tag instead of shortlog as action + my ($type, $name) = qw(); + my $indirect = ($ref =~ s/\^\{\}$//); + # e.g. tags/v2.6.11 or heads/next + if ($ref =~ m!^(.*?)s?/(.*)$!) { + $type = $1; + $name = $2; + } else { + $type = "ref"; + $name = $ref; + } + + my $class = $type; + $class .= " indirect" if $indirect; + + my $dest_action = "shortlog"; + + if ($indirect) { + $dest_action = "tag" unless $action eq "tag"; + } elsif ($action =~ /^(history|(short)?log)$/) { + $dest_action = $action; + } + + my $dest = ""; + $dest .= "refs/" unless $ref =~ m!^refs/!; + $dest .= $ref; + + my $link = $cgi->a({ + -href => href( + action=>$dest_action, + hash=>$dest + )}, $name); + + $markers .= " <span class=\"$class\" title=\"$ref\">" . + $link . "</span>"; + } + } + + if ($markers) { + return ' <span class="refs">'. $markers . '</span>'; + } else { + return ""; + } +} + +# format, perhaps shortened and with markers, title line +sub format_subject_html { + my ($long, $short, $href, $extra) = @_; + $extra = '' unless defined($extra); + + if (length($short) < length($long)) { + $long =~ s/[[:cntrl:]]/?/g; + return $cgi->a({-href => $href, -class => "list subject", + -title => to_utf8($long)}, + esc_html($short)) . $extra; + } else { + return $cgi->a({-href => $href, -class => "list subject"}, + esc_html($long)) . $extra; + } +} + +# Rather than recomputing the url for an email multiple times, we cache it +# after the first hit. This gives a visible benefit in views where the avatar +# for the same email is used repeatedly (e.g. shortlog). +# The cache is shared by all avatar engines (currently gravatar only), which +# are free to use it as preferred. Since only one avatar engine is used for any +# given page, there's no risk for cache conflicts. +our %avatar_cache = (); + +# Compute the picon url for a given email, by using the picon search service over at +# http://www.cs.indiana.edu/picons/search.html +sub picon_url { + my $email = lc shift; + if (!$avatar_cache{$email}) { + my ($user, $domain) = split('@', $email); + $avatar_cache{$email} = + "http://www.cs.indiana.edu/cgi-pub/kinzler/piconsearch.cgi/" . + "$domain/$user/" . + "users+domains+unknown/up/single"; + } + return $avatar_cache{$email}; +} + +# Compute the gravatar url for a given email, if it's not in the cache already. +# Gravatar stores only the part of the URL before the size, since that's the +# one computationally more expensive. This also allows reuse of the cache for +# different sizes (for this particular engine). +sub gravatar_url { + my $email = lc shift; + my $size = shift; + $avatar_cache{$email} ||= + "http://www.gravatar.com/avatar/" . + Digest::MD5::md5_hex($email) . "?s="; + return $avatar_cache{$email} . $size; +} + +# Insert an avatar for the given $email at the given $size if the feature +# is enabled. +sub git_get_avatar { + my ($email, %opts) = @_; + my $pre_white = ($opts{-pad_before} ? " " : ""); + my $post_white = ($opts{-pad_after} ? " " : ""); + $opts{-size} ||= 'default'; + my $size = $avatar_size{$opts{-size}} || $avatar_size{'default'}; + my $url = ""; + if ($git_avatar eq 'gravatar') { + $url = gravatar_url($email, $size); + } elsif ($git_avatar eq 'picon') { + $url = picon_url($email); + } + # Other providers can be added by extending the if chain, defining $url + # as needed. If no variant puts something in $url, we assume avatars + # are completely disabled/unavailable. + if ($url) { + return $pre_white . + "<img width=\"$size\" " . + "class=\"avatar\" " . + "src=\"$url\" " . + "alt=\"\" " . + "/>" . $post_white; + } else { + return ""; + } +} + +sub format_search_author { + my ($author, $searchtype, $displaytext) = @_; + my $have_search = gitweb_check_feature('search'); + + if ($have_search) { + my $performed = ""; + if ($searchtype eq 'author') { + $performed = "authored"; + } elsif ($searchtype eq 'committer') { + $performed = "committed"; + } + + return $cgi->a({-href => href(action=>"search", hash=>$hash, + searchtext=>$author, + searchtype=>$searchtype), class=>"list", + title=>"Search for commits $performed by $author"}, + $displaytext); + + } else { + return $displaytext; + } +} + +# format the author name of the given commit with the given tag +# the author name is chopped and escaped according to the other +# optional parameters (see chop_str). +sub format_author_html { + my $tag = shift; + my $co = shift; + my $author = chop_and_escape_str($co->{'author_name'}, @_); + return "<$tag class=\"author\">" . + format_search_author($co->{'author_name'}, "author", + git_get_avatar($co->{'author_email'}, -pad_after => 1) . + $author) . + "</$tag>"; +} + +# format git diff header line, i.e. "diff --(git|combined|cc) ..." +sub format_git_diff_header_line { + my $line = shift; + my $diffinfo = shift; + my ($from, $to) = @_; + + if ($diffinfo->{'nparents'}) { + # combined diff + $line =~ s!^(diff (.*?) )"?.*$!$1!; + if ($to->{'href'}) { + $line .= $cgi->a({-href => $to->{'href'}, -class => "path"}, + esc_path($to->{'file'})); + } else { # file was deleted (no href) + $line .= esc_path($to->{'file'}); + } + } else { + # "ordinary" diff + $line =~ s!^(diff (.*?) )"?a/.*$!$1!; + if ($from->{'href'}) { + $line .= $cgi->a({-href => $from->{'href'}, -class => "path"}, + 'a/' . esc_path($from->{'file'})); + } else { # file was added (no href) + $line .= 'a/' . esc_path($from->{'file'}); + } + $line .= ' '; + if ($to->{'href'}) { + $line .= $cgi->a({-href => $to->{'href'}, -class => "path"}, + 'b/' . esc_path($to->{'file'})); + } else { # file was deleted + $line .= 'b/' . esc_path($to->{'file'}); + } + } + + return "<div class=\"diff header\">$line</div>\n"; +} + +# format extended diff header line, before patch itself +sub format_extended_diff_header_line { + my $line = shift; + my $diffinfo = shift; + my ($from, $to) = @_; + + # match <path> + if ($line =~ s!^((copy|rename) from ).*$!$1! && $from->{'href'}) { + $line .= $cgi->a({-href=>$from->{'href'}, -class=>"path"}, + esc_path($from->{'file'})); + } + if ($line =~ s!^((copy|rename) to ).*$!$1! && $to->{'href'}) { + $line .= $cgi->a({-href=>$to->{'href'}, -class=>"path"}, + esc_path($to->{'file'})); + } + # match single <mode> + if ($line =~ m/\s(\d{6})$/) { + $line .= '<span class="info"> (' . + file_type_long($1) . + ')</span>'; + } + # match <hash> + if ($line =~ m/^index [0-9a-fA-F]{40},[0-9a-fA-F]{40}/) { + # can match only for combined diff + $line = 'index '; + for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) { + if ($from->{'href'}[$i]) { + $line .= $cgi->a({-href=>$from->{'href'}[$i], + -class=>"hash"}, + substr($diffinfo->{'from_id'}[$i],0,7)); + } else { + $line .= '0' x 7; + } + # separator + $line .= ',' if ($i < $diffinfo->{'nparents'} - 1); + } + $line .= '..'; + if ($to->{'href'}) { + $line .= $cgi->a({-href=>$to->{'href'}, -class=>"hash"}, + substr($diffinfo->{'to_id'},0,7)); + } else { + $line .= '0' x 7; + } + + } elsif ($line =~ m/^index [0-9a-fA-F]{40}..[0-9a-fA-F]{40}/) { + # can match only for ordinary diff + my ($from_link, $to_link); + if ($from->{'href'}) { + $from_link = $cgi->a({-href=>$from->{'href'}, -class=>"hash"}, + substr($diffinfo->{'from_id'},0,7)); + } else { + $from_link = '0' x 7; + } + if ($to->{'href'}) { + $to_link = $cgi->a({-href=>$to->{'href'}, -class=>"hash"}, + substr($diffinfo->{'to_id'},0,7)); + } else { + $to_link = '0' x 7; + } + my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'}); + $line =~ s!$from_id\.\.$to_id!$from_link..$to_link!; + } + + return $line . "<br/>\n"; +} + +# format from-file/to-file diff header +sub format_diff_from_to_header { + my ($from_line, $to_line, $diffinfo, $from, $to, @parents) = @_; + my $line; + my $result = ''; + + $line = $from_line; + #assert($line =~ m/^---/) if DEBUG; + # no extra formatting for "^--- /dev/null" + if (! $diffinfo->{'nparents'}) { + # ordinary (single parent) diff + if ($line =~ m!^--- "?a/!) { + if ($from->{'href'}) { + $line = '--- a/' . + $cgi->a({-href=>$from->{'href'}, -class=>"path"}, + esc_path($from->{'file'})); + } else { + $line = '--- a/' . + esc_path($from->{'file'}); + } + } + $result .= qq!<div class="diff from_file">$line</div>\n!; + + } else { + # combined diff (merge commit) + for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) { + if ($from->{'href'}[$i]) { + $line = '--- ' . + $cgi->a({-href=>href(action=>"blobdiff", + hash_parent=>$diffinfo->{'from_id'}[$i], + hash_parent_base=>$parents[$i], + file_parent=>$from->{'file'}[$i], + hash=>$diffinfo->{'to_id'}, + hash_base=>$hash, + file_name=>$to->{'file'}), + -class=>"path", + -title=>"diff" . ($i+1)}, + $i+1) . + '/' . + $cgi->a({-href=>$from->{'href'}[$i], -class=>"path"}, + esc_path($from->{'file'}[$i])); + } else { + $line = '--- /dev/null'; + } + $result .= qq!<div class="diff from_file">$line</div>\n!; + } + } + + $line = $to_line; + #assert($line =~ m/^\+\+\+/) if DEBUG; + # no extra formatting for "^+++ /dev/null" + if ($line =~ m!^\+\+\+ "?b/!) { + if ($to->{'href'}) { + $line = '+++ b/' . + $cgi->a({-href=>$to->{'href'}, -class=>"path"}, + esc_path($to->{'file'})); + } else { + $line = '+++ b/' . + esc_path($to->{'file'}); + } + } + $result .= qq!<div class="diff to_file">$line</div>\n!; + + return $result; +} + +# create note for patch simplified by combined diff +sub format_diff_cc_simplified { + my ($diffinfo, @parents) = @_; + my $result = ''; + + $result .= "<div class=\"diff header\">" . + "diff --cc "; + if (!is_deleted($diffinfo)) { + $result .= $cgi->a({-href => href(action=>"blob", + hash_base=>$hash, + hash=>$diffinfo->{'to_id'}, + file_name=>$diffinfo->{'to_file'}), + -class => "path"}, + esc_path($diffinfo->{'to_file'})); + } else { + $result .= esc_path($diffinfo->{'to_file'}); + } + $result .= "</div>\n" . # class="diff header" + "<div class=\"diff nodifferences\">" . + "Simple merge" . + "</div>\n"; # class="diff nodifferences" + + return $result; +} + +# format patch (diff) line (not to be used for diff headers) +sub format_diff_line { + my $line = shift; + my ($from, $to) = @_; + my $diff_class = ""; + + chomp $line; + + if ($from && $to && ref($from->{'href'}) eq "ARRAY") { + # combined diff + my $prefix = substr($line, 0, scalar @{$from->{'href'}}); + if ($line =~ m/^\@{3}/) { + $diff_class = " chunk_header"; + } elsif ($line =~ m/^\\/) { + $diff_class = " incomplete"; + } elsif ($prefix =~ tr/+/+/) { + $diff_class = " add"; + } elsif ($prefix =~ tr/-/-/) { + $diff_class = " rem"; + } + } else { + # assume ordinary diff + my $char = substr($line, 0, 1); + if ($char eq '+') { + $diff_class = " add"; + } elsif ($char eq '-') { + $diff_class = " rem"; + } elsif ($char eq '@') { + $diff_class = " chunk_header"; + } elsif ($char eq "\\") { + $diff_class = " incomplete"; + } + } + $line = untabify($line); + if ($from && $to && $line =~ m/^\@{2} /) { + my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) = + $line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/; + + $from_lines = 0 unless defined $from_lines; + $to_lines = 0 unless defined $to_lines; + + if ($from->{'href'}) { + $from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start", + -class=>"list"}, $from_text); + } + if ($to->{'href'}) { + $to_text = $cgi->a({-href=>"$to->{'href'}#l$to_start", + -class=>"list"}, $to_text); + } + $line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" . + "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>"; + return "<div class=\"diff$diff_class\">$line</div>\n"; + } elsif ($from && $to && $line =~ m/^\@{3}/) { + my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/; + my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines); + + @from_text = split(' ', $ranges); + for (my $i = 0; $i < @from_text; ++$i) { + ($from_start[$i], $from_nlines[$i]) = + (split(',', substr($from_text[$i], 1)), 0); + } + + $to_text = pop @from_text; + $to_start = pop @from_start; + $to_nlines = pop @from_nlines; + + $line = "<span class=\"chunk_info\">$prefix "; + for (my $i = 0; $i < @from_text; ++$i) { + if ($from->{'href'}[$i]) { + $line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]", + -class=>"list"}, $from_text[$i]); + } else { + $line .= $from_text[$i]; + } + $line .= " "; + } + if ($to->{'href'}) { + $line .= $cgi->a({-href=>"$to->{'href'}#l$to_start", + -class=>"list"}, $to_text); + } else { + $line .= $to_text; + } + $line .= " $prefix</span>" . + "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>"; + return "<div class=\"diff$diff_class\">$line</div>\n"; + } + return "<div class=\"diff$diff_class\">" . esc_html($line, -nbsp=>1) . "</div>\n"; +} + +# Generates undef or something like "_snapshot_" or "snapshot (_tbz2_ _zip_)", +# linked. Pass the hash of the tree/commit to snapshot. +sub format_snapshot_links { + my ($hash) = @_; + my $num_fmts = @snapshot_fmts; + if ($num_fmts > 1) { + # A parenthesized list of links bearing format names. + # e.g. "snapshot (_tar.gz_ _zip_)" + return "snapshot (" . join(' ', map + $cgi->a({ + -href => href( + action=>"snapshot", + hash=>$hash, + snapshot_format=>$_ + ) + }, $known_snapshot_formats{$_}{'display'}) + , @snapshot_fmts) . ")"; + } elsif ($num_fmts == 1) { + # A single "snapshot" link whose tooltip bears the format name. + # i.e. "_snapshot_" + my ($fmt) = @snapshot_fmts; + return + $cgi->a({ + -href => href( + action=>"snapshot", + hash=>$hash, + snapshot_format=>$fmt + ), + -title => "in format: $known_snapshot_formats{$fmt}{'display'}" + }, "snapshot"); + } else { # $num_fmts == 0 + return undef; + } +} + +## ...................................................................... +## functions returning values to be passed, perhaps after some +## transformation, to other functions; e.g. returning arguments to href() + +# returns hash to be passed to href to generate gitweb URL +# in -title key it returns description of link +sub get_feed_info { + my $format = shift || 'Atom'; + my %res = (action => lc($format)); + + # feed links are possible only for project views + return unless (defined $project); + # some views should link to OPML, or to generic project feed, + # or don't have specific feed yet (so they should use generic) + return if ($action =~ /^(?:tags|heads|forks|tag|search)$/x); + + my $branch; + # branches refs uses 'refs/heads/' prefix (fullname) to differentiate + # from tag links; this also makes possible to detect branch links + if ((defined $hash_base && $hash_base =~ m!^refs/heads/(.*)$!) || + (defined $hash && $hash =~ m!^refs/heads/(.*)$!)) { + $branch = $1; + } + # find log type for feed description (title) + my $type = 'log'; + if (defined $file_name) { + $type = "history of $file_name"; + $type .= "/" if ($action eq 'tree'); + $type .= " on '$branch'" if (defined $branch); + } else { + $type = "log of $branch" if (defined $branch); + } + + $res{-title} = $type; + $res{'hash'} = (defined $branch ? "refs/heads/$branch" : undef); + $res{'file_name'} = $file_name; + + return %res; +} + +## ---------------------------------------------------------------------- +## git utility subroutines, invoking git commands + +# returns path to the core git executable and the --git-dir parameter as list +sub git_cmd { + $number_of_git_cmds++; + return $GIT, '--git-dir='.$git_dir; +} + +# quote the given arguments for passing them to the shell +# quote_command("command", "arg 1", "arg with ' and ! characters") +# => "'command' 'arg 1' 'arg with '\'' and '\!' characters'" +# Try to avoid using this function wherever possible. +sub quote_command { + return join(' ', + map { my $a = $_; $a =~ s/(['!])/'\\$1'/g; "'$a'" } @_ ); +} + +# get HEAD ref of given project as hash +sub git_get_head_hash { + return git_get_full_hash(shift, 'HEAD'); +} + +sub git_get_full_hash { + return git_get_hash(@_); +} + +sub git_get_short_hash { + return git_get_hash(@_, '--short=7'); +} + +sub git_get_hash { + my ($project, $hash, @options) = @_; + my $o_git_dir = $git_dir; + my $retval = undef; + $git_dir = "$projectroot/$project"; + if (open my $fd, '-|', git_cmd(), 'rev-parse', + '--verify', '-q', @options, $hash) { + $retval = <$fd>; + chomp $retval if defined $retval; + close $fd; + } + if (defined $o_git_dir) { + $git_dir = $o_git_dir; + } + return $retval; +} + +# get type of given object +sub git_get_type { + my $hash = shift; + + open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return; + my $type = <$fd>; + close $fd or return; + chomp $type; + return $type; +} + +# repository configuration +our $config_file = ''; +our %config; + +# store multiple values for single key as anonymous array reference +# single values stored directly in the hash, not as [ <value> ] +sub hash_set_multi { + my ($hash, $key, $value) = @_; + + if (!exists $hash->{$key}) { + $hash->{$key} = $value; + } elsif (!ref $hash->{$key}) { + $hash->{$key} = [ $hash->{$key}, $value ]; + } else { + push @{$hash->{$key}}, $value; + } +} + +# return hash of git project configuration +# optionally limited to some section, e.g. 'gitweb' +sub git_parse_project_config { + my $section_regexp = shift; + my %config; + + local $/ = "\0"; + + open my $fh, "-|", git_cmd(), "config", '-z', '-l', + or return; + + while (my $keyval = <$fh>) { + chomp $keyval; + my ($key, $value) = split(/\n/, $keyval, 2); + + hash_set_multi(\%config, $key, $value) + if (!defined $section_regexp || $key =~ /^(?:$section_regexp)\./o); + } + close $fh; + + return %config; +} + +# convert config value to boolean: 'true' or 'false' +# no value, number > 0, 'true' and 'yes' values are true +# rest of values are treated as false (never as error) +sub config_to_bool { + my $val = shift; + + return 1 if !defined $val; # section.key + + # strip leading and trailing whitespace + $val =~ s/^\s+//; + $val =~ s/\s+$//; + + return (($val =~ /^\d+$/ && $val) || # section.key = 1 + ($val =~ /^(?:true|yes)$/i)); # section.key = true +} + +# convert config value to simple decimal number +# an optional value suffix of 'k', 'm', or 'g' will cause the value +# to be multiplied by 1024, 1048576, or 1073741824 +sub config_to_int { + my $val = shift; + + # strip leading and trailing whitespace + $val =~ s/^\s+//; + $val =~ s/\s+$//; + + if (my ($num, $unit) = ($val =~ /^([0-9]*)([kmg])$/i)) { + $unit = lc($unit); + # unknown unit is treated as 1 + return $num * ($unit eq 'g' ? 1073741824 : + $unit eq 'm' ? 1048576 : + $unit eq 'k' ? 1024 : 1); + } + return $val; +} + +# convert config value to array reference, if needed +sub config_to_multi { + my $val = shift; + + return ref($val) ? $val : (defined($val) ? [ $val ] : []); +} + +sub git_get_project_config { + my ($key, $type) = @_; + + # key sanity check + return unless ($key); + $key =~ s/^gitweb\.//; + return if ($key =~ m/\W/); + + # type sanity check + if (defined $type) { + $type =~ s/^--//; + $type = undef + unless ($type eq 'bool' || $type eq 'int'); + } + + # get config + if (!defined $config_file || + $config_file ne "$git_dir/config") { + %config = git_parse_project_config('gitweb'); + $config_file = "$git_dir/config"; + } + + # check if config variable (key) exists + return unless exists $config{"gitweb.$key"}; + + # ensure given type + if (!defined $type) { + return $config{"gitweb.$key"}; + } elsif ($type eq 'bool') { + # backward compatibility: 'git config --bool' returns true/false + return config_to_bool($config{"gitweb.$key"}) ? 'true' : 'false'; + } elsif ($type eq 'int') { + return config_to_int($config{"gitweb.$key"}); + } + return $config{"gitweb.$key"}; +} + +# get hash of given path at given ref +sub git_get_hash_by_path { + my $base = shift; + my $path = shift || return undef; + my $type = shift; + + $path =~ s,/+$,,; + + open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path + or die_error(500, "Open git-ls-tree failed"); + my $line = <$fd>; + close $fd or return undef; + + if (!defined $line) { + # there is no tree or hash given by $path at $base + return undef; + } + + #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' + $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/; + if (defined $type && $type ne $2) { + # type doesn't match + return undef; + } + return $3; +} + +# get path of entry with given hash at given tree-ish (ref) +# used to get 'from' filename for combined diff (merge commit) for renames +sub git_get_path_by_hash { + my $base = shift || return; + my $hash = shift || return; + + local $/ = "\0"; + + open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base + or return undef; + while (my $line = <$fd>) { + chomp $line; + + #'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423 gitweb' + #'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f gitweb/README' + if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) { + close $fd; + return $1; + } + } + close $fd; + return undef; +} + +## ...................................................................... +## git utility functions, directly accessing git repository + +sub git_get_project_description { + my $path = shift; + + $git_dir = "$projectroot/$path"; + open my $fd, '<', "$git_dir/description" + or return git_get_project_config('description'); + my $descr = <$fd>; + close $fd; + if (defined $descr) { + chomp $descr; + } + return $descr; +} + +sub git_get_project_ctags { + my $path = shift; + my $ctags = {}; + + $git_dir = "$projectroot/$path"; + opendir my $dh, "$git_dir/ctags" + or return $ctags; + foreach (grep { -f $_ } map { "$git_dir/ctags/$_" } readdir($dh)) { + open my $ct, '<', $_ or next; + my $val = <$ct>; + chomp $val; + close $ct; + my $ctag = $_; $ctag =~ s#.*/##; + $ctags->{$ctag} = $val; + } + closedir $dh; + $ctags; +} + +sub git_populate_project_tagcloud { + my $ctags = shift; + + # First, merge different-cased tags; tags vote on casing + my %ctags_lc; + foreach (keys %$ctags) { + $ctags_lc{lc $_}->{count} += $ctags->{$_}; + if (not $ctags_lc{lc $_}->{topcount} + or $ctags_lc{lc $_}->{topcount} < $ctags->{$_}) { + $ctags_lc{lc $_}->{topcount} = $ctags->{$_}; + $ctags_lc{lc $_}->{topname} = $_; + } + } + + my $cloud; + if (eval { require HTML::TagCloud; 1; }) { + $cloud = HTML::TagCloud->new; + foreach (sort keys %ctags_lc) { + # Pad the title with spaces so that the cloud looks + # less crammed. + my $title = $ctags_lc{$_}->{topname}; + $title =~ s/ / /g; + $title =~ s/^/ /g; + $title =~ s/$/ /g; + $cloud->add($title, $home_link."?by_tag=".$_, $ctags_lc{$_}->{count}); + } + } else { + $cloud = \%ctags_lc; + } + $cloud; +} + +sub git_show_project_tagcloud { + my ($cloud, $count) = @_; + print STDERR ref($cloud)."..\n"; + if (ref $cloud eq 'HTML::TagCloud') { + return $cloud->html_and_css($count); + } else { + my @tags = sort { $cloud->{$a}->{count} <=> $cloud->{$b}->{count} } keys %$cloud; + return '<p align="center">' . join (', ', map { + "<a href=\"$home_link?by_tag=$_\">$cloud->{$_}->{topname}</a>" + } splice(@tags, 0, $count)) . '</p>'; + } +} + +sub git_get_project_url_list { + my $path = shift; + + $git_dir = "$projectroot/$path"; + open my $fd, '<', "$git_dir/cloneurl" + or return wantarray ? + @{ config_to_multi(git_get_project_config('url')) } : + config_to_multi(git_get_project_config('url')); + my @git_project_url_list = map { chomp; $_ } <$fd>; + close $fd; + + return wantarray ? @git_project_url_list : \@git_project_url_list; +} + +sub git_get_projects_list { + my ($filter) = @_; + my @list; + + $filter ||= ''; + $filter =~ s/\.git$//; + + my $check_forks = gitweb_check_feature('forks'); + + if (-d $projects_list) { + # search in directory + my $dir = $projects_list . ($filter ? "/$filter" : ''); + # remove the trailing "/" + $dir =~ s!/+$!!; + my $pfxlen = length("$dir"); + my $pfxdepth = ($dir =~ tr!/!!); + + File::Find::find({ + follow_fast => 1, # follow symbolic links + follow_skip => 2, # ignore duplicates + dangling_symlinks => 0, # ignore dangling symlinks, silently + wanted => sub { + # skip project-list toplevel, if we get it. + return if (m!^[/.]$!); + # only directories can be git repositories + return unless (-d $_); + # don't traverse too deep (Find is super slow on os x) + if (($File::Find::name =~ tr!/!!) - $pfxdepth > $project_maxdepth) { + $File::Find::prune = 1; + return; + } + + my $subdir = substr($File::Find::name, $pfxlen + 1); + # we check related file in $projectroot + my $path = ($filter ? "$filter/" : '') . $subdir; + if (check_export_ok("$projectroot/$path")) { + push @list, { path => $path }; + $File::Find::prune = 1; + } + }, + }, "$dir"); + + } elsif (-f $projects_list) { + # read from file(url-encoded): + # 'git%2Fgit.git Linus+Torvalds' + # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin' + # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman' + my %paths; + open my $fd, '<', $projects_list or return; + PROJECT: + while (my $line = <$fd>) { + chomp $line; + my ($path, $owner) = split ' ', $line; + $path = unescape($path); + $owner = unescape($owner); + if (!defined $path) { + next; + } + if ($filter ne '') { + # looking for forks; + my $pfx = substr($path, 0, length($filter)); + if ($pfx ne $filter) { + next PROJECT; + } + my $sfx = substr($path, length($filter)); + if ($sfx !~ /^\/.*\.git$/) { + next PROJECT; + } + } elsif ($check_forks) { + PATH: + foreach my $filter (keys %paths) { + # looking for forks; + my $pfx = substr($path, 0, length($filter)); + if ($pfx ne $filter) { + next PATH; + } + my $sfx = substr($path, length($filter)); + if ($sfx !~ /^\/.*\.git$/) { + next PATH; + } + # is a fork, don't include it in + # the list + next PROJECT; + } + } + if (check_export_ok("$projectroot/$path")) { + my $pr = { + path => $path, + owner => to_utf8($owner), + }; + push @list, $pr; + (my $forks_path = $path) =~ s/\.git$//; + $paths{$forks_path}++; + } + } + close $fd; + } + return @list; +} + +our $gitweb_project_owner = undef; +sub git_get_project_list_from_file { + + return if (defined $gitweb_project_owner); + + $gitweb_project_owner = {}; + # read from file (url-encoded): + # 'git%2Fgit.git Linus+Torvalds' + # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin' + # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman' + if (-f $projects_list) { + open(my $fd, '<', $projects_list); + while (my $line = <$fd>) { + chomp $line; + my ($pr, $ow) = split ' ', $line; + $pr = unescape($pr); + $ow = unescape($ow); + $gitweb_project_owner->{$pr} = to_utf8($ow); + } + close $fd; + } +} + +sub git_get_project_owner { + my $project = shift; + my $owner; + + return undef unless $project; + $git_dir = "$projectroot/$project"; + + if (!defined $gitweb_project_owner) { + git_get_project_list_from_file(); + } + + if (exists $gitweb_project_owner->{$project}) { + $owner = $gitweb_project_owner->{$project}; + } + if (!defined $owner){ + $owner = git_get_project_config('owner'); + } + if (!defined $owner) { + $owner = get_file_owner("$git_dir"); + } + + return $owner; +} + +sub git_get_last_activity { + my ($path) = @_; + my $fd; + + $git_dir = "$projectroot/$path"; + open($fd, "-|", git_cmd(), 'for-each-ref', + '--format=%(committer)', + '--sort=-committerdate', + '--count=1', + 'refs/heads') or return; + my $most_recent = <$fd>; + close $fd or return; + if (defined $most_recent && + $most_recent =~ / (\d+) [-+][01]\d\d\d$/) { + my $timestamp = $1; + my $age = time - $timestamp; + return ($age, age_string($age)); + } + return (undef, undef); +} + +sub git_get_references { + my $type = shift || ""; + my %refs; + # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11 + # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{} + open my $fd, "-|", git_cmd(), "show-ref", "--dereference", + ($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type + or return; + + while (my $line = <$fd>) { + chomp $line; + if ($line =~ m!^([0-9a-fA-F]{40})\srefs/($type.*)$!) { + if (defined $refs{$1}) { + push @{$refs{$1}}, $2; + } else { + $refs{$1} = [ $2 ]; + } + } + } + close $fd or return; + return \%refs; +} + +sub git_get_rev_name_tags { + my $hash = shift || return undef; + + open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash + or return; + my $name_rev = <$fd>; + close $fd; + + if ($name_rev =~ m|^$hash tags/(.*)$|) { + return $1; + } else { + # catches also '$hash undefined' output + return undef; + } +} + +## ---------------------------------------------------------------------- +## parse to hash functions + +sub parse_date { + my $epoch = shift; + my $tz = shift || "-0000"; + + my %date; + my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"); + my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"); + my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch); + $date{'hour'} = $hour; + $date{'minute'} = $min; + $date{'mday'} = $mday; + $date{'day'} = $days[$wday]; + $date{'month'} = $months[$mon]; + $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", + $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec; + $date{'mday-time'} = sprintf "%d %s %02d:%02d", + $mday, $months[$mon], $hour ,$min; + $date{'iso-8601'} = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ", + 1900+$year, 1+$mon, $mday, $hour ,$min, $sec; + + $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/; + my $local = $epoch + ((int $1 + ($2/60)) * 3600); + ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local); + $date{'hour_local'} = $hour; + $date{'minute_local'} = $min; + $date{'tz_local'} = $tz; + $date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s", + 1900+$year, $mon+1, $mday, + $hour, $min, $sec, $tz); + return %date; +} + +sub parse_tag { + my $tag_id = shift; + my %tag; + my @comment; + + open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return; + $tag{'id'} = $tag_id; + while (my $line = <$fd>) { + chomp $line; + if ($line =~ m/^object ([0-9a-fA-F]{40})$/) { + $tag{'object'} = $1; + } elsif ($line =~ m/^type (.+)$/) { + $tag{'type'} = $1; + } elsif ($line =~ m/^tag (.+)$/) { + $tag{'name'} = $1; + } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) { + $tag{'author'} = $1; + $tag{'author_epoch'} = $2; + $tag{'author_tz'} = $3; + if ($tag{'author'} =~ m/^([^<]+) <([^>]*)>/) { + $tag{'author_name'} = $1; + $tag{'author_email'} = $2; + } else { + $tag{'author_name'} = $tag{'author'}; + } + } elsif ($line =~ m/--BEGIN/) { + push @comment, $line; + last; + } elsif ($line eq "") { + last; + } + } + push @comment, <$fd>; + $tag{'comment'} = \@comment; + close $fd or return; + if (!defined $tag{'name'}) { + return + }; + return %tag +} + +sub parse_commit_text { + my ($commit_text, $withparents) = @_; + my @commit_lines = split '\n', $commit_text; + my %co; + + pop @commit_lines; # Remove '\0' + + if (! @commit_lines) { + return; + } + + my $header = shift @commit_lines; + if ($header !~ m/^[0-9a-fA-F]{40}/) { + return; + } + ($co{'id'}, my @parents) = split ' ', $header; + while (my $line = shift @commit_lines) { + last if $line eq "\n"; + if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) { + $co{'tree'} = $1; + } elsif ((!defined $withparents) && ($line =~ m/^parent ([0-9a-fA-F]{40})$/)) { + push @parents, $1; + } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) { + $co{'author'} = to_utf8($1); + $co{'author_epoch'} = $2; + $co{'author_tz'} = $3; + if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) { + $co{'author_name'} = $1; + $co{'author_email'} = $2; + } else { + $co{'author_name'} = $co{'author'}; + } + } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) { + $co{'committer'} = to_utf8($1); + $co{'committer_epoch'} = $2; + $co{'committer_tz'} = $3; + if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) { + $co{'committer_name'} = $1; + $co{'committer_email'} = $2; + } else { + $co{'committer_name'} = $co{'committer'}; + } + } + } + if (!defined $co{'tree'}) { + return; + }; + $co{'parents'} = \@parents; + $co{'parent'} = $parents[0]; + + foreach my $title (@commit_lines) { + $title =~ s/^ //; + if ($title ne "") { + $co{'title'} = chop_str($title, 80, 5); + # remove leading stuff of merges to make the interesting part visible + if (length($title) > 50) { + $title =~ s/^Automatic //; + $title =~ s/^merge (of|with) /Merge ... /i; + if (length($title) > 50) { + $title =~ s/(http|rsync):\/\///; + } + if (length($title) > 50) { + $title =~ s/(master|www|rsync)\.//; + } + if (length($title) > 50) { + $title =~ s/kernel.org:?//; + } + if (length($title) > 50) { + $title =~ s/\/pub\/scm//; + } + } + $co{'title_short'} = chop_str($title, 50, 5); + last; + } + } + if (! defined $co{'title'} || $co{'title'} eq "") { + $co{'title'} = $co{'title_short'} = '(no commit message)'; + } + # remove added spaces + foreach my $line (@commit_lines) { + $line =~ s/^ //; + } + $co{'comment'} = \@commit_lines; + + my $age = time - $co{'committer_epoch'}; + $co{'age'} = $age; + $co{'age_string'} = age_string($age); + my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'}); + if ($age > 60*60*24*7*2) { + $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday; + $co{'age_string_age'} = $co{'age_string'}; + } else { + $co{'age_string_date'} = $co{'age_string'}; + $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday; + } + return %co; +} + +sub parse_commit { + my ($commit_id) = @_; + my %co; + + local $/ = "\0"; + + open my $fd, "-|", git_cmd(), "rev-list", + "--parents", + "--header", + "--max-count=1", + $commit_id, + "--", + or die_error(500, "Open git-rev-list failed"); + %co = parse_commit_text(<$fd>, 1); + close $fd; + + return %co; +} + +sub parse_commits { + my ($commit_id, $maxcount, $skip, $filename, @args) = @_; + my @cos; + + $maxcount ||= 1; + $skip ||= 0; + + local $/ = "\0"; + + open my $fd, "-|", git_cmd(), "rev-list", + "--header", + @args, + ("--max-count=" . $maxcount), + ("--skip=" . $skip), + @extra_options, + $commit_id, + "--", + ($filename ? ($filename) : ()) + or die_error(500, "Open git-rev-list failed"); + while (my $line = <$fd>) { + my %co = parse_commit_text($line); + push @cos, \%co; + } + close $fd; + + return wantarray ? @cos : \@cos; +} + +# parse line of git-diff-tree "raw" output +sub parse_difftree_raw_line { + my $line = shift; + my %res; + + # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M ls-files.c' + # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M rev-tree.c' + if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) { + $res{'from_mode'} = $1; + $res{'to_mode'} = $2; + $res{'from_id'} = $3; + $res{'to_id'} = $4; + $res{'status'} = $5; + $res{'similarity'} = $6; + if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied + ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7); + } else { + $res{'from_file'} = $res{'to_file'} = $res{'file'} = unquote($7); + } + } + # '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh' + # combined diff (for merge commit) + elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:[0-9a-fA-F]{40} )+)([a-zA-Z]+)\t(.*)$//) { + $res{'nparents'} = length($1); + $res{'from_mode'} = [ split(' ', $2) ]; + $res{'to_mode'} = pop @{$res{'from_mode'}}; + $res{'from_id'} = [ split(' ', $3) ]; + $res{'to_id'} = pop @{$res{'from_id'}}; + $res{'status'} = [ split('', $4) ]; + $res{'to_file'} = unquote($5); + } + # 'c512b523472485aef4fff9e57b229d9d243c967f' + elsif ($line =~ m/^([0-9a-fA-F]{40})$/) { + $res{'commit'} = $1; + } + + return wantarray ? %res : \%res; +} + +# wrapper: return parsed line of git-diff-tree "raw" output +# (the argument might be raw line, or parsed info) +sub parsed_difftree_line { + my $line_or_ref = shift; + + if (ref($line_or_ref) eq "HASH") { + # pre-parsed (or generated by hand) + return $line_or_ref; + } else { + return parse_difftree_raw_line($line_or_ref); + } +} + +# parse line of git-ls-tree output +sub parse_ls_tree_line { + my $line = shift; + my %opts = @_; + my %res; + + if ($opts{'-l'}) { + #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa 16717 panic.c' + $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40}) +(-|[0-9]+)\t(.+)$/s; + + $res{'mode'} = $1; + $res{'type'} = $2; + $res{'hash'} = $3; + $res{'size'} = $4; + if ($opts{'-z'}) { + $res{'name'} = $5; + } else { + $res{'name'} = unquote($5); + } + } else { + #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' + $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/s; + + $res{'mode'} = $1; + $res{'type'} = $2; + $res{'hash'} = $3; + if ($opts{'-z'}) { + $res{'name'} = $4; + } else { + $res{'name'} = unquote($4); + } + } + + return wantarray ? %res : \%res; +} + +# generates _two_ hashes, references to which are passed as 2 and 3 argument +sub parse_from_to_diffinfo { + my ($diffinfo, $from, $to, @parents) = @_; + + if ($diffinfo->{'nparents'}) { + # combined diff + $from->{'file'} = []; + $from->{'href'} = []; + fill_from_file_info($diffinfo, @parents) + unless exists $diffinfo->{'from_file'}; + for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) { + $from->{'file'}[$i] = + defined $diffinfo->{'from_file'}[$i] ? + $diffinfo->{'from_file'}[$i] : + $diffinfo->{'to_file'}; + if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file + $from->{'href'}[$i] = href(action=>"blob", + hash_base=>$parents[$i], + hash=>$diffinfo->{'from_id'}[$i], + file_name=>$from->{'file'}[$i]); + } else { + $from->{'href'}[$i] = undef; + } + } + } else { + # ordinary (not combined) diff + $from->{'file'} = $diffinfo->{'from_file'}; + if ($diffinfo->{'status'} ne "A") { # not new (added) file + $from->{'href'} = href(action=>"blob", hash_base=>$hash_parent, + hash=>$diffinfo->{'from_id'}, + file_name=>$from->{'file'}); + } else { + delete $from->{'href'}; + } + } + + $to->{'file'} = $diffinfo->{'to_file'}; + if (!is_deleted($diffinfo)) { # file exists in result + $to->{'href'} = href(action=>"blob", hash_base=>$hash, + hash=>$diffinfo->{'to_id'}, + file_name=>$to->{'file'}); + } else { + delete $to->{'href'}; + } +} + +## ...................................................................... +## parse to array of hashes functions + +sub git_get_heads_list { + my $limit = shift; + my @headslist; + + open my $fd, '-|', git_cmd(), 'for-each-ref', + ($limit ? '--count='.($limit+1) : ()), '--sort=-committerdate', + '--format=%(objectname) %(refname) %(subject)%00%(committer)', + 'refs/heads' + or return; + while (my $line = <$fd>) { + my %ref_item; + + chomp $line; + my ($refinfo, $committerinfo) = split(/\0/, $line); + my ($hash, $name, $title) = split(' ', $refinfo, 3); + my ($committer, $epoch, $tz) = + ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/); + $ref_item{'fullname'} = $name; + $name =~ s!^refs/heads/!!; + + $ref_item{'name'} = $name; + $ref_item{'id'} = $hash; + $ref_item{'title'} = $title || '(no commit message)'; + $ref_item{'epoch'} = $epoch; + if ($epoch) { + $ref_item{'age'} = age_string(time - $ref_item{'epoch'}); + } else { + $ref_item{'age'} = "unknown"; + } + + push @headslist, \%ref_item; + } + close $fd; + + return wantarray ? @headslist : \@headslist; +} + +sub git_get_tags_list { + my $limit = shift; + my @tagslist; + + open my $fd, '-|', git_cmd(), 'for-each-ref', + ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate', + '--format=%(objectname) %(objecttype) %(refname) '. + '%(*objectname) %(*objecttype) %(subject)%00%(creator)', + 'refs/tags' + or return; + while (my $line = <$fd>) { + my %ref_item; + + chomp $line; + my ($refinfo, $creatorinfo) = split(/\0/, $line); + my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6); + my ($creator, $epoch, $tz) = + ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/); + $ref_item{'fullname'} = $name; + $name =~ s!^refs/tags/!!; + + $ref_item{'type'} = $type; + $ref_item{'id'} = $id; + $ref_item{'name'} = $name; + if ($type eq "tag") { + $ref_item{'subject'} = $title; + $ref_item{'reftype'} = $reftype; + $ref_item{'refid'} = $refid; + } else { + $ref_item{'reftype'} = $type; + $ref_item{'refid'} = $id; + } + + if ($type eq "tag" || $type eq "commit") { + $ref_item{'epoch'} = $epoch; + if ($epoch) { + $ref_item{'age'} = age_string(time - $ref_item{'epoch'}); + } else { + $ref_item{'age'} = "unknown"; + } + } + + push @tagslist, \%ref_item; + } + close $fd; + + return wantarray ? @tagslist : \@tagslist; +} + +## ---------------------------------------------------------------------- +## filesystem-related functions + +sub get_file_owner { + my $path = shift; + + my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path); + my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid); + if (!defined $gcos) { + return undef; + } + my $owner = $gcos; + $owner =~ s/[,;].*$//; + return to_utf8($owner); +} + +# assume that file exists +sub insert_file { + my $filename = shift; + + open my $fd, '<', $filename; + print map { to_utf8($_) } <$fd>; + close $fd; +} + +## ...................................................................... +## mimetype related functions + +sub mimetype_guess_file { + my $filename = shift; + my $mimemap = shift; + -r $mimemap or return undef; + + my %mimemap; + open(my $mh, '<', $mimemap) or return undef; + while (<$mh>) { + next if m/^#/; # skip comments + my ($mimetype, $exts) = split(/\t+/); + if (defined $exts) { + my @exts = split(/\s+/, $exts); + foreach my $ext (@exts) { + $mimemap{$ext} = $mimetype; + } + } + } + close($mh); + + $filename =~ /\.([^.]*)$/; + return $mimemap{$1}; +} + +sub mimetype_guess { + my $filename = shift; + my $mime; + $filename =~ /\./ or return undef; + + if ($mimetypes_file) { + my $file = $mimetypes_file; + if ($file !~ m!^/!) { # if it is relative path + # it is relative to project + $file = "$projectroot/$project/$file"; + } + $mime = mimetype_guess_file($filename, $file); + } + $mime ||= mimetype_guess_file($filename, '/etc/mime.types'); + return $mime; +} + +sub blob_mimetype { + my $fd = shift; + my $filename = shift; + + if ($filename) { + my $mime = mimetype_guess($filename); + $mime and return $mime; + } + + # just in case + return $default_blob_plain_mimetype unless $fd; + + if (-T $fd) { + return 'text/plain'; + } elsif (! $filename) { + return 'application/octet-stream'; + } elsif ($filename =~ m/\.png$/i) { + return 'image/png'; + } elsif ($filename =~ m/\.gif$/i) { + return 'image/gif'; + } elsif ($filename =~ m/\.jpe?g$/i) { + return 'image/jpeg'; + } else { + return 'application/octet-stream'; + } +} + +sub blob_contenttype { + my ($fd, $file_name, $type) = @_; + + $type ||= blob_mimetype($fd, $file_name); + if ($type eq 'text/plain' && defined $default_text_plain_charset) { + $type .= "; charset=$default_text_plain_charset"; + } + + return $type; +} + +## ====================================================================== +## functions printing HTML: header, footer, error page + +sub git_header_html { + my $status = shift || "200 OK"; + my $expires = shift; + + my $title = "$site_name"; + if (defined $project) { + $title .= " - " . to_utf8($project); + if (defined $action) { + $title .= "/$action"; + if (defined $file_name) { + $title .= " - " . esc_path($file_name); + if ($action eq "tree" && $file_name !~ m|/$|) { + $title .= "/"; + } + } + } + } + my $content_type; + # require explicit support from the UA if we are to send the page as + # 'application/xhtml+xml', otherwise send it as plain old 'text/html'. + # we have to do this because MSIE sometimes globs '*/*', pretending to + # support xhtml+xml but choking when it gets what it asked for. + if (defined $cgi->http('HTTP_ACCEPT') && + $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && + $cgi->Accept('application/xhtml+xml') != 0) { + $content_type = 'application/xhtml+xml'; + } else { + $content_type = 'text/html'; + } + print $cgi->header(-type=>$content_type, -charset => 'utf-8', + -status=> $status, -expires => $expires); + my $mod_perl_version = $ENV{'MOD_PERL'} ? " $ENV{'MOD_PERL'}" : ''; + print <<EOF; +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US"> +<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke --> +<!-- git core binaries version $git_version --> +<head> +<meta http-equiv="content-type" content="$content_type; charset=utf-8"/> +<meta name="generator" content="gitweb/$version git/$git_version$mod_perl_version"/> +<meta name="robots" content="index, nofollow"/> +<title>$title</title> +EOF + # the stylesheet, favicon etc urls won't work correctly with path_info + # unless we set the appropriate base URL + if ($ENV{'PATH_INFO'}) { + print "<base href=\"".esc_url($base_url)."\" />\n"; + } + # print out each stylesheet that exist, providing backwards capability + # for those people who defined $stylesheet in a config file + if (defined $stylesheet) { + print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n"; + } else { + foreach my $stylesheet (@stylesheets) { + next unless $stylesheet; + print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n"; + } + } + if (defined $project) { + my %href_params = get_feed_info(); + if (!exists $href_params{'-title'}) { + $href_params{'-title'} = 'log'; + } + + foreach my $format qw(RSS Atom) { + my $type = lc($format); + my %link_attr = ( + '-rel' => 'alternate', + '-title' => "$project - $href_params{'-title'} - $format feed", + '-type' => "application/$type+xml" + ); + + $href_params{'action'} = $type; + $link_attr{'-href'} = href(%href_params); + print "<link ". + "rel=\"$link_attr{'-rel'}\" ". + "title=\"$link_attr{'-title'}\" ". + "href=\"$link_attr{'-href'}\" ". + "type=\"$link_attr{'-type'}\" ". + "/>\n"; + + $href_params{'extra_options'} = '--no-merges'; + $link_attr{'-href'} = href(%href_params); + $link_attr{'-title'} .= ' (no merges)'; + print "<link ". + "rel=\"$link_attr{'-rel'}\" ". + "title=\"$link_attr{'-title'}\" ". + "href=\"$link_attr{'-href'}\" ". + "type=\"$link_attr{'-type'}\" ". + "/>\n"; + } + + } else { + printf('<link rel="alternate" title="%s projects list" '. + 'href="%s" type="text/plain; charset=utf-8" />'."\n", + $site_name, href(project=>undef, action=>"project_index")); + printf('<link rel="alternate" title="%s projects feeds" '. + 'href="%s" type="text/x-opml" />'."\n", + $site_name, href(project=>undef, action=>"opml")); + } + if (defined $favicon) { + print qq(<link rel="shortcut icon" href="$favicon" type="image/png" />\n); + } + + print "</head>\n" . + "<body>\n"; + + if (-f $site_header) { + insert_file($site_header); + } + + print "<div class=\"page_header\">\n" . + $cgi->a({-href => esc_url($logo_url), + -title => $logo_label}, + qq(<img src="$logo" width="72" height="27" alt="git" class="logo"/>)); + print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / "; + if (defined $project) { + print $cgi->a({-href => href(action=>"summary")}, esc_html($project)); + if (defined $action) { + print " / $action"; + } + print "\n"; + } + print "</div>\n"; + + my $have_search = gitweb_check_feature('search'); + if (defined $project && $have_search) { + if (!defined $searchtext) { + $searchtext = ""; + } + my $search_hash; + if (defined $hash_base) { + $search_hash = $hash_base; + } elsif (defined $hash) { + $search_hash = $hash; + } else { + $search_hash = "HEAD"; + } + my $action = $my_uri; + my $use_pathinfo = gitweb_check_feature('pathinfo'); + if ($use_pathinfo) { + $action .= "/".esc_url($project); + } + print $cgi->startform(-method => "get", -action => $action) . + "<div class=\"search\">\n" . + (!$use_pathinfo && + $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") . + $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" . + $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" . + $cgi->popup_menu(-name => 'st', -default => 'commit', + -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) . + $cgi->sup($cgi->a({-href => href(action=>"search_help")}, "?")) . + " search:\n", + $cgi->textfield(-name => "s", -value => $searchtext) . "\n" . + "<span title=\"Extended regular expression\">" . + $cgi->checkbox(-name => 'sr', -value => 1, -label => 're', + -checked => $search_use_regexp) . + "</span>" . + "</div>" . + $cgi->end_form() . "\n"; + } +} + +sub git_footer_html { + my $feed_class = 'rss_logo'; + + print "<div class=\"page_footer\">\n"; + if (defined $project) { + my $descr = git_get_project_description($project); + if (defined $descr) { + print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n"; + } + + my %href_params = get_feed_info(); + if (!%href_params) { + $feed_class .= ' generic'; + } + $href_params{'-title'} ||= 'log'; + + foreach my $format qw(RSS Atom) { + $href_params{'action'} = lc($format); + print $cgi->a({-href => href(%href_params), + -title => "$href_params{'-title'} $format feed", + -class => $feed_class}, $format)."\n"; + } + + } else { + print $cgi->a({-href => href(project=>undef, action=>"opml"), + -class => $feed_class}, "OPML") . " "; + print $cgi->a({-href => href(project=>undef, action=>"project_index"), + -class => $feed_class}, "TXT") . "\n"; + } + print "</div>\n"; # class="page_footer" + + if (defined $t0 && gitweb_check_feature('timed')) { + print "<div id=\"generating_info\">\n"; + print 'This page took '. + '<span id="generating_time" class="time_span">'. + Time::HiRes::tv_interval($t0, [Time::HiRes::gettimeofday()]). + ' seconds </span>'. + ' and '. + '<span id="generating_cmd">'. + $number_of_git_cmds. + '</span> git commands '. + " to generate.\n"; + print "</div>\n"; # class="page_footer" + } + + if (-f $site_footer) { + insert_file($site_footer); + } + + print qq!<script type="text/javascript" src="$javascript"></script>\n!; + if ($action eq 'blame_incremental') { + print qq!<script type="text/javascript">\n!. + qq!startBlame("!. href(action=>"blame_data", -replay=>1) .qq!",\n!. + qq! "!. href() .qq!");\n!. + qq!</script>\n!; + } elsif (gitweb_check_feature('javascript-actions')) { + print qq!<script type="text/javascript">\n!. + qq!window.onload = fixLinks;\n!. + qq!</script>\n!; + } + + print "</body>\n" . + "</html>"; +} + +# die_error(<http_status_code>, <error_message>) +# Example: die_error(404, 'Hash not found') +# By convention, use the following status codes (as defined in RFC 2616): +# 400: Invalid or missing CGI parameters, or +# requested object exists but has wrong type. +# 403: Requested feature (like "pickaxe" or "snapshot") not enabled on +# this server or project. +# 404: Requested object/revision/project doesn't exist. +# 500: The server isn't configured properly, or +# an internal error occurred (e.g. failed assertions caused by bugs), or +# an unknown error occurred (e.g. the git binary died unexpectedly). +sub die_error { + my $status = shift || 500; + my $error = shift || "Internal server error"; + + my %http_responses = (400 => '400 Bad Request', + 403 => '403 Forbidden', + 404 => '404 Not Found', + 500 => '500 Internal Server Error'); + git_header_html($http_responses{$status}); + print <<EOF; +<div class="page_body"> +<br /><br /> +$status - $error +<br /> +</div> +EOF + git_footer_html(); + exit; +} + +## ---------------------------------------------------------------------- +## functions printing or outputting HTML: navigation + +sub git_print_page_nav { + my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_; + $extra = '' if !defined $extra; # pager or formats + + my @navs = qw(summary shortlog log commit commitdiff tree); + if ($suppress) { + @navs = grep { $_ ne $suppress } @navs; + } + + my %arg = map { $_ => {action=>$_} } @navs; + if (defined $head) { + for (qw(commit commitdiff)) { + $arg{$_}{'hash'} = $head; + } + if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) { + for (qw(shortlog log)) { + $arg{$_}{'hash'} = $head; + } + } + } + + $arg{'tree'}{'hash'} = $treehead if defined $treehead; + $arg{'tree'}{'hash_base'} = $treebase if defined $treebase; + + my @actions = gitweb_get_feature('actions'); + my %repl = ( + '%' => '%', + 'n' => $project, # project name + 'f' => $git_dir, # project path within filesystem + 'h' => $treehead || '', # current hash ('h' parameter) + 'b' => $treebase || '', # hash base ('hb' parameter) + ); + while (@actions) { + my ($label, $link, $pos) = splice(@actions,0,3); + # insert + @navs = map { $_ eq $pos ? ($_, $label) : $_ } @navs; + # munch munch + $link =~ s/%([%nfhb])/$repl{$1}/g; + $arg{$label}{'_href'} = $link; + } + + print "<div class=\"page_nav\">\n" . + (join " | ", + map { $_ eq $current ? + $_ : $cgi->a({-href => ($arg{$_}{_href} ? $arg{$_}{_href} : href(%{$arg{$_}}))}, "$_") + } @navs); + print "<br/>\n$extra<br/>\n" . + "</div>\n"; +} + +sub format_paging_nav { + my ($action, $page, $has_next_link) = @_; + my $paging_nav; + + + if ($page > 0) { + $paging_nav .= + $cgi->a({-href => href(-replay=>1, page=>undef)}, "first") . + " ⋅ " . + $cgi->a({-href => href(-replay=>1, page=>$page-1), + -accesskey => "p", -title => "Alt-p"}, "prev"); + } else { + $paging_nav .= "first ⋅ prev"; + } + + if ($has_next_link) { + $paging_nav .= " ⋅ " . + $cgi->a({-href => href(-replay=>1, page=>$page+1), + -accesskey => "n", -title => "Alt-n"}, "next"); + } else { + $paging_nav .= " ⋅ next"; + } + + return $paging_nav; +} + +## ...................................................................... +## functions printing or outputting HTML: div + +sub git_print_header_div { + my ($action, $title, $hash, $hash_base) = @_; + my %args = (); + + $args{'action'} = $action; + $args{'hash'} = $hash if $hash; + $args{'hash_base'} = $hash_base if $hash_base; + + print "<div class=\"header\">\n" . + $cgi->a({-href => href(%args), -class => "title"}, + $title ? $title : $action) . + "\n</div>\n"; +} + +sub print_local_time { + my %date = @_; + if ($date{'hour_local'} < 6) { + printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", + $date{'hour_local'}, $date{'minute_local'}, $date{'tz_local'}); + } else { + printf(" (%02d:%02d %s)", + $date{'hour_local'}, $date{'minute_local'}, $date{'tz_local'}); + } +} + +# Outputs the author name and date in long form +sub git_print_authorship { + my $co = shift; + my %opts = @_; + my $tag = $opts{-tag} || 'div'; + my $author = $co->{'author_name'}; + + my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'}); + print "<$tag class=\"author_date\">" . + format_search_author($author, "author", esc_html($author)) . + " [$ad{'rfc2822'}"; + print_local_time(%ad) if ($opts{-localtime}); + print "]" . git_get_avatar($co->{'author_email'}, -pad_before => 1) + . "</$tag>\n"; +} + +# Outputs table rows containing the full author or committer information, +# in the format expected for 'commit' view (& similia). +# Parameters are a commit hash reference, followed by the list of people +# to output information for. If the list is empty it defalts to both +# author and committer. +sub git_print_authorship_rows { + my $co = shift; + # too bad we can't use @people = @_ || ('author', 'committer') + my @people = @_; + @people = ('author', 'committer') unless @people; + foreach my $who (@people) { + my %wd = parse_date($co->{"${who}_epoch"}, $co->{"${who}_tz"}); + print "<tr><td>$who</td><td>" . + format_search_author($co->{"${who}_name"}, $who, + esc_html($co->{"${who}_name"})) . " " . + format_search_author($co->{"${who}_email"}, $who, + esc_html("<" . $co->{"${who}_email"} . ">")) . + "</td><td rowspan=\"2\">" . + git_get_avatar($co->{"${who}_email"}, -size => 'double') . + "</td></tr>\n" . + "<tr>" . + "<td></td><td> $wd{'rfc2822'}"; + print_local_time(%wd); + print "</td>" . + "</tr>\n"; + } +} + +sub git_print_page_path { + my $name = shift; + my $type = shift; + my $hb = shift; + + + print "<div class=\"page_path\">"; + print $cgi->a({-href => href(action=>"tree", hash_base=>$hb), + -title => 'tree root'}, to_utf8("[$project]")); + print " / "; + if (defined $name) { + my @dirname = split '/', $name; + my $basename = pop @dirname; + my $fullname = ''; + + foreach my $dir (@dirname) { + $fullname .= ($fullname ? '/' : '') . $dir; + print $cgi->a({-href => href(action=>"tree", file_name=>$fullname, + hash_base=>$hb), + -title => $fullname}, esc_path($dir)); + print " / "; + } + if (defined $type && $type eq 'blob') { + print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name, + hash_base=>$hb), + -title => $name}, esc_path($basename)); + } elsif (defined $type && $type eq 'tree') { + print $cgi->a({-href => href(action=>"tree", file_name=>$file_name, + hash_base=>$hb), + -title => $name}, esc_path($basename)); + print " / "; + } else { + print esc_path($basename); + } + } + print "<br/></div>\n"; +} + +sub git_print_log { + my $log = shift; + my %opts = @_; + + if ($opts{'-remove_title'}) { + # remove title, i.e. first line of log + shift @$log; + } + # remove leading empty lines + while (defined $log->[0] && $log->[0] eq "") { + shift @$log; + } + + # print log + my $signoff = 0; + my $empty = 0; + foreach my $line (@$log) { + if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) { + $signoff = 1; + $empty = 0; + if (! $opts{'-remove_signoff'}) { + print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n"; + next; + } else { + # remove signoff lines + next; + } + } else { + $signoff = 0; + } + + # print only one empty line + # do not print empty line after signoff + if ($line eq "") { + next if ($empty || $signoff); + $empty = 1; + } else { + $empty = 0; + } + + print format_log_line_html($line) . "<br/>\n"; + } + + if ($opts{'-final_empty_line'}) { + # end with single empty line + print "<br/>\n" unless $empty; + } +} + +# return link target (what link points to) +sub git_get_link_target { + my $hash = shift; + my $link_target; + + # read link + open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash + or return; + { + local $/ = undef; + $link_target = <$fd>; + } + close $fd + or return; + + return $link_target; +} + +# given link target, and the directory (basedir) the link is in, +# return target of link relative to top directory (top tree); +# return undef if it is not possible (including absolute links). +sub normalize_link_target { + my ($link_target, $basedir) = @_; + + # absolute symlinks (beginning with '/') cannot be normalized + return if (substr($link_target, 0, 1) eq '/'); + + # normalize link target to path from top (root) tree (dir) + my $path; + if ($basedir) { + $path = $basedir . '/' . $link_target; + } else { + # we are in top (root) tree (dir) + $path = $link_target; + } + + # remove //, /./, and /../ + my @path_parts; + foreach my $part (split('/', $path)) { + # discard '.' and '' + next if (!$part || $part eq '.'); + # handle '..' + if ($part eq '..') { + if (@path_parts) { + pop @path_parts; + } else { + # link leads outside repository (outside top dir) + return; + } + } else { + push @path_parts, $part; + } + } + $path = join('/', @path_parts); + + return $path; +} + +# print tree entry (row of git_tree), but without encompassing <tr> element +sub git_print_tree_entry { + my ($t, $basedir, $hash_base, $have_blame) = @_; + + my %base_key = (); + $base_key{'hash_base'} = $hash_base if defined $hash_base; + + # The format of a table row is: mode list link. Where mode is + # the mode of the entry, list is the name of the entry, an href, + # and link is the action links of the entry. + + print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n"; + if (exists $t->{'size'}) { + print "<td class=\"size\">$t->{'size'}</td>\n"; + } + if ($t->{'type'} eq "blob") { + print "<td class=\"list\">" . + $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'}, + file_name=>"$basedir$t->{'name'}", %base_key), + -class => "list"}, esc_path($t->{'name'})); + if (S_ISLNK(oct $t->{'mode'})) { + my $link_target = git_get_link_target($t->{'hash'}); + if ($link_target) { + my $norm_target = normalize_link_target($link_target, $basedir); + if (defined $norm_target) { + print " -> " . + $cgi->a({-href => href(action=>"object", hash_base=>$hash_base, + file_name=>$norm_target), + -title => $norm_target}, esc_path($link_target)); + } else { + print " -> " . esc_path($link_target); + } + } + } + print "</td>\n"; + print "<td class=\"link\">"; + print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'}, + file_name=>"$basedir$t->{'name'}", %base_key)}, + "blob"); + if ($have_blame) { + print " | " . + $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'}, + file_name=>"$basedir$t->{'name'}", %base_key)}, + "blame"); + } + if (defined $hash_base) { + print " | " . + $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, + hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")}, + "history"); + } + print " | " . + $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base, + file_name=>"$basedir$t->{'name'}")}, + "raw"); + print "</td>\n"; + + } elsif ($t->{'type'} eq "tree") { + print "<td class=\"list\">"; + print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'}, + file_name=>"$basedir$t->{'name'}", + %base_key)}, + esc_path($t->{'name'})); + print "</td>\n"; + print "<td class=\"link\">"; + print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'}, + file_name=>"$basedir$t->{'name'}", + %base_key)}, + "tree"); + if (defined $hash_base) { + print " | " . + $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, + file_name=>"$basedir$t->{'name'}")}, + "history"); + } + print "</td>\n"; + } else { + # unknown object: we can only present history for it + # (this includes 'commit' object, i.e. submodule support) + print "<td class=\"list\">" . + esc_path($t->{'name'}) . + "</td>\n"; + print "<td class=\"link\">"; + if (defined $hash_base) { + print $cgi->a({-href => href(action=>"history", + hash_base=>$hash_base, + file_name=>"$basedir$t->{'name'}")}, + "history"); + } + print "</td>\n"; + } +} + +## ...................................................................... +## functions printing large fragments of HTML + +# get pre-image filenames for merge (combined) diff +sub fill_from_file_info { + my ($diff, @parents) = @_; + + $diff->{'from_file'} = [ ]; + $diff->{'from_file'}[$diff->{'nparents'} - 1] = undef; + for (my $i = 0; $i < $diff->{'nparents'}; $i++) { + if ($diff->{'status'}[$i] eq 'R' || + $diff->{'status'}[$i] eq 'C') { + $diff->{'from_file'}[$i] = + git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]); + } + } + + return $diff; +} + +# is current raw difftree line of file deletion +sub is_deleted { + my $diffinfo = shift; + + return $diffinfo->{'to_id'} eq ('0' x 40); +} + +# does patch correspond to [previous] difftree raw line +# $diffinfo - hashref of parsed raw diff format +# $patchinfo - hashref of parsed patch diff format +# (the same keys as in $diffinfo) +sub is_patch_split { + my ($diffinfo, $patchinfo) = @_; + + return defined $diffinfo && defined $patchinfo + && $diffinfo->{'to_file'} eq $patchinfo->{'to_file'}; +} + + +sub git_difftree_body { + my ($difftree, $hash, @parents) = @_; + my ($parent) = $parents[0]; + my $have_blame = gitweb_check_feature('blame'); + print "<div class=\"list_head\">\n"; + if ($#{$difftree} > 10) { + print(($#{$difftree} + 1) . " files changed:\n"); + } + print "</div>\n"; + + print "<table class=\"" . + (@parents > 1 ? "combined " : "") . + "diff_tree\">\n"; + + # header only for combined diff in 'commitdiff' view + my $has_header = @$difftree && @parents > 1 && $action eq 'commitdiff'; + if ($has_header) { + # table header + print "<thead><tr>\n" . + "<th></th><th></th>\n"; # filename, patchN link + for (my $i = 0; $i < @parents; $i++) { + my $par = $parents[$i]; + print "<th>" . + $cgi->a({-href => href(action=>"commitdiff", + hash=>$hash, hash_parent=>$par), + -title => 'commitdiff to parent number ' . + ($i+1) . ': ' . substr($par,0,7)}, + $i+1) . + " </th>\n"; + } + print "</tr></thead>\n<tbody>\n"; + } + + my $alternate = 1; + my $patchno = 0; + foreach my $line (@{$difftree}) { + my $diff = parsed_difftree_line($line); + + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + + if (exists $diff->{'nparents'}) { # combined diff + + fill_from_file_info($diff, @parents) + unless exists $diff->{'from_file'}; + + if (!is_deleted($diff)) { + # file exists in the result (child) commit + print "<td>" . + $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, + file_name=>$diff->{'to_file'}, + hash_base=>$hash), + -class => "list"}, esc_path($diff->{'to_file'})) . + "</td>\n"; + } else { + print "<td>" . + esc_path($diff->{'to_file'}) . + "</td>\n"; + } + + if ($action eq 'commitdiff') { + # link to patch + $patchno++; + print "<td class=\"link\">" . + $cgi->a({-href => "#patch$patchno"}, "patch") . + " | " . + "</td>\n"; + } + + my $has_history = 0; + my $not_deleted = 0; + for (my $i = 0; $i < $diff->{'nparents'}; $i++) { + my $hash_parent = $parents[$i]; + my $from_hash = $diff->{'from_id'}[$i]; + my $from_path = $diff->{'from_file'}[$i]; + my $status = $diff->{'status'}[$i]; + + $has_history ||= ($status ne 'A'); + $not_deleted ||= ($status ne 'D'); + + if ($status eq 'A') { + print "<td class=\"link\" align=\"right\"> | </td>\n"; + } elsif ($status eq 'D') { + print "<td class=\"link\">" . + $cgi->a({-href => href(action=>"blob", + hash_base=>$hash, + hash=>$from_hash, + file_name=>$from_path)}, + "blob" . ($i+1)) . + " | </td>\n"; + } else { + if ($diff->{'to_id'} eq $from_hash) { + print "<td class=\"link nochange\">"; + } else { + print "<td class=\"link\">"; + } + print $cgi->a({-href => href(action=>"blobdiff", + hash=>$diff->{'to_id'}, + hash_parent=>$from_hash, + hash_base=>$hash, + hash_parent_base=>$hash_parent, + file_name=>$diff->{'to_file'}, + file_parent=>$from_path)}, + "diff" . ($i+1)) . + " | </td>\n"; + } + } + + print "<td class=\"link\">"; + if ($not_deleted) { + print $cgi->a({-href => href(action=>"blob", + hash=>$diff->{'to_id'}, + file_name=>$diff->{'to_file'}, + hash_base=>$hash)}, + "blob"); + print " | " if ($has_history); + } + if ($has_history) { + print $cgi->a({-href => href(action=>"history", + file_name=>$diff->{'to_file'}, + hash_base=>$hash)}, + "history"); + } + print "</td>\n"; + + print "</tr>\n"; + next; # instead of 'else' clause, to avoid extra indent + } + # else ordinary diff + + my ($to_mode_oct, $to_mode_str, $to_file_type); + my ($from_mode_oct, $from_mode_str, $from_file_type); + if ($diff->{'to_mode'} ne ('0' x 6)) { + $to_mode_oct = oct $diff->{'to_mode'}; + if (S_ISREG($to_mode_oct)) { # only for regular file + $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits + } + $to_file_type = file_type($diff->{'to_mode'}); + } + if ($diff->{'from_mode'} ne ('0' x 6)) { + $from_mode_oct = oct $diff->{'from_mode'}; + if (S_ISREG($to_mode_oct)) { # only for regular file + $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits + } + $from_file_type = file_type($diff->{'from_mode'}); + } + + if ($diff->{'status'} eq "A") { # created + my $mode_chng = "<span class=\"file_status new\">[new $to_file_type"; + $mode_chng .= " with mode: $to_mode_str" if $to_mode_str; + $mode_chng .= "]</span>"; + print "<td>"; + print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, + hash_base=>$hash, file_name=>$diff->{'file'}), + -class => "list"}, esc_path($diff->{'file'})); + print "</td>\n"; + print "<td>$mode_chng</td>\n"; + print "<td class=\"link\">"; + if ($action eq 'commitdiff') { + # link to patch + $patchno++; + print $cgi->a({-href => "#patch$patchno"}, "patch"); + print " | "; + } + print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, + hash_base=>$hash, file_name=>$diff->{'file'})}, + "blob"); + print "</td>\n"; + + } elsif ($diff->{'status'} eq "D") { # deleted + my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>"; + print "<td>"; + print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'}, + hash_base=>$parent, file_name=>$diff->{'file'}), + -class => "list"}, esc_path($diff->{'file'})); + print "</td>\n"; + print "<td>$mode_chng</td>\n"; + print "<td class=\"link\">"; + if ($action eq 'commitdiff') { + # link to patch + $patchno++; + print $cgi->a({-href => "#patch$patchno"}, "patch"); + print " | "; + } + print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'}, + hash_base=>$parent, file_name=>$diff->{'file'})}, + "blob") . " | "; + if ($have_blame) { + print $cgi->a({-href => href(action=>"blame", hash_base=>$parent, + file_name=>$diff->{'file'})}, + "blame") . " | "; + } + print $cgi->a({-href => href(action=>"history", hash_base=>$parent, + file_name=>$diff->{'file'})}, + "history"); + print "</td>\n"; + + } elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed + my $mode_chnge = ""; + if ($diff->{'from_mode'} != $diff->{'to_mode'}) { + $mode_chnge = "<span class=\"file_status mode_chnge\">[changed"; + if ($from_file_type ne $to_file_type) { + $mode_chnge .= " from $from_file_type to $to_file_type"; + } + if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) { + if ($from_mode_str && $to_mode_str) { + $mode_chnge .= " mode: $from_mode_str->$to_mode_str"; + } elsif ($to_mode_str) { + $mode_chnge .= " mode: $to_mode_str"; + } + } + $mode_chnge .= "]</span>\n"; + } + print "<td>"; + print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, + hash_base=>$hash, file_name=>$diff->{'file'}), + -class => "list"}, esc_path($diff->{'file'})); + print "</td>\n"; + print "<td>$mode_chnge</td>\n"; + print "<td class=\"link\">"; + if ($action eq 'commitdiff') { + # link to patch + $patchno++; + print $cgi->a({-href => "#patch$patchno"}, "patch") . + " | "; + } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) { + # "commit" view and modified file (not onlu mode changed) + print $cgi->a({-href => href(action=>"blobdiff", + hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'}, + hash_base=>$hash, hash_parent_base=>$parent, + file_name=>$diff->{'file'})}, + "diff") . + " | "; + } + print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, + hash_base=>$hash, file_name=>$diff->{'file'})}, + "blob") . " | "; + if ($have_blame) { + print $cgi->a({-href => href(action=>"blame", hash_base=>$hash, + file_name=>$diff->{'file'})}, + "blame") . " | "; + } + print $cgi->a({-href => href(action=>"history", hash_base=>$hash, + file_name=>$diff->{'file'})}, + "history"); + print "</td>\n"; + + } elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied + my %status_name = ('R' => 'moved', 'C' => 'copied'); + my $nstatus = $status_name{$diff->{'status'}}; + my $mode_chng = ""; + if ($diff->{'from_mode'} != $diff->{'to_mode'}) { + # mode also for directories, so we cannot use $to_mode_str + $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777); + } + print "<td>" . + $cgi->a({-href => href(action=>"blob", hash_base=>$hash, + hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}), + -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" . + "<td><span class=\"file_status $nstatus\">[$nstatus from " . + $cgi->a({-href => href(action=>"blob", hash_base=>$parent, + hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}), + -class => "list"}, esc_path($diff->{'from_file'})) . + " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" . + "<td class=\"link\">"; + if ($action eq 'commitdiff') { + # link to patch + $patchno++; + print $cgi->a({-href => "#patch$patchno"}, "patch") . + " | "; + } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) { + # "commit" view and modified file (not only pure rename or copy) + print $cgi->a({-href => href(action=>"blobdiff", + hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'}, + hash_base=>$hash, hash_parent_base=>$parent, + file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})}, + "diff") . + " | "; + } + print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'}, + hash_base=>$parent, file_name=>$diff->{'to_file'})}, + "blob") . " | "; + if ($have_blame) { + print $cgi->a({-href => href(action=>"blame", hash_base=>$hash, + file_name=>$diff->{'to_file'})}, + "blame") . " | "; + } + print $cgi->a({-href => href(action=>"history", hash_base=>$hash, + file_name=>$diff->{'to_file'})}, + "history"); + print "</td>\n"; + + } # we should not encounter Unmerged (U) or Unknown (X) status + print "</tr>\n"; + } + print "</tbody>" if $has_header; + print "</table>\n"; +} + +sub git_patchset_body { + my ($fd, $difftree, $hash, @hash_parents) = @_; + my ($hash_parent) = $hash_parents[0]; + + my $is_combined = (@hash_parents > 1); + my $patch_idx = 0; + my $patch_number = 0; + my $patch_line; + my $diffinfo; + my $to_name; + my (%from, %to); + + print "<div class=\"patchset\">\n"; + + # skip to first patch + while ($patch_line = <$fd>) { + chomp $patch_line; + + last if ($patch_line =~ m/^diff /); + } + + PATCH: + while ($patch_line) { + + # parse "git diff" header line + if ($patch_line =~ m/^diff --git (\"(?:[^\\\"]*(?:\\.[^\\\"]*)*)\"|[^ "]*) (.*)$/) { + # $1 is from_name, which we do not use + $to_name = unquote($2); + $to_name =~ s!^b/!!; + } elsif ($patch_line =~ m/^diff --(cc|combined) ("?.*"?)$/) { + # $1 is 'cc' or 'combined', which we do not use + $to_name = unquote($2); + } else { + $to_name = undef; + } + + # check if current patch belong to current raw line + # and parse raw git-diff line if needed + if (is_patch_split($diffinfo, { 'to_file' => $to_name })) { + # this is continuation of a split patch + print "<div class=\"patch cont\">\n"; + } else { + # advance raw git-diff output if needed + $patch_idx++ if defined $diffinfo; + + # read and prepare patch information + $diffinfo = parsed_difftree_line($difftree->[$patch_idx]); + + # compact combined diff output can have some patches skipped + # find which patch (using pathname of result) we are at now; + if ($is_combined) { + while ($to_name ne $diffinfo->{'to_file'}) { + print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" . + format_diff_cc_simplified($diffinfo, @hash_parents) . + "</div>\n"; # class="patch" + + $patch_idx++; + $patch_number++; + + last if $patch_idx > $#$difftree; + $diffinfo = parsed_difftree_line($difftree->[$patch_idx]); + } + } + + # modifies %from, %to hashes + parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents); + + # this is first patch for raw difftree line with $patch_idx index + # we index @$difftree array from 0, but number patches from 1 + print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n"; + } + + # git diff header + #assert($patch_line =~ m/^diff /) if DEBUG; + #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed + $patch_number++; + # print "git diff" header + print format_git_diff_header_line($patch_line, $diffinfo, + \%from, \%to); + + # print extended diff header + print "<div class=\"diff extended_header\">\n"; + EXTENDED_HEADER: + while ($patch_line = <$fd>) { + chomp $patch_line; + + last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /); + + print format_extended_diff_header_line($patch_line, $diffinfo, + \%from, \%to); + } + print "</div>\n"; # class="diff extended_header" + + # from-file/to-file diff header + if (! $patch_line) { + print "</div>\n"; # class="patch" + last PATCH; + } + next PATCH if ($patch_line =~ m/^diff /); + #assert($patch_line =~ m/^---/) if DEBUG; + + my $last_patch_line = $patch_line; + $patch_line = <$fd>; + chomp $patch_line; + #assert($patch_line =~ m/^\+\+\+/) if DEBUG; + + print format_diff_from_to_header($last_patch_line, $patch_line, + $diffinfo, \%from, \%to, + @hash_parents); + + # the patch itself + LINE: + while ($patch_line = <$fd>) { + chomp $patch_line; + + next PATCH if ($patch_line =~ m/^diff /); + + print format_diff_line($patch_line, \%from, \%to); + } + + } continue { + print "</div>\n"; # class="patch" + } + + # for compact combined (--cc) format, with chunk and patch simpliciaction + # patchset might be empty, but there might be unprocessed raw lines + for (++$patch_idx if $patch_number > 0; + $patch_idx < @$difftree; + ++$patch_idx) { + # read and prepare patch information + $diffinfo = parsed_difftree_line($difftree->[$patch_idx]); + + # generate anchor for "patch" links in difftree / whatchanged part + print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" . + format_diff_cc_simplified($diffinfo, @hash_parents) . + "</div>\n"; # class="patch" + + $patch_number++; + } + + if ($patch_number == 0) { + if (@hash_parents > 1) { + print "<div class=\"diff nodifferences\">Trivial merge</div>\n"; + } else { + print "<div class=\"diff nodifferences\">No differences found</div>\n"; + } + } + + print "</div>\n"; # class="patchset" +} + +# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + +# fills project list info (age, description, owner, forks) for each +# project in the list, removing invalid projects from returned list +# NOTE: modifies $projlist, but does not remove entries from it +sub fill_project_list_info { + my ($projlist, $check_forks) = @_; + my @projects; + + my $show_ctags = gitweb_check_feature('ctags'); + PROJECT: + foreach my $pr (@$projlist) { + my (@activity) = git_get_last_activity($pr->{'path'}); + unless (@activity) { + next PROJECT; + } + ($pr->{'age'}, $pr->{'age_string'}) = @activity; + if (!defined $pr->{'descr'}) { + my $descr = git_get_project_description($pr->{'path'}) || ""; + $descr = to_utf8($descr); + $pr->{'descr_long'} = $descr; + $pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5); + } + if (!defined $pr->{'owner'}) { + $pr->{'owner'} = git_get_project_owner("$pr->{'path'}") || ""; + } + if ($check_forks) { + my $pname = $pr->{'path'}; + if (($pname =~ s/\.git$//) && + ($pname !~ /\/$/) && + (-d "$projectroot/$pname")) { + $pr->{'forks'} = "-d $projectroot/$pname"; + } else { + $pr->{'forks'} = 0; + } + } + $show_ctags and $pr->{'ctags'} = git_get_project_ctags($pr->{'path'}); + push @projects, $pr; + } + + return @projects; +} + +# print 'sort by' <th> element, generating 'sort by $name' replay link +# if that order is not selected +sub print_sort_th { + my ($name, $order, $header) = @_; + $header ||= ucfirst($name); + + if ($order eq $name) { + print "<th>$header</th>\n"; + } else { + print "<th>" . + $cgi->a({-href => href(-replay=>1, order=>$name), + -class => "header"}, $header) . + "</th>\n"; + } +} + +sub git_project_list_body { + # actually uses global variable $project + my ($projlist, $order, $from, $to, $extra, $no_header) = @_; + + my $check_forks = gitweb_check_feature('forks'); + my @projects = fill_project_list_info($projlist, $check_forks); + + $order ||= $default_projects_order; + $from = 0 unless defined $from; + $to = $#projects if (!defined $to || $#projects < $to); + + my %order_info = ( + project => { key => 'path', type => 'str' }, + descr => { key => 'descr_long', type => 'str' }, + owner => { key => 'owner', type => 'str' }, + age => { key => 'age', type => 'num' } + ); + my $oi = $order_info{$order}; + if ($oi->{'type'} eq 'str') { + @projects = sort {$a->{$oi->{'key'}} cmp $b->{$oi->{'key'}}} @projects; + } else { + @projects = sort {$a->{$oi->{'key'}} <=> $b->{$oi->{'key'}}} @projects; + } + + my $show_ctags = gitweb_check_feature('ctags'); + if ($show_ctags) { + my %ctags; + foreach my $p (@projects) { + foreach my $ct (keys %{$p->{'ctags'}}) { + $ctags{$ct} += $p->{'ctags'}->{$ct}; + } + } + my $cloud = git_populate_project_tagcloud(\%ctags); + print git_show_project_tagcloud($cloud, 64); + } + + print "<table class=\"project_list\">\n"; + unless ($no_header) { + print "<tr>\n"; + if ($check_forks) { + print "<th></th>\n"; + } + print_sort_th('project', $order, 'Project'); + print_sort_th('descr', $order, 'Description'); + print_sort_th('owner', $order, 'Owner'); + print_sort_th('age', $order, 'Last Change'); + print "<th></th>\n" . # for links + "</tr>\n"; + } + my $alternate = 1; + my $tagfilter = $cgi->param('by_tag'); + for (my $i = $from; $i <= $to; $i++) { + my $pr = $projects[$i]; + + next if $tagfilter and $show_ctags and not grep { lc $_ eq lc $tagfilter } keys %{$pr->{'ctags'}}; + next if $searchtext and not $pr->{'path'} =~ /$searchtext/ + and not $pr->{'descr_long'} =~ /$searchtext/; + # Weed out forks or non-matching entries of search + if ($check_forks) { + my $forkbase = $project; $forkbase ||= ''; $forkbase =~ s#\.git$#/#; + $forkbase="^$forkbase" if $forkbase; + next if not $searchtext and not $tagfilter and $show_ctags + and $pr->{'path'} =~ m#$forkbase.*/.*#; # regexp-safe + } + + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + if ($check_forks) { + print "<td>"; + if ($pr->{'forks'}) { + print "<!-- $pr->{'forks'} -->\n"; + print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "+"); + } + print "</td>\n"; + } + print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"), + -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" . + "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"), + -class => "list", -title => $pr->{'descr_long'}}, + esc_html($pr->{'descr'})) . "</td>\n" . + "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n"; + print "<td class=\"". age_class($pr->{'age'}) . "\">" . + (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " . + $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " . + $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " . + $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") . + ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') . + "</td>\n" . + "</tr>\n"; + } + if (defined $extra) { + print "<tr>\n"; + if ($check_forks) { + print "<td></td>\n"; + } + print "<td colspan=\"5\">$extra</td>\n" . + "</tr>\n"; + } + print "</table>\n"; +} + +sub git_log_body { + # uses global variable $project + my ($commitlist, $from, $to, $refs, $extra) = @_; + + $from = 0 unless defined $from; + $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to); + + for (my $i = 0; $i <= $to; $i++) { + my %co = %{$commitlist->[$i]}; + next if !%co; + my $commit = $co{'id'}; + my $ref = format_ref_marker($refs, $commit); + my %ad = parse_date($co{'author_epoch'}); + git_print_header_div('commit', + "<span class=\"age\">$co{'age_string'}</span>" . + esc_html($co{'title'}) . $ref, + $commit); + print "<div class=\"title_text\">\n" . + "<div class=\"log_link\">\n" . + $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . + " | " . + $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . + " | " . + $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") . + "<br/>\n" . + "</div>\n"; + git_print_authorship(\%co, -tag => 'span'); + print "<br/>\n</div>\n"; + + print "<div class=\"log_body\">\n"; + git_print_log($co{'comment'}, -final_empty_line=> 1); + print "</div>\n"; + } + if ($extra) { + print "<div class=\"page_nav\">\n"; + print "$extra\n"; + print "</div>\n"; + } +} + +sub git_shortlog_body { + # uses global variable $project + my ($commitlist, $from, $to, $refs, $extra) = @_; + + $from = 0 unless defined $from; + $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to); + + print "<table class=\"shortlog\">\n"; + my $alternate = 1; + for (my $i = $from; $i <= $to; $i++) { + my %co = %{$commitlist->[$i]}; + my $commit = $co{'id'}; + my $ref = format_ref_marker($refs, $commit); + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" . + print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . + format_author_html('td', \%co, 10) . "<td>"; + print format_subject_html($co{'title'}, $co{'title_short'}, + href(action=>"commit", hash=>$commit), $ref); + print "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " . + $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " . + $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree"); + my $snapshot_links = format_snapshot_links($commit); + if (defined $snapshot_links) { + print " | " . $snapshot_links; + } + print "</td>\n" . + "</tr>\n"; + } + if (defined $extra) { + print "<tr>\n" . + "<td colspan=\"4\">$extra</td>\n" . + "</tr>\n"; + } + print "</table>\n"; +} + +sub git_history_body { + # Warning: assumes constant type (blob or tree) during history + my ($commitlist, $from, $to, $refs, $extra, + $file_name, $file_hash, $ftype) = @_; + + $from = 0 unless defined $from; + $to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist}); + + print "<table class=\"history\">\n"; + my $alternate = 1; + for (my $i = $from; $i <= $to; $i++) { + my %co = %{$commitlist->[$i]}; + if (!%co) { + next; + } + my $commit = $co{'id'}; + + my $ref = format_ref_marker($refs, $commit); + + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . + # shortlog: format_author_html('td', \%co, 10) + format_author_html('td', \%co, 15, 3) . "<td>"; + # originally git_history used chop_str($co{'title'}, 50) + print format_subject_html($co{'title'}, $co{'title_short'}, + href(action=>"commit", hash=>$commit), $ref); + print "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " . + $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff"); + + if ($ftype eq 'blob') { + my $blob_current = $file_hash; + my $blob_parent = git_get_hash_by_path($commit, $file_name); + if (defined $blob_current && defined $blob_parent && + $blob_current ne $blob_parent) { + print " | " . + $cgi->a({-href => href(action=>"blobdiff", + hash=>$blob_current, hash_parent=>$blob_parent, + hash_base=>$hash_base, hash_parent_base=>$commit, + file_name=>$file_name)}, + "diff to current"); + } + } + print "</td>\n" . + "</tr>\n"; + } + if (defined $extra) { + print "<tr>\n" . + "<td colspan=\"4\">$extra</td>\n" . + "</tr>\n"; + } + print "</table>\n"; +} + +sub git_tags_body { + # uses global variable $project + my ($taglist, $from, $to, $extra) = @_; + $from = 0 unless defined $from; + $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to); + + print "<table class=\"tags\">\n"; + my $alternate = 1; + for (my $i = $from; $i <= $to; $i++) { + my $entry = $taglist->[$i]; + my %tag = %$entry; + my $comment = $tag{'subject'}; + my $comment_short; + if (defined $comment) { + $comment_short = chop_str($comment, 30, 5); + } + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + if (defined $tag{'age'}) { + print "<td><i>$tag{'age'}</i></td>\n"; + } else { + print "<td></td>\n"; + } + print "<td>" . + $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}), + -class => "list name"}, esc_html($tag{'name'})) . + "</td>\n" . + "<td>"; + if (defined $comment) { + print format_subject_html($comment, $comment_short, + href(action=>"tag", hash=>$tag{'id'})); + } + print "</td>\n" . + "<td class=\"selflink\">"; + if ($tag{'type'} eq "tag") { + print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag"); + } else { + print " "; + } + print "</td>\n" . + "<td class=\"link\">" . " | " . + $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'}); + if ($tag{'reftype'} eq "commit") { + print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'fullname'})}, "shortlog") . + " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'fullname'})}, "log"); + } elsif ($tag{'reftype'} eq "blob") { + print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw"); + } + print "</td>\n" . + "</tr>"; + } + if (defined $extra) { + print "<tr>\n" . + "<td colspan=\"5\">$extra</td>\n" . + "</tr>\n"; + } + print "</table>\n"; +} + +sub git_heads_body { + # uses global variable $project + my ($headlist, $head, $from, $to, $extra) = @_; + $from = 0 unless defined $from; + $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to); + + print "<table class=\"heads\">\n"; + my $alternate = 1; + for (my $i = $from; $i <= $to; $i++) { + my $entry = $headlist->[$i]; + my %ref = %$entry; + my $curr = $ref{'id'} eq $head; + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + print "<td><i>$ref{'age'}</i></td>\n" . + ($curr ? "<td class=\"current_head\">" : "<td>") . + $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'}), + -class => "list name"},esc_html($ref{'name'})) . + "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'})}, "shortlog") . " | " . + $cgi->a({-href => href(action=>"log", hash=>$ref{'fullname'})}, "log") . " | " . + $cgi->a({-href => href(action=>"tree", hash=>$ref{'fullname'}, hash_base=>$ref{'name'})}, "tree") . + "</td>\n" . + "</tr>"; + } + if (defined $extra) { + print "<tr>\n" . + "<td colspan=\"3\">$extra</td>\n" . + "</tr>\n"; + } + print "</table>\n"; +} + +sub git_search_grep_body { + my ($commitlist, $from, $to, $extra) = @_; + $from = 0 unless defined $from; + $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to); + + print "<table class=\"commit_search\">\n"; + my $alternate = 1; + for (my $i = $from; $i <= $to; $i++) { + my %co = %{$commitlist->[$i]}; + if (!%co) { + next; + } + my $commit = $co{'id'}; + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . + format_author_html('td', \%co, 15, 5) . + "<td>" . + $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), + -class => "list subject"}, + chop_and_escape_str($co{'title'}, 50) . "<br/>"); + my $comment = $co{'comment'}; + foreach my $line (@$comment) { + if ($line =~ m/^(.*?)($search_regexp)(.*)$/i) { + my ($lead, $match, $trail) = ($1, $2, $3); + $match = chop_str($match, 70, 5, 'center'); + my $contextlen = int((80 - length($match))/2); + $contextlen = 30 if ($contextlen > 30); + $lead = chop_str($lead, $contextlen, 10, 'left'); + $trail = chop_str($trail, $contextlen, 10, 'right'); + + $lead = esc_html($lead); + $match = esc_html($match); + $trail = esc_html($trail); + + print "$lead<span class=\"match\">$match</span>$trail<br />"; + } + } + print "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") . + " | " . + $cgi->a({-href => href(action=>"commitdiff", hash=>$co{'id'})}, "commitdiff") . + " | " . + $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree"); + print "</td>\n" . + "</tr>\n"; + } + if (defined $extra) { + print "<tr>\n" . + "<td colspan=\"3\">$extra</td>\n" . + "</tr>\n"; + } + print "</table>\n"; +} + +## ====================================================================== +## ====================================================================== +## actions + +sub git_project_list { + my $order = $input_params{'order'}; + if (defined $order && $order !~ m/none|project|descr|owner|age/) { + die_error(400, "Unknown order parameter"); + } + + my @list = git_get_projects_list(); + if (!@list) { + die_error(404, "No projects found"); + } + + git_header_html(); + if (-f $home_text) { + print "<div class=\"index_include\">\n"; + insert_file($home_text); + print "</div>\n"; + } + print $cgi->startform(-method => "get") . + "<p class=\"projsearch\">Search:\n" . + $cgi->textfield(-name => "s", -value => $searchtext) . "\n" . + "</p>" . + $cgi->end_form() . "\n"; + git_project_list_body(\@list, $order); + git_footer_html(); +} + +sub git_forks { + my $order = $input_params{'order'}; + if (defined $order && $order !~ m/none|project|descr|owner|age/) { + die_error(400, "Unknown order parameter"); + } + + my @list = git_get_projects_list($project); + if (!@list) { + die_error(404, "No forks found"); + } + + git_header_html(); + git_print_page_nav('',''); + git_print_header_div('summary', "$project forks"); + git_project_list_body(\@list, $order); + git_footer_html(); +} + +sub git_project_index { + my @projects = git_get_projects_list($project); + + print $cgi->header( + -type => 'text/plain', + -charset => 'utf-8', + -content_disposition => 'inline; filename="index.aux"'); + + foreach my $pr (@projects) { + if (!exists $pr->{'owner'}) { + $pr->{'owner'} = git_get_project_owner("$pr->{'path'}"); + } + + my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'}); + # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' ' + $path =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg; + $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg; + $path =~ s/ /\+/g; + $owner =~ s/ /\+/g; + + print "$path $owner\n"; + } +} + +sub git_summary { + my $descr = git_get_project_description($project) || "none"; + my %co = parse_commit("HEAD"); + my %cd = %co ? parse_date($co{'committer_epoch'}, $co{'committer_tz'}) : (); + my $head = $co{'id'}; + + my $owner = git_get_project_owner($project); + + my $refs = git_get_references(); + # These get_*_list functions return one more to allow us to see if + # there are more ... + my @taglist = git_get_tags_list(16); + my @headlist = git_get_heads_list(16); + my @forklist; + my $check_forks = gitweb_check_feature('forks'); + + if ($check_forks) { + @forklist = git_get_projects_list($project); + } + + git_header_html(); + git_print_page_nav('summary','', $head); + + print "<div class=\"title\"> </div>\n"; + print "<table class=\"projects_list\">\n" . + "<tr id=\"metadata_desc\"><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" . + "<tr id=\"metadata_owner\"><td>owner</td><td>" . esc_html($owner) . "</td></tr>\n"; + if (defined $cd{'rfc2822'}) { + print "<tr id=\"metadata_lchange\"><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n"; + } + + # use per project git URL list in $projectroot/$project/cloneurl + # or make project git URL from git base URL and project name + my $url_tag = "URL"; + my @url_list = git_get_project_url_list($project); + @url_list = map { "$_/$project" } @git_base_url_list unless @url_list; + foreach my $git_url (@url_list) { + next unless $git_url; + print "<tr class=\"metadata_url\"><td>$url_tag</td><td>$git_url</td></tr>\n"; + $url_tag = ""; + } + + # Tag cloud + my $show_ctags = gitweb_check_feature('ctags'); + if ($show_ctags) { + my $ctags = git_get_project_ctags($project); + my $cloud = git_populate_project_tagcloud($ctags); + print "<tr id=\"metadata_ctags\"><td>Content tags:<br />"; + print "</td>\n<td>" unless %$ctags; + print "<form action=\"$show_ctags\" method=\"post\"><input type=\"hidden\" name=\"p\" value=\"$project\" />Add: <input type=\"text\" name=\"t\" size=\"8\" /></form>"; + print "</td>\n<td>" if %$ctags; + print git_show_project_tagcloud($cloud, 48); + print "</td></tr>"; + } + + print "</table>\n"; + + # If XSS prevention is on, we don't include README.html. + # TODO: Allow a readme in some safe format. + if (!$prevent_xss && -s "$projectroot/$project/README.html") { + print "<div class=\"title\">readme</div>\n" . + "<div class=\"readme\">\n"; + insert_file("$projectroot/$project/README.html"); + print "\n</div>\n"; # class="readme" + } + + # we need to request one more than 16 (0..15) to check if + # those 16 are all + my @commitlist = $head ? parse_commits($head, 17) : (); + if (@commitlist) { + git_print_header_div('shortlog'); + git_shortlog_body(\@commitlist, 0, 15, $refs, + $#commitlist <= 15 ? undef : + $cgi->a({-href => href(action=>"shortlog")}, "...")); + } + + if (@taglist) { + git_print_header_div('tags'); + git_tags_body(\@taglist, 0, 15, + $#taglist <= 15 ? undef : + $cgi->a({-href => href(action=>"tags")}, "...")); + } + + if (@headlist) { + git_print_header_div('heads'); + git_heads_body(\@headlist, $head, 0, 15, + $#headlist <= 15 ? undef : + $cgi->a({-href => href(action=>"heads")}, "...")); + } + + if (@forklist) { + git_print_header_div('forks'); + git_project_list_body(\@forklist, 'age', 0, 15, + $#forklist <= 15 ? undef : + $cgi->a({-href => href(action=>"forks")}, "..."), + 'no_header'); + } + + git_footer_html(); +} + +sub git_tag { + my $head = git_get_head_hash($project); + git_header_html(); + git_print_page_nav('','', $head,undef,$head); + my %tag = parse_tag($hash); + + if (! %tag) { + die_error(404, "Unknown tag object"); + } + + git_print_header_div('commit', esc_html($tag{'name'}), $hash); + print "<div class=\"title_text\">\n" . + "<table class=\"object_header\">\n" . + "<tr>\n" . + "<td>object</td>\n" . + "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})}, + $tag{'object'}) . "</td>\n" . + "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})}, + $tag{'type'}) . "</td>\n" . + "</tr>\n"; + if (defined($tag{'author'})) { + git_print_authorship_rows(\%tag, 'author'); + } + print "</table>\n\n" . + "</div>\n"; + print "<div class=\"page_body\">"; + my $comment = $tag{'comment'}; + foreach my $line (@$comment) { + chomp $line; + print esc_html($line, -nbsp=>1) . "<br/>\n"; + } + print "</div>\n"; + git_footer_html(); +} + +sub git_blame_common { + my $format = shift || 'porcelain'; + if ($format eq 'porcelain' && $cgi->param('js')) { + $format = 'incremental'; + $action = 'blame_incremental'; # for page title etc + } + + # permissions + gitweb_check_feature('blame') + or die_error(403, "Blame view not allowed"); + + # error checking + die_error(400, "No file name given") unless $file_name; + $hash_base ||= git_get_head_hash($project); + die_error(404, "Couldn't find base commit") unless $hash_base; + my %co = parse_commit($hash_base) + or die_error(404, "Commit not found"); + my $ftype = "blob"; + if (!defined $hash) { + $hash = git_get_hash_by_path($hash_base, $file_name, "blob") + or die_error(404, "Error looking up file"); + } else { + $ftype = git_get_type($hash); + if ($ftype !~ "blob") { + die_error(400, "Object is not a blob"); + } + } + + my $fd; + if ($format eq 'incremental') { + # get file contents (as base) + open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash + or die_error(500, "Open git-cat-file failed"); + } elsif ($format eq 'data') { + # run git-blame --incremental + open $fd, "-|", git_cmd(), "blame", "--incremental", + $hash_base, "--", $file_name + or die_error(500, "Open git-blame --incremental failed"); + } else { + # run git-blame --porcelain + open $fd, "-|", git_cmd(), "blame", '-p', + $hash_base, '--', $file_name + or die_error(500, "Open git-blame --porcelain failed"); + } + + # incremental blame data returns early + if ($format eq 'data') { + print $cgi->header( + -type=>"text/plain", -charset => "utf-8", + -status=> "200 OK"); + local $| = 1; # output autoflush + print while <$fd>; + close $fd + or print "ERROR $!\n"; + + print 'END'; + if (defined $t0 && gitweb_check_feature('timed')) { + print ' '. + Time::HiRes::tv_interval($t0, [Time::HiRes::gettimeofday()]). + ' '.$number_of_git_cmds; + } + print "\n"; + + return; + } + + # page header + git_header_html(); + my $formats_nav = + $cgi->a({-href => href(action=>"blob", -replay=>1)}, + "blob") . + " | "; + if ($format eq 'incremental') { + $formats_nav .= + $cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)}, + "blame") . " (non-incremental)"; + } else { + $formats_nav .= + $cgi->a({-href => href(action=>"blame_incremental", -replay=>1)}, + "blame") . " (incremental)"; + } + $formats_nav .= + " | " . + $cgi->a({-href => href(action=>"history", -replay=>1)}, + "history") . + " | " . + $cgi->a({-href => href(action=>$action, file_name=>$file_name)}, + "HEAD"); + git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); + git_print_header_div('commit', esc_html($co{'title'}), $hash_base); + git_print_page_path($file_name, $ftype, $hash_base); + + # page body + if ($format eq 'incremental') { + print "<noscript>\n<div class=\"error\"><center><b>\n". + "This page requires JavaScript to run.\n Use ". + $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)}, + 'this page'). + " instead.\n". + "</b></center></div>\n</noscript>\n"; + + print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!; + } + + print qq!<div class="page_body">\n!; + print qq!<div id="progress_info">... / ...</div>\n! + if ($format eq 'incremental'); + print qq!<table id="blame_table" class="blame" width="100%">\n!. + #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!. + qq!<thead>\n!. + qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!. + qq!</thead>\n!. + qq!<tbody>\n!; + + my @rev_color = qw(light dark); + my $num_colors = scalar(@rev_color); + my $current_color = 0; + + if ($format eq 'incremental') { + my $color_class = $rev_color[$current_color]; + + #contents of a file + my $linenr = 0; + LINE: + while (my $line = <$fd>) { + chomp $line; + $linenr++; + + print qq!<tr id="l$linenr" class="$color_class">!. + qq!<td class="sha1"><a href=""> </a></td>!. + qq!<td class="linenr">!. + qq!<a class="linenr" href="">$linenr</a></td>!; + print qq!<td class="pre">! . esc_html($line) . "</td>\n"; + print qq!</tr>\n!; + } + + } else { # porcelain, i.e. ordinary blame + my %metainfo = (); # saves information about commits + + # blame data + LINE: + while (my $line = <$fd>) { + chomp $line; + # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>] + # no <lines in group> for subsequent lines in group of lines + my ($full_rev, $orig_lineno, $lineno, $group_size) = + ($line =~ /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/); + if (!exists $metainfo{$full_rev}) { + $metainfo{$full_rev} = { 'nprevious' => 0 }; + } + my $meta = $metainfo{$full_rev}; + my $data; + while ($data = <$fd>) { + chomp $data; + last if ($data =~ s/^\t//); # contents of line + if ($data =~ /^(\S+)(?: (.*))?$/) { + $meta->{$1} = $2 unless exists $meta->{$1}; + } + if ($data =~ /^previous /) { + $meta->{'nprevious'}++; + } + } + my $short_rev = substr($full_rev, 0, 8); + my $author = $meta->{'author'}; + my %date = + parse_date($meta->{'author-time'}, $meta->{'author-tz'}); + my $date = $date{'iso-tz'}; + if ($group_size) { + $current_color = ($current_color + 1) % $num_colors; + } + my $tr_class = $rev_color[$current_color]; + $tr_class .= ' boundary' if (exists $meta->{'boundary'}); + $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0); + $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1); + print "<tr id=\"l$lineno\" class=\"$tr_class\">\n"; + if ($group_size) { + print "<td class=\"sha1\""; + print " title=\"". esc_html($author) . ", $date\""; + print " rowspan=\"$group_size\"" if ($group_size > 1); + print ">"; + print $cgi->a({-href => href(action=>"commit", + hash=>$full_rev, + file_name=>$file_name)}, + esc_html($short_rev)); + if ($group_size >= 2) { + my @author_initials = ($author =~ /\b([[:upper:]])\B/g); + if (@author_initials) { + print "<br />" . + esc_html(join('', @author_initials)); + # or join('.', ...) + } + } + print "</td>\n"; + } + # 'previous' <sha1 of parent commit> <filename at commit> + if (exists $meta->{'previous'} && + $meta->{'previous'} =~ /^([a-fA-F0-9]{40}) (.*)$/) { + $meta->{'parent'} = $1; + $meta->{'file_parent'} = unquote($2); + } + my $linenr_commit = + exists($meta->{'parent'}) ? + $meta->{'parent'} : $full_rev; + my $linenr_filename = + exists($meta->{'file_parent'}) ? + $meta->{'file_parent'} : unquote($meta->{'filename'}); + my $blamed = href(action => 'blame', + file_name => $linenr_filename, + hash_base => $linenr_commit); + print "<td class=\"linenr\">"; + print $cgi->a({ -href => "$blamed#l$orig_lineno", + -class => "linenr" }, + esc_html($lineno)); + print "</td>"; + print "<td class=\"pre\">" . esc_html($data) . "</td>\n"; + print "</tr>\n"; + } # end while + + } + + # footer + print "</tbody>\n". + "</table>\n"; # class="blame" + print "</div>\n"; # class="blame_body" + close $fd + or print "Reading blob failed\n"; + + git_footer_html(); +} + +sub git_blame { + git_blame_common(); +} + +sub git_blame_incremental { + git_blame_common('incremental'); +} + +sub git_blame_data { + git_blame_common('data'); +} + +sub git_tags { + my $head = git_get_head_hash($project); + git_header_html(); + git_print_page_nav('','', $head,undef,$head); + git_print_header_div('summary', $project); + + my @tagslist = git_get_tags_list(); + if (@tagslist) { + git_tags_body(\@tagslist); + } + git_footer_html(); +} + +sub git_heads { + my $head = git_get_head_hash($project); + git_header_html(); + git_print_page_nav('','', $head,undef,$head); + git_print_header_div('summary', $project); + + my @headslist = git_get_heads_list(); + if (@headslist) { + git_heads_body(\@headslist, $head); + } + git_footer_html(); +} + +sub git_blob_plain { + my $type = shift; + my $expires; + + if (!defined $hash) { + if (defined $file_name) { + my $base = $hash_base || git_get_head_hash($project); + $hash = git_get_hash_by_path($base, $file_name, "blob") + or die_error(404, "Cannot find file"); + } else { + die_error(400, "No file name defined"); + } + } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) { + # blobs defined by non-textual hash id's can be cached + $expires = "+1d"; + } + + open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash + or die_error(500, "Open git-cat-file blob '$hash' failed"); + + # content-type (can include charset) + $type = blob_contenttype($fd, $file_name, $type); + + # "save as" filename, even when no $file_name is given + my $save_as = "$hash"; + if (defined $file_name) { + $save_as = $file_name; + } elsif ($type =~ m/^text\//) { + $save_as .= '.txt'; + } + + # With XSS prevention on, blobs of all types except a few known safe + # ones are served with "Content-Disposition: attachment" to make sure + # they don't run in our security domain. For certain image types, + # blob view writes an <img> tag referring to blob_plain view, and we + # want to be sure not to break that by serving the image as an + # attachment (though Firefox 3 doesn't seem to care). + my $sandbox = $prevent_xss && + $type !~ m!^(?:text/plain|image/(?:gif|png|jpeg))$!; + + print $cgi->header( + -type => $type, + -expires => $expires, + -content_disposition => + ($sandbox ? 'attachment' : 'inline') + . '; filename="' . $save_as . '"'); + local $/ = undef; + binmode STDOUT, ':raw'; + print <$fd>; + binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi + close $fd; +} + +sub git_blob { + my $expires; + + if (!defined $hash) { + if (defined $file_name) { + my $base = $hash_base || git_get_head_hash($project); + $hash = git_get_hash_by_path($base, $file_name, "blob") + or die_error(404, "Cannot find file"); + } else { + die_error(400, "No file name defined"); + } + } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) { + # blobs defined by non-textual hash id's can be cached + $expires = "+1d"; + } + + my $have_blame = gitweb_check_feature('blame'); + open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash + or die_error(500, "Couldn't cat $file_name, $hash"); + my $mimetype = blob_mimetype($fd, $file_name); + if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) { + close $fd; + return git_blob_plain($mimetype); + } + # we can have blame only for text/* mimetype + $have_blame &&= ($mimetype =~ m!^text/!); + + git_header_html(undef, $expires); + my $formats_nav = ''; + if (defined $hash_base && (my %co = parse_commit($hash_base))) { + if (defined $file_name) { + if ($have_blame) { + $formats_nav .= + $cgi->a({-href => href(action=>"blame", -replay=>1)}, + "blame") . + " | "; + } + $formats_nav .= + $cgi->a({-href => href(action=>"history", -replay=>1)}, + "history") . + " | " . + $cgi->a({-href => href(action=>"blob_plain", -replay=>1)}, + "raw") . + " | " . + $cgi->a({-href => href(action=>"blob", + hash_base=>"HEAD", file_name=>$file_name)}, + "HEAD"); + } else { + $formats_nav .= + $cgi->a({-href => href(action=>"blob_plain", -replay=>1)}, + "raw"); + } + git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); + git_print_header_div('commit', esc_html($co{'title'}), $hash_base); + } else { + print "<div class=\"page_nav\">\n" . + "<br/><br/></div>\n" . + "<div class=\"title\">$hash</div>\n"; + } + git_print_page_path($file_name, "blob", $hash_base); + print "<div class=\"page_body\">\n"; + if ($mimetype =~ m!^image/!) { + print qq!<img type="$mimetype"!; + if ($file_name) { + print qq! alt="$file_name" title="$file_name"!; + } + print qq! src="! . + href(action=>"blob_plain", hash=>$hash, + hash_base=>$hash_base, file_name=>$file_name) . + qq!" />\n!; + } else { + my $nr; + while (my $line = <$fd>) { + chomp $line; + $nr++; + $line = untabify($line); + printf "<div class=\"pre\"><a id=\"l%i\" href=\"" . href(-replay => 1) + . "#l%i\" class=\"linenr\">%4i</a> %s</div>\n", + $nr, $nr, $nr, esc_html($line, -nbsp=>1); + } + } + close $fd + or print "Reading blob failed.\n"; + print "</div>"; + git_footer_html(); +} + +sub git_tree { + if (!defined $hash_base) { + $hash_base = "HEAD"; + } + if (!defined $hash) { + if (defined $file_name) { + $hash = git_get_hash_by_path($hash_base, $file_name, "tree"); + } else { + $hash = $hash_base; + } + } + die_error(404, "No such tree") unless defined($hash); + + my $show_sizes = gitweb_check_feature('show-sizes'); + my $have_blame = gitweb_check_feature('blame'); + + my @entries = (); + { + local $/ = "\0"; + open my $fd, "-|", git_cmd(), "ls-tree", '-z', + ($show_sizes ? '-l' : ()), @extra_options, $hash + or die_error(500, "Open git-ls-tree failed"); + @entries = map { chomp; $_ } <$fd>; + close $fd + or die_error(404, "Reading tree failed"); + } + + my $refs = git_get_references(); + my $ref = format_ref_marker($refs, $hash_base); + git_header_html(); + my $basedir = ''; + if (defined $hash_base && (my %co = parse_commit($hash_base))) { + my @views_nav = (); + if (defined $file_name) { + push @views_nav, + $cgi->a({-href => href(action=>"history", -replay=>1)}, + "history"), + $cgi->a({-href => href(action=>"tree", + hash_base=>"HEAD", file_name=>$file_name)}, + "HEAD"), + } + my $snapshot_links = format_snapshot_links($hash); + if (defined $snapshot_links) { + # FIXME: Should be available when we have no hash base as well. + push @views_nav, $snapshot_links; + } + git_print_page_nav('tree','', $hash_base, undef, undef, + join(' | ', @views_nav)); + git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base); + } else { + undef $hash_base; + print "<div class=\"page_nav\">\n"; + print "<br/><br/></div>\n"; + print "<div class=\"title\">$hash</div>\n"; + } + if (defined $file_name) { + $basedir = $file_name; + if ($basedir ne '' && substr($basedir, -1) ne '/') { + $basedir .= '/'; + } + git_print_page_path($file_name, 'tree', $hash_base); + } + print "<div class=\"page_body\">\n"; + print "<table class=\"tree\">\n"; + my $alternate = 1; + # '..' (top directory) link if possible + if (defined $hash_base && + defined $file_name && $file_name =~ m![^/]+$!) { + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + + my $up = $file_name; + $up =~ s!/?[^/]+$!!; + undef $up unless $up; + # based on git_print_tree_entry + print '<td class="mode">' . mode_str('040000') . "</td>\n"; + print '<td class="size"> </td>'."\n" if $show_sizes; + print '<td class="list">'; + print $cgi->a({-href => href(action=>"tree", + hash_base=>$hash_base, + file_name=>$up)}, + ".."); + print "</td>\n"; + print "<td class=\"link\"></td>\n"; + + print "</tr>\n"; + } + foreach my $line (@entries) { + my %t = parse_ls_tree_line($line, -z => 1, -l => $show_sizes); + + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + + git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame); + + print "</tr>\n"; + } + print "</table>\n" . + "</div>"; + git_footer_html(); +} + +sub snapshot_name { + my ($project, $hash) = @_; + + # path/to/project.git -> project + # path/to/project/.git -> project + my $name = to_utf8($project); + $name =~ s,([^/])/*\.git$,$1,; + $name = basename($name); + # sanitize name + $name =~ s/[[:cntrl:]]/?/g; + + my $ver = $hash; + if ($hash =~ /^[0-9a-fA-F]+$/) { + # shorten SHA-1 hash + my $full_hash = git_get_full_hash($project, $hash); + if ($full_hash =~ /^$hash/ && length($hash) > 7) { + $ver = git_get_short_hash($project, $hash); + } + } elsif ($hash =~ m!^refs/tags/(.*)$!) { + # tags don't need shortened SHA-1 hash + $ver = $1; + } else { + # branches and other need shortened SHA-1 hash + if ($hash =~ m!^refs/(?:heads|remotes)/(.*)$!) { + $ver = $1; + } + $ver .= '-' . git_get_short_hash($project, $hash); + } + # in case of hierarchical branch names + $ver =~ s!/!.!g; + + # name = project-version_string + $name = "$name-$ver"; + + return wantarray ? ($name, $name) : $name; +} + +sub git_snapshot { + my $format = $input_params{'snapshot_format'}; + if (!@snapshot_fmts) { + die_error(403, "Snapshots not allowed"); + } + # default to first supported snapshot format + $format ||= $snapshot_fmts[0]; + if ($format !~ m/^[a-z0-9]+$/) { + die_error(400, "Invalid snapshot format parameter"); + } elsif (!exists($known_snapshot_formats{$format})) { + die_error(400, "Unknown snapshot format"); + } elsif ($known_snapshot_formats{$format}{'disabled'}) { + die_error(403, "Snapshot format not allowed"); + } elsif (!grep($_ eq $format, @snapshot_fmts)) { + die_error(403, "Unsupported snapshot format"); + } + + my $type = git_get_type("$hash^{}"); + if (!$type) { + die_error(404, 'Object does not exist'); + } elsif ($type eq 'blob') { + die_error(400, 'Object is not a tree-ish'); + } + + my ($name, $prefix) = snapshot_name($project, $hash); + my $filename = "$name$known_snapshot_formats{$format}{'suffix'}"; + my $cmd = quote_command( + git_cmd(), 'archive', + "--format=$known_snapshot_formats{$format}{'format'}", + "--prefix=$prefix/", $hash); + if (exists $known_snapshot_formats{$format}{'compressor'}) { + $cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}}); + } + + $filename =~ s/(["\\])/\\$1/g; + print $cgi->header( + -type => $known_snapshot_formats{$format}{'type'}, + -content_disposition => 'inline; filename="' . $filename . '"', + -status => '200 OK'); + + open my $fd, "-|", $cmd + or die_error(500, "Execute git-archive failed"); + binmode STDOUT, ':raw'; + print <$fd>; + binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi + close $fd; +} + +sub git_log_generic { + my ($fmt_name, $body_subr, $base, $parent, $file_name, $file_hash) = @_; + + my $head = git_get_head_hash($project); + if (!defined $base) { + $base = $head; + } + if (!defined $page) { + $page = 0; + } + my $refs = git_get_references(); + + my $commit_hash = $base; + if (defined $parent) { + $commit_hash = "$parent..$base"; + } + my @commitlist = + parse_commits($commit_hash, 101, (100 * $page), + defined $file_name ? ($file_name, "--full-history") : ()); + + my $ftype; + if (!defined $file_hash && defined $file_name) { + # some commits could have deleted file in question, + # and not have it in tree, but one of them has to have it + for (my $i = 0; $i < @commitlist; $i++) { + $file_hash = git_get_hash_by_path($commitlist[$i]{'id'}, $file_name); + last if defined $file_hash; + } + } + if (defined $file_hash) { + $ftype = git_get_type($file_hash); + } + if (defined $file_name && !defined $ftype) { + die_error(500, "Unknown type of object"); + } + my %co; + if (defined $file_name) { + %co = parse_commit($base) + or die_error(404, "Unknown commit object"); + } + + + my $paging_nav = format_paging_nav($fmt_name, $page, $#commitlist >= 100); + my $next_link = ''; + if ($#commitlist >= 100) { + $next_link = + $cgi->a({-href => href(-replay=>1, page=>$page+1), + -accesskey => "n", -title => "Alt-n"}, "next"); + } + my $patch_max = gitweb_get_feature('patches'); + if ($patch_max && !defined $file_name) { + if ($patch_max < 0 || @commitlist <= $patch_max) { + $paging_nav .= " ⋅ " . + $cgi->a({-href => href(action=>"patches", -replay=>1)}, + "patches"); + } + } + + git_header_html(); + git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav); + if (defined $file_name) { + git_print_header_div('commit', esc_html($co{'title'}), $base); + } else { + git_print_header_div('summary', $project) + } + git_print_page_path($file_name, $ftype, $hash_base) + if (defined $file_name); + + $body_subr->(\@commitlist, 0, 99, $refs, $next_link, + $file_name, $file_hash, $ftype); + + git_footer_html(); +} + +sub git_log { + git_log_generic('log', \&git_log_body, + $hash, $hash_parent); +} + +sub git_commit { + $hash ||= $hash_base || "HEAD"; + my %co = parse_commit($hash) + or die_error(404, "Unknown commit object"); + + my $parent = $co{'parent'}; + my $parents = $co{'parents'}; # listref + + # we need to prepare $formats_nav before any parameter munging + my $formats_nav; + if (!defined $parent) { + # --root commitdiff + $formats_nav .= '(initial)'; + } elsif (@$parents == 1) { + # single parent commit + $formats_nav .= + '(parent: ' . + $cgi->a({-href => href(action=>"commit", + hash=>$parent)}, + esc_html(substr($parent, 0, 7))) . + ')'; + } else { + # merge commit + $formats_nav .= + '(merge: ' . + join(' ', map { + $cgi->a({-href => href(action=>"commit", + hash=>$_)}, + esc_html(substr($_, 0, 7))); + } @$parents ) . + ')'; + } + if (gitweb_check_feature('patches') && @$parents <= 1) { + $formats_nav .= " | " . + $cgi->a({-href => href(action=>"patch", -replay=>1)}, + "patch"); + } + + if (!defined $parent) { + $parent = "--root"; + } + my @difftree; + open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id", + @diff_opts, + (@$parents <= 1 ? $parent : '-c'), + $hash, "--" + or die_error(500, "Open git-diff-tree failed"); + @difftree = map { chomp; $_ } <$fd>; + close $fd or die_error(404, "Reading git-diff-tree failed"); + + # non-textual hash id's can be cached + my $expires; + if ($hash =~ m/^[0-9a-fA-F]{40}$/) { + $expires = "+1d"; + } + my $refs = git_get_references(); + my $ref = format_ref_marker($refs, $co{'id'}); + + git_header_html(undef, $expires); + git_print_page_nav('commit', '', + $hash, $co{'tree'}, $hash, + $formats_nav); + + if (defined $co{'parent'}) { + git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash); + } else { + git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash); + } + print "<div class=\"title_text\">\n" . + "<table class=\"object_header\">\n"; + git_print_authorship_rows(\%co); + print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n"; + print "<tr>" . + "<td>tree</td>" . + "<td class=\"sha1\">" . + $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash), + class => "list"}, $co{'tree'}) . + "</td>" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)}, + "tree"); + my $snapshot_links = format_snapshot_links($hash); + if (defined $snapshot_links) { + print " | " . $snapshot_links; + } + print "</td>" . + "</tr>\n"; + + foreach my $par (@$parents) { + print "<tr>" . + "<td>parent</td>" . + "<td class=\"sha1\">" . + $cgi->a({-href => href(action=>"commit", hash=>$par), + class => "list"}, $par) . + "</td>" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") . + " | " . + $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") . + "</td>" . + "</tr>\n"; + } + print "</table>". + "</div>\n"; + + print "<div class=\"page_body\">\n"; + git_print_log($co{'comment'}); + print "</div>\n"; + + git_difftree_body(\@difftree, $hash, @$parents); + + git_footer_html(); +} + +sub git_object { + # object is defined by: + # - hash or hash_base alone + # - hash_base and file_name + my $type; + + # - hash or hash_base alone + if ($hash || ($hash_base && !defined $file_name)) { + my $object_id = $hash || $hash_base; + + open my $fd, "-|", quote_command( + git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null' + or die_error(404, "Object does not exist"); + $type = <$fd>; + chomp $type; + close $fd + or die_error(404, "Object does not exist"); + + # - hash_base and file_name + } elsif ($hash_base && defined $file_name) { + $file_name =~ s,/+$,,; + + system(git_cmd(), "cat-file", '-e', $hash_base) == 0 + or die_error(404, "Base object does not exist"); + + # here errors should not hapen + open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name + or die_error(500, "Open git-ls-tree failed"); + my $line = <$fd>; + close $fd; + + #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' + unless ($line && $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/) { + die_error(404, "File or directory for given base does not exist"); + } + $type = $2; + $hash = $3; + } else { + die_error(400, "Not enough information to find object"); + } + + print $cgi->redirect(-uri => href(action=>$type, -full=>1, + hash=>$hash, hash_base=>$hash_base, + file_name=>$file_name), + -status => '302 Found'); +} + +sub git_blobdiff { + my $format = shift || 'html'; + + my $fd; + my @difftree; + my %diffinfo; + my $expires; + + # preparing $fd and %diffinfo for git_patchset_body + # new style URI + if (defined $hash_base && defined $hash_parent_base) { + if (defined $file_name) { + # read raw output + open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + $hash_parent_base, $hash_base, + "--", (defined $file_parent ? $file_parent : ()), $file_name + or die_error(500, "Open git-diff-tree failed"); + @difftree = map { chomp; $_ } <$fd>; + close $fd + or die_error(404, "Reading git-diff-tree failed"); + @difftree + or die_error(404, "Blob diff not found"); + + } elsif (defined $hash && + $hash =~ /[0-9a-fA-F]{40}/) { + # try to find filename from $hash + + # read filtered raw output + open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + $hash_parent_base, $hash_base, "--" + or die_error(500, "Open git-diff-tree failed"); + @difftree = + # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c' + # $hash == to_id + grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ } + map { chomp; $_ } <$fd>; + close $fd + or die_error(404, "Reading git-diff-tree failed"); + @difftree + or die_error(404, "Blob diff not found"); + + } else { + die_error(400, "Missing one of the blob diff parameters"); + } + + if (@difftree > 1) { + die_error(400, "Ambiguous blob diff specification"); + } + + %diffinfo = parse_difftree_raw_line($difftree[0]); + $file_parent ||= $diffinfo{'from_file'} || $file_name; + $file_name ||= $diffinfo{'to_file'}; + + $hash_parent ||= $diffinfo{'from_id'}; + $hash ||= $diffinfo{'to_id'}; + + # non-textual hash id's can be cached + if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ && + $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) { + $expires = '+1d'; + } + + # open patch output + open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + '-p', ($format eq 'html' ? "--full-index" : ()), + $hash_parent_base, $hash_base, + "--", (defined $file_parent ? $file_parent : ()), $file_name + or die_error(500, "Open git-diff-tree failed"); + } + + # old/legacy style URI -- not generated anymore since 1.4.3. + if (!%diffinfo) { + die_error('404 Not Found', "Missing one of the blob diff parameters") + } + + # header + if ($format eq 'html') { + my $formats_nav = + $cgi->a({-href => href(action=>"blobdiff_plain", -replay=>1)}, + "raw"); + git_header_html(undef, $expires); + if (defined $hash_base && (my %co = parse_commit($hash_base))) { + git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav); + git_print_header_div('commit', esc_html($co{'title'}), $hash_base); + } else { + print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n"; + print "<div class=\"title\">$hash vs $hash_parent</div>\n"; + } + if (defined $file_name) { + git_print_page_path($file_name, "blob", $hash_base); + } else { + print "<div class=\"page_path\"></div>\n"; + } + + } elsif ($format eq 'plain') { + print $cgi->header( + -type => 'text/plain', + -charset => 'utf-8', + -expires => $expires, + -content_disposition => 'inline; filename="' . "$file_name" . '.patch"'); + + print "X-Git-Url: " . $cgi->self_url() . "\n\n"; + + } else { + die_error(400, "Unknown blobdiff format"); + } + + # patch + if ($format eq 'html') { + print "<div class=\"page_body\">\n"; + + git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base); + close $fd; + + print "</div>\n"; # class="page_body" + git_footer_html(); + + } else { + while (my $line = <$fd>) { + $line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg; + $line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg; + + print $line; + + last if $line =~ m!^\+\+\+!; + } + local $/ = undef; + print <$fd>; + close $fd; + } +} + +sub git_blobdiff_plain { + git_blobdiff('plain'); +} + +sub git_commitdiff { + my %params = @_; + my $format = $params{-format} || 'html'; + + my ($patch_max) = gitweb_get_feature('patches'); + if ($format eq 'patch') { + die_error(403, "Patch view not allowed") unless $patch_max; + } + + $hash ||= $hash_base || "HEAD"; + my %co = parse_commit($hash) + or die_error(404, "Unknown commit object"); + + # choose format for commitdiff for merge + if (! defined $hash_parent && @{$co{'parents'}} > 1) { + $hash_parent = '--cc'; + } + # we need to prepare $formats_nav before almost any parameter munging + my $formats_nav; + if ($format eq 'html') { + $formats_nav = + $cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)}, + "raw"); + if ($patch_max && @{$co{'parents'}} <= 1) { + $formats_nav .= " | " . + $cgi->a({-href => href(action=>"patch", -replay=>1)}, + "patch"); + } + + if (defined $hash_parent && + $hash_parent ne '-c' && $hash_parent ne '--cc') { + # commitdiff with two commits given + my $hash_parent_short = $hash_parent; + if ($hash_parent =~ m/^[0-9a-fA-F]{40}$/) { + $hash_parent_short = substr($hash_parent, 0, 7); + } + $formats_nav .= + ' (from'; + for (my $i = 0; $i < @{$co{'parents'}}; $i++) { + if ($co{'parents'}[$i] eq $hash_parent) { + $formats_nav .= ' parent ' . ($i+1); + last; + } + } + $formats_nav .= ': ' . + $cgi->a({-href => href(action=>"commitdiff", + hash=>$hash_parent)}, + esc_html($hash_parent_short)) . + ')'; + } elsif (!$co{'parent'}) { + # --root commitdiff + $formats_nav .= ' (initial)'; + } elsif (scalar @{$co{'parents'}} == 1) { + # single parent commit + $formats_nav .= + ' (parent: ' . + $cgi->a({-href => href(action=>"commitdiff", + hash=>$co{'parent'})}, + esc_html(substr($co{'parent'}, 0, 7))) . + ')'; + } else { + # merge commit + if ($hash_parent eq '--cc') { + $formats_nav .= ' | ' . + $cgi->a({-href => href(action=>"commitdiff", + hash=>$hash, hash_parent=>'-c')}, + 'combined'); + } else { # $hash_parent eq '-c' + $formats_nav .= ' | ' . + $cgi->a({-href => href(action=>"commitdiff", + hash=>$hash, hash_parent=>'--cc')}, + 'compact'); + } + $formats_nav .= + ' (merge: ' . + join(' ', map { + $cgi->a({-href => href(action=>"commitdiff", + hash=>$_)}, + esc_html(substr($_, 0, 7))); + } @{$co{'parents'}} ) . + ')'; + } + } + + my $hash_parent_param = $hash_parent; + if (!defined $hash_parent_param) { + # --cc for multiple parents, --root for parentless + $hash_parent_param = + @{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root'; + } + + # read commitdiff + my $fd; + my @difftree; + if ($format eq 'html') { + open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + "--no-commit-id", "--patch-with-raw", "--full-index", + $hash_parent_param, $hash, "--" + or die_error(500, "Open git-diff-tree failed"); + + while (my $line = <$fd>) { + chomp $line; + # empty line ends raw part of diff-tree output + last unless $line; + push @difftree, scalar parse_difftree_raw_line($line); + } + + } elsif ($format eq 'plain') { + open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + '-p', $hash_parent_param, $hash, "--" + or die_error(500, "Open git-diff-tree failed"); + } elsif ($format eq 'patch') { + # For commit ranges, we limit the output to the number of + # patches specified in the 'patches' feature. + # For single commits, we limit the output to a single patch, + # diverging from the git-format-patch default. + my @commit_spec = (); + if ($hash_parent) { + if ($patch_max > 0) { + push @commit_spec, "-$patch_max"; + } + push @commit_spec, '-n', "$hash_parent..$hash"; + } else { + if ($params{-single}) { + push @commit_spec, '-1'; + } else { + if ($patch_max > 0) { + push @commit_spec, "-$patch_max"; + } + push @commit_spec, "-n"; + } + push @commit_spec, '--root', $hash; + } + open $fd, "-|", git_cmd(), "format-patch", '--encoding=utf8', + '--stdout', @commit_spec + or die_error(500, "Open git-format-patch failed"); + } else { + die_error(400, "Unknown commitdiff format"); + } + + # non-textual hash id's can be cached + my $expires; + if ($hash =~ m/^[0-9a-fA-F]{40}$/) { + $expires = "+1d"; + } + + # write commit message + if ($format eq 'html') { + my $refs = git_get_references(); + my $ref = format_ref_marker($refs, $co{'id'}); + + git_header_html(undef, $expires); + git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav); + git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash); + print "<div class=\"title_text\">\n" . + "<table class=\"object_header\">\n"; + git_print_authorship_rows(\%co); + print "</table>". + "</div>\n"; + print "<div class=\"page_body\">\n"; + if (@{$co{'comment'}} > 1) { + print "<div class=\"log\">\n"; + git_print_log($co{'comment'}, -final_empty_line=> 1, -remove_title => 1); + print "</div>\n"; # class="log" + } + + } elsif ($format eq 'plain') { + my $refs = git_get_references("tags"); + my $tagname = git_get_rev_name_tags($hash); + my $filename = basename($project) . "-$hash.patch"; + + print $cgi->header( + -type => 'text/plain', + -charset => 'utf-8', + -expires => $expires, + -content_disposition => 'inline; filename="' . "$filename" . '"'); + my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'}); + print "From: " . to_utf8($co{'author'}) . "\n"; + print "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n"; + print "Subject: " . to_utf8($co{'title'}) . "\n"; + + print "X-Git-Tag: $tagname\n" if $tagname; + print "X-Git-Url: " . $cgi->self_url() . "\n\n"; + + foreach my $line (@{$co{'comment'}}) { + print to_utf8($line) . "\n"; + } + print "---\n\n"; + } elsif ($format eq 'patch') { + my $filename = basename($project) . "-$hash.patch"; + + print $cgi->header( + -type => 'text/plain', + -charset => 'utf-8', + -expires => $expires, + -content_disposition => 'inline; filename="' . "$filename" . '"'); + } + + # write patch + if ($format eq 'html') { + my $use_parents = !defined $hash_parent || + $hash_parent eq '-c' || $hash_parent eq '--cc'; + git_difftree_body(\@difftree, $hash, + $use_parents ? @{$co{'parents'}} : $hash_parent); + print "<br/>\n"; + + git_patchset_body($fd, \@difftree, $hash, + $use_parents ? @{$co{'parents'}} : $hash_parent); + close $fd; + print "</div>\n"; # class="page_body" + git_footer_html(); + + } elsif ($format eq 'plain') { + local $/ = undef; + print <$fd>; + close $fd + or print "Reading git-diff-tree failed\n"; + } elsif ($format eq 'patch') { + local $/ = undef; + print <$fd>; + close $fd + or print "Reading git-format-patch failed\n"; + } +} + +sub git_commitdiff_plain { + git_commitdiff(-format => 'plain'); +} + +# format-patch-style patches +sub git_patch { + git_commitdiff(-format => 'patch', -single => 1); +} + +sub git_patches { + git_commitdiff(-format => 'patch'); +} + +sub git_history { + git_log_generic('history', \&git_history_body, + $hash_base, $hash_parent_base, + $file_name, $hash); +} + +sub git_search { + gitweb_check_feature('search') or die_error(403, "Search is disabled"); + if (!defined $searchtext) { + die_error(400, "Text field is empty"); + } + if (!defined $hash) { + $hash = git_get_head_hash($project); + } + my %co = parse_commit($hash); + if (!%co) { + die_error(404, "Unknown commit object"); + } + if (!defined $page) { + $page = 0; + } + + $searchtype ||= 'commit'; + if ($searchtype eq 'pickaxe') { + # pickaxe may take all resources of your box and run for several minutes + # with every query - so decide by yourself how public you make this feature + gitweb_check_feature('pickaxe') + or die_error(403, "Pickaxe is disabled"); + } + if ($searchtype eq 'grep') { + gitweb_check_feature('grep') + or die_error(403, "Grep is disabled"); + } + + git_header_html(); + + if ($searchtype eq 'commit' or $searchtype eq 'author' or $searchtype eq 'committer') { + my $greptype; + if ($searchtype eq 'commit') { + $greptype = "--grep="; + } elsif ($searchtype eq 'author') { + $greptype = "--author="; + } elsif ($searchtype eq 'committer') { + $greptype = "--committer="; + } + $greptype .= $searchtext; + my @commitlist = parse_commits($hash, 101, (100 * $page), undef, + $greptype, '--regexp-ignore-case', + $search_use_regexp ? '--extended-regexp' : '--fixed-strings'); + + my $paging_nav = ''; + if ($page > 0) { + $paging_nav .= + $cgi->a({-href => href(action=>"search", hash=>$hash, + searchtext=>$searchtext, + searchtype=>$searchtype)}, + "first"); + $paging_nav .= " ⋅ " . + $cgi->a({-href => href(-replay=>1, page=>$page-1), + -accesskey => "p", -title => "Alt-p"}, "prev"); + } else { + $paging_nav .= "first"; + $paging_nav .= " ⋅ prev"; + } + my $next_link = ''; + if ($#commitlist >= 100) { + $next_link = + $cgi->a({-href => href(-replay=>1, page=>$page+1), + -accesskey => "n", -title => "Alt-n"}, "next"); + $paging_nav .= " ⋅ $next_link"; + } else { + $paging_nav .= " ⋅ next"; + } + + if ($#commitlist >= 100) { + } + + git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav); + git_print_header_div('commit', esc_html($co{'title'}), $hash); + git_search_grep_body(\@commitlist, 0, 99, $next_link); + } + + if ($searchtype eq 'pickaxe') { + git_print_page_nav('','', $hash,$co{'tree'},$hash); + git_print_header_div('commit', esc_html($co{'title'}), $hash); + + print "<table class=\"pickaxe search\">\n"; + my $alternate = 1; + local $/ = "\n"; + open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts, + '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext", + ($search_use_regexp ? '--pickaxe-regex' : ()); + undef %co; + my @files; + while (my $line = <$fd>) { + chomp $line; + next unless $line; + + my %set = parse_difftree_raw_line($line); + if (defined $set{'commit'}) { + # finish previous commit + if (%co) { + print "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") . + " | " . + $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree"); + print "</td>\n" . + "</tr>\n"; + } + + if ($alternate) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + $alternate ^= 1; + %co = parse_commit($set{'commit'}); + my $author = chop_and_escape_str($co{'author_name'}, 15, 5); + print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" . + "<td><i>$author</i></td>\n" . + "<td>" . + $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), + -class => "list subject"}, + chop_and_escape_str($co{'title'}, 50) . "<br/>"); + } elsif (defined $set{'to_id'}) { + next if ($set{'to_id'} =~ m/^0{40}$/); + + print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'}, + hash=>$set{'to_id'}, file_name=>$set{'to_file'}), + -class => "list"}, + "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") . + "<br/>\n"; + } + } + close $fd; + + # finish last commit (warning: repetition!) + if (%co) { + print "</td>\n" . + "<td class=\"link\">" . + $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") . + " | " . + $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree"); + print "</td>\n" . + "</tr>\n"; + } + + print "</table>\n"; + } + + if ($searchtype eq 'grep') { + git_print_page_nav('','', $hash,$co{'tree'},$hash); + git_print_header_div('commit', esc_html($co{'title'}), $hash); + + print "<table class=\"grep_search\">\n"; + my $alternate = 1; + my $matches = 0; + local $/ = "\n"; + open my $fd, "-|", git_cmd(), 'grep', '-n', + $search_use_regexp ? ('-E', '-i') : '-F', + $searchtext, $co{'tree'}; + my $lastfile = ''; + while (my $line = <$fd>) { + chomp $line; + my ($file, $lno, $ltext, $binary); + last if ($matches++ > 1000); + if ($line =~ /^Binary file (.+) matches$/) { + $file = $1; + $binary = 1; + } else { + (undef, $file, $lno, $ltext) = split(/:/, $line, 4); + } + if ($file ne $lastfile) { + $lastfile and print "</td></tr>\n"; + if ($alternate++) { + print "<tr class=\"dark\">\n"; + } else { + print "<tr class=\"light\">\n"; + } + print "<td class=\"list\">". + $cgi->a({-href => href(action=>"blob", hash=>$co{'hash'}, + file_name=>"$file"), + -class => "list"}, esc_path($file)); + print "</td><td>\n"; + $lastfile = $file; + } + if ($binary) { + print "<div class=\"binary\">Binary file</div>\n"; + } else { + $ltext = untabify($ltext); + if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) { + $ltext = esc_html($1, -nbsp=>1); + $ltext .= '<span class="match">'; + $ltext .= esc_html($2, -nbsp=>1); + $ltext .= '</span>'; + $ltext .= esc_html($3, -nbsp=>1); + } else { + $ltext = esc_html($ltext, -nbsp=>1); + } + print "<div class=\"pre\">" . + $cgi->a({-href => href(action=>"blob", hash=>$co{'hash'}, + file_name=>"$file").'#l'.$lno, + -class => "linenr"}, sprintf('%4i', $lno)) + . ' ' . $ltext . "</div>\n"; + } + } + if ($lastfile) { + print "</td></tr>\n"; + if ($matches > 1000) { + print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n"; + } + } else { + print "<div class=\"diff nodifferences\">No matches found</div>\n"; + } + close $fd; + + print "</table>\n"; + } + git_footer_html(); +} + +sub git_search_help { + git_header_html(); + git_print_page_nav('','', $hash,$hash,$hash); + print <<EOT; +<p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without +regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox, +the pattern entered is recognized as the POSIX extended +<a href="http://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case +insensitive).</p> +<dl> +<dt><b>commit</b></dt> +<dd>The commit messages and authorship information will be scanned for the given pattern.</dd> +EOT + my $have_grep = gitweb_check_feature('grep'); + if ($have_grep) { + print <<EOT; +<dt><b>grep</b></dt> +<dd>All files in the currently selected tree (HEAD unless you are explicitly browsing + a different one) are searched for the given pattern. On large trees, this search can take +a while and put some strain on the server, so please use it with some consideration. Note that +due to git-grep peculiarity, currently if regexp mode is turned off, the matches are +case-sensitive.</dd> +EOT + } + print <<EOT; +<dt><b>author</b></dt> +<dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given pattern.</dd> +<dt><b>committer</b></dt> +<dd>Name and e-mail of the committer and date of commit will be scanned for the given pattern.</dd> +EOT + my $have_pickaxe = gitweb_check_feature('pickaxe'); + if ($have_pickaxe) { + print <<EOT; +<dt><b>pickaxe</b></dt> +<dd>All commits that caused the string to appear or disappear from any file (changes that +added, removed or "modified" the string) will be listed. This search can take a while and +takes a lot of strain on the server, so please use it wisely. Note that since you may be +interested even in changes just changing the case as well, this search is case sensitive.</dd> +EOT + } + print "</dl>\n"; + git_footer_html(); +} + +sub git_shortlog { + git_log_generic('shortlog', \&git_shortlog_body, + $hash, $hash_parent); +} + +## ...................................................................... +## feeds (RSS, Atom; OPML) + +sub git_feed { + my $format = shift || 'atom'; + my $have_blame = gitweb_check_feature('blame'); + + # Atom: http://www.atomenabled.org/developers/syndication/ + # RSS: http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ + if ($format ne 'rss' && $format ne 'atom') { + die_error(400, "Unknown web feed format"); + } + + # log/feed of current (HEAD) branch, log of given branch, history of file/directory + my $head = $hash || 'HEAD'; + my @commitlist = parse_commits($head, 150, 0, $file_name); + + my %latest_commit; + my %latest_date; + my $content_type = "application/$format+xml"; + if (defined $cgi->http('HTTP_ACCEPT') && + $cgi->Accept('text/xml') > $cgi->Accept($content_type)) { + # browser (feed reader) prefers text/xml + $content_type = 'text/xml'; + } + if (defined($commitlist[0])) { + %latest_commit = %{$commitlist[0]}; + my $latest_epoch = $latest_commit{'committer_epoch'}; + %latest_date = parse_date($latest_epoch); + my $if_modified = $cgi->http('IF_MODIFIED_SINCE'); + if (defined $if_modified) { + my $since; + if (eval { require HTTP::Date; 1; }) { + $since = HTTP::Date::str2time($if_modified); + } elsif (eval { require Time::ParseDate; 1; }) { + $since = Time::ParseDate::parsedate($if_modified, GMT => 1); + } + if (defined $since && $latest_epoch <= $since) { + print $cgi->header( + -type => $content_type, + -charset => 'utf-8', + -last_modified => $latest_date{'rfc2822'}, + -status => '304 Not Modified'); + return; + } + } + print $cgi->header( + -type => $content_type, + -charset => 'utf-8', + -last_modified => $latest_date{'rfc2822'}); + } else { + print $cgi->header( + -type => $content_type, + -charset => 'utf-8'); + } + + # Optimization: skip generating the body if client asks only + # for Last-Modified date. + return if ($cgi->request_method() eq 'HEAD'); + + # header variables + my $title = "$site_name - $project/$action"; + my $feed_type = 'log'; + if (defined $hash) { + $title .= " - '$hash'"; + $feed_type = 'branch log'; + if (defined $file_name) { + $title .= " :: $file_name"; + $feed_type = 'history'; + } + } elsif (defined $file_name) { + $title .= " - $file_name"; + $feed_type = 'history'; + } + $title .= " $feed_type"; + my $descr = git_get_project_description($project); + if (defined $descr) { + $descr = esc_html($descr); + } else { + $descr = "$project " . + ($format eq 'rss' ? 'RSS' : 'Atom') . + " feed"; + } + my $owner = git_get_project_owner($project); + $owner = esc_html($owner); + + #header + my $alt_url; + if (defined $file_name) { + $alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name); + } elsif (defined $hash) { + $alt_url = href(-full=>1, action=>"log", hash=>$hash); + } else { + $alt_url = href(-full=>1, action=>"summary"); + } + print qq!<?xml version="1.0" encoding="utf-8"?>\n!; + if ($format eq 'rss') { + print <<XML; +<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/"> +<channel> +XML + print "<title>$title</title>\n" . + "<link>$alt_url</link>\n" . + "<description>$descr</description>\n" . + "<language>en</language>\n" . + # project owner is responsible for 'editorial' content + "<managingEditor>$owner</managingEditor>\n"; + if (defined $logo || defined $favicon) { + # prefer the logo to the favicon, since RSS + # doesn't allow both + my $img = esc_url($logo || $favicon); + print "<image>\n" . + "<url>$img</url>\n" . + "<title>$title</title>\n" . + "<link>$alt_url</link>\n" . + "</image>\n"; + } + if (%latest_date) { + print "<pubDate>$latest_date{'rfc2822'}</pubDate>\n"; + print "<lastBuildDate>$latest_date{'rfc2822'}</lastBuildDate>\n"; + } + print "<generator>gitweb v.$version/$git_version</generator>\n"; + } elsif ($format eq 'atom') { + print <<XML; +<feed xmlns="http://www.w3.org/2005/Atom"> +XML + print "<title>$title</title>\n" . + "<subtitle>$descr</subtitle>\n" . + '<link rel="alternate" type="text/html" href="' . + $alt_url . '" />' . "\n" . + '<link rel="self" type="' . $content_type . '" href="' . + $cgi->self_url() . '" />' . "\n" . + "<id>" . href(-full=>1) . "</id>\n" . + # use project owner for feed author + "<author><name>$owner</name></author>\n"; + if (defined $favicon) { + print "<icon>" . esc_url($favicon) . "</icon>\n"; + } + if (defined $logo_url) { + # not twice as wide as tall: 72 x 27 pixels + print "<logo>" . esc_url($logo) . "</logo>\n"; + } + if (! %latest_date) { + # dummy date to keep the feed valid until commits trickle in: + print "<updated>1970-01-01T00:00:00Z</updated>\n"; + } else { + print "<updated>$latest_date{'iso-8601'}</updated>\n"; + } + print "<generator version='$version/$git_version'>gitweb</generator>\n"; + } + + # contents + for (my $i = 0; $i <= $#commitlist; $i++) { + my %co = %{$commitlist[$i]}; + my $commit = $co{'id'}; + # we read 150, we always show 30 and the ones more recent than 48 hours + if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) { + last; + } + my %cd = parse_date($co{'author_epoch'}); + + # get list of changed files + open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, + $co{'parent'} || "--root", + $co{'id'}, "--", (defined $file_name ? $file_name : ()) + or next; + my @difftree = map { chomp; $_ } <$fd>; + close $fd + or next; + + # print element (entry, item) + my $co_url = href(-full=>1, action=>"commitdiff", hash=>$commit); + if ($format eq 'rss') { + print "<item>\n" . + "<title>" . esc_html($co{'title'}) . "</title>\n" . + "<author>" . esc_html($co{'author'}) . "</author>\n" . + "<pubDate>$cd{'rfc2822'}</pubDate>\n" . + "<guid isPermaLink=\"true\">$co_url</guid>\n" . + "<link>$co_url</link>\n" . + "<description>" . esc_html($co{'title'}) . "</description>\n" . + "<content:encoded>" . + "<![CDATA[\n"; + } elsif ($format eq 'atom') { + print "<entry>\n" . + "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" . + "<updated>$cd{'iso-8601'}</updated>\n" . + "<author>\n" . + " <name>" . esc_html($co{'author_name'}) . "</name>\n"; + if ($co{'author_email'}) { + print " <email>" . esc_html($co{'author_email'}) . "</email>\n"; + } + print "</author>\n" . + # use committer for contributor + "<contributor>\n" . + " <name>" . esc_html($co{'committer_name'}) . "</name>\n"; + if ($co{'committer_email'}) { + print " <email>" . esc_html($co{'committer_email'}) . "</email>\n"; + } + print "</contributor>\n" . + "<published>$cd{'iso-8601'}</published>\n" . + "<link rel=\"alternate\" type=\"text/html\" href=\"$co_url\" />\n" . + "<id>$co_url</id>\n" . + "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" . + "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n"; + } + my $comment = $co{'comment'}; + print "<pre>\n"; + foreach my $line (@$comment) { + $line = esc_html($line); + print "$line\n"; + } + print "</pre><ul>\n"; + foreach my $difftree_line (@difftree) { + my %difftree = parse_difftree_raw_line($difftree_line); + next if !$difftree{'from_id'}; + + my $file = $difftree{'file'} || $difftree{'to_file'}; + + print "<li>" . + "[" . + $cgi->a({-href => href(-full=>1, action=>"blobdiff", + hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'}, + hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'}, + file_name=>$file, file_parent=>$difftree{'from_file'}), + -title => "diff"}, 'D'); + if ($have_blame) { + print $cgi->a({-href => href(-full=>1, action=>"blame", + file_name=>$file, hash_base=>$commit), + -title => "blame"}, 'B'); + } + # if this is not a feed of a file history + if (!defined $file_name || $file_name ne $file) { + print $cgi->a({-href => href(-full=>1, action=>"history", + file_name=>$file, hash=>$commit), + -title => "history"}, 'H'); + } + $file = esc_path($file); + print "] ". + "$file</li>\n"; + } + if ($format eq 'rss') { + print "</ul>]]>\n" . + "</content:encoded>\n" . + "</item>\n"; + } elsif ($format eq 'atom') { + print "</ul>\n</div>\n" . + "</content>\n" . + "</entry>\n"; + } + } + + # end of feed + if ($format eq 'rss') { + print "</channel>\n</rss>\n"; + } elsif ($format eq 'atom') { + print "</feed>\n"; + } +} + +sub git_rss { + git_feed('rss'); +} + +sub git_atom { + git_feed('atom'); +} + +sub git_opml { + my @list = git_get_projects_list(); + + print $cgi->header( + -type => 'text/xml', + -charset => 'utf-8', + -content_disposition => 'inline; filename="opml.xml"'); + + print <<XML; +<?xml version="1.0" encoding="utf-8"?> +<opml version="1.0"> +<head> + <title>$site_name OPML Export</title> +</head> +<body> +<outline text="git RSS feeds"> +XML + + foreach my $pr (@list) { + my %proj = %$pr; + my $head = git_get_head_hash($proj{'path'}); + if (!defined $head) { + next; + } + $git_dir = "$projectroot/$proj{'path'}"; + my %co = parse_commit($head); + if (!%co) { + next; + } + + my $path = esc_html(chop_str($proj{'path'}, 25, 5)); + my $rss = href('project' => $proj{'path'}, 'action' => 'rss', -full => 1); + my $html = href('project' => $proj{'path'}, 'action' => 'summary', -full => 1); + print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n"; + } + print <<XML; +</outline> +</body> +</opml> +XML +} |