diff options
Diffstat (limited to 'git-svn.perl')
| -rwxr-xr-x | git-svn.perl | 930 |
1 files changed, 841 insertions, 89 deletions
diff --git a/git-svn.perl b/git-svn.perl index 650c9e5f02..e30df22d89 100755 --- a/git-svn.perl +++ b/git-svn.perl @@ -1,6 +1,7 @@ #!/usr/bin/env perl # Copyright (C) 2006, Eric Wong <normalperson@yhbt.net> # License: GPL v2 or later +use 5.008; use warnings; use strict; use vars qw/ $AUTHOR $VERSION @@ -21,13 +22,13 @@ $Git::SVN::default_ref_id = $ENV{GIT_SVN_ID} || 'git-svn'; $Git::SVN::Ra::_log_window_size = 100; $Git::SVN::_minimize_url = 'unset'; -if (! exists $ENV{SVN_SSH}) { - if (exists $ENV{GIT_SSH}) { - $ENV{SVN_SSH} = $ENV{GIT_SSH}; - if ($^O eq 'msys') { - $ENV{SVN_SSH} =~ s/\\/\\\\/g; - } - } +if (! exists $ENV{SVN_SSH} && exists $ENV{GIT_SSH}) { + $ENV{SVN_SSH} = $ENV{GIT_SSH}; +} + +if (exists $ENV{SVN_SSH} && $^O eq 'msys') { + $ENV{SVN_SSH} =~ s/\\/\\\\/g; + $ENV{SVN_SSH} =~ s/(.*)/"$1"/; } $Git::SVN::Log::TZ = $ENV{TZ}; @@ -35,11 +36,13 @@ $ENV{TZ} = 'UTC'; $| = 1; # unbuffer STDOUT sub fatal (@) { print STDERR "@_\n"; exit 1 } -require SVN::Core; # use()-ing this causes segfaults for me... *shrug* -require SVN::Ra; -require SVN::Delta; -if ($SVN::Core::VERSION lt '1.1.0') { - fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)"; +sub _req_svn { + require SVN::Core; # use()-ing this causes segfaults for me... *shrug* + require SVN::Ra; + require SVN::Delta; + if ($SVN::Core::VERSION lt '1.1.0') { + fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)"; + } } my $can_compress = eval { require Compress::Zlib; 1}; push @Git::SVN::Ra::ISA, 'SVN::Ra'; @@ -55,6 +58,7 @@ use File::Find; use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/; use IPC::Open3; use Git; +use Memoize; # core since 5.8.0, Jul 2002 BEGIN { # import functions from Git into our packages, en masse @@ -68,6 +72,8 @@ BEGIN { *{"${package}::$_"} = \&{"Git::$_"}; } } + Memoize::memoize 'Git::config'; + Memoize::memoize 'Git::config_bool'; } my ($SVN); @@ -80,13 +86,15 @@ my ($_stdin, $_help, $_edit, $_version, $_fetch_all, $_no_rebase, $_fetch_parent, $_merge, $_strategy, $_dry_run, $_local, $_prefix, $_no_checkout, $_url, $_verbose, - $_git_format, $_commit_url, $_tag); + $_git_format, $_commit_url, $_tag, $_merge_info, $_interactive); $Git::SVN::_follow_parent = 1; +$SVN::Git::Fetcher::_placeholder_filename = ".gitignore"; $_q ||= 0; my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username, 'config-dir=s' => \$Git::SVN::Ra::config_dir, 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache, - 'ignore-paths=s' => \$SVN::Git::Fetcher::_ignore_regex ); + 'ignore-paths=s' => \$SVN::Git::Fetcher::_ignore_regex, + 'ignore-refs=s' => \$Git::SVN::Ra::_ignore_refs_regex ); my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent, 'authors-file|A=s' => \$_authors, 'authors-prog=s' => \$_authors_prog, @@ -115,6 +123,7 @@ my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared, 'use-svm-props' => sub { $icv{useSvmProps} = 1 }, 'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 }, 'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] }, + 'rewrite-uuid=s' => sub { $icv{rewriteUUID} = $_[1] }, %remote_opts ); my %cmt_opts = ( 'edit|e' => \$_edit, 'rmdir' => \$SVN::Git::Editor::_rmdir, @@ -131,6 +140,10 @@ my %cmd = ( %fc_opts } ], clone => [ \&cmd_clone, "Initialize and fetch revisions", { 'revision|r=s' => \$_revision, + 'preserve-empty-dirs' => + \$SVN::Git::Fetcher::_preserve_empty_dirs, + 'placeholder-filename=s' => + \$SVN::Git::Fetcher::_placeholder_filename, %fc_opts, %init_opts } ], init => [ \&cmd_init, "Initialize a repo for tracking" . " (requires URL argument)", @@ -149,18 +162,24 @@ my %cmd = ( 'commit-url=s' => \$_commit_url, 'revision|r=i' => \$_revision, 'no-rebase' => \$_no_rebase, + 'mergeinfo=s' => \$_merge_info, + 'interactive|i' => \$_interactive, %cmt_opts, %fc_opts } ], branch => [ \&cmd_branch, 'Create a branch in the SVN repository', { 'message|m=s' => \$_message, 'destination|d=s' => \$_branch_dest, 'dry-run|n' => \$_dry_run, - 'tag|t' => \$_tag } ], + 'tag|t' => \$_tag, + 'username=s' => \$Git::SVN::Prompt::_username, + 'commit-url=s' => \$_commit_url } ], tag => [ sub { $_tag = 1; cmd_branch(@_) }, 'Create a tag in the SVN repository', { 'message|m=s' => \$_message, 'destination|d=s' => \$_branch_dest, - 'dry-run|n' => \$_dry_run } ], + 'dry-run|n' => \$_dry_run, + 'username=s' => \$Git::SVN::Prompt::_username, + 'commit-url=s' => \$_commit_url } ], 'set-tree' => [ \&cmd_set_tree, "Set an SVN repository to a git tree-ish", { 'stdin' => \$_stdin, %cmt_opts, %fc_opts, } ], @@ -238,6 +257,27 @@ my %cmd = ( {} ], ); +use Term::ReadLine; +package FakeTerm; +sub new { + my ($class, $reason) = @_; + return bless \$reason, shift; +} +sub readline { + my $self = shift; + die "Cannot use readline on FakeTerm: $$self"; +} +package main; + +my $term = eval { + $ENV{"GIT_SVN_NOTTY"} + ? new Term::ReadLine 'git-svn', \*STDIN, \*STDOUT + : new Term::ReadLine 'git-svn'; +}; +if ($@) { + $term = new FakeTerm "$@: going non-interactive"; +} + my $cmd; for (my $i = 0; $i < @ARGV; $i++) { if (defined $cmd{$ARGV[$i]}) { @@ -281,7 +321,7 @@ read_git_config(\%opts); if ($cmd && ($cmd eq 'log' || $cmd eq 'blame')) { Getopt::Long::Configure('pass_through'); } -my $rv = GetOptions(%opts, 'help|H|h' => \$_help, 'version|V' => \$_version, +my $rv = GetOptions(%opts, 'h|H' => \$_help, 'version|V' => \$_version, 'minimize-connections' => \$Git::SVN::Migration::_minimize, 'id|i=s' => \$Git::SVN::default_ref_id, 'svn-remote|remote|R=s' => sub { @@ -343,10 +383,41 @@ information. } sub version { + ::_req_svn(); print "git-svn version $VERSION (svn $SVN::Core::VERSION)\n"; exit 0; } +sub ask { + my ($prompt, %arg) = @_; + my $valid_re = $arg{valid_re}; + my $default = $arg{default}; + my $resp; + my $i = 0; + + if ( !( defined($term->IN) + && defined( fileno($term->IN) ) + && defined( $term->OUT ) + && defined( fileno($term->OUT) ) ) ){ + return defined($default) ? $default : undef; + } + + while ($i++ < 10) { + $resp = $term->readline($prompt); + if (!defined $resp) { # EOF + print "\n"; + return defined $default ? $default : undef; + } + if ($resp eq '' and defined $default) { + return $default; + } + if (!defined $valid_re or $resp =~ /$valid_re/) { + return $resp; + } + } + return undef; +} + sub do_git_init_db { unless (-d $ENV{GIT_DIR}) { my @init_db = ('init'); @@ -361,7 +432,6 @@ sub do_git_init_db { command_noisy(@init_db); $_repository = Git->repository(Repository => ".git"); } - command_noisy('config', 'core.autocrlf', 'false'); my $set; my $pfx = "svn-remote.$Git::SVN::default_repo_id"; foreach my $i (keys %icv) { @@ -370,9 +440,18 @@ sub do_git_init_db { command_noisy('config', "$pfx.$i", $icv{$i}); $set = $i; } - my $ignore_regex = \$SVN::Git::Fetcher::_ignore_regex; - command_noisy('config', "$pfx.ignore-paths", $$ignore_regex) - if defined $$ignore_regex; + my $ignore_paths_regex = \$SVN::Git::Fetcher::_ignore_regex; + command_noisy('config', "$pfx.ignore-paths", $$ignore_paths_regex) + if defined $$ignore_paths_regex; + my $ignore_refs_regex = \$Git::SVN::Ra::_ignore_refs_regex; + command_noisy('config', "$pfx.ignore-refs", $$ignore_refs_regex) + if defined $$ignore_refs_regex; + + if (defined $SVN::Git::Fetcher::_preserve_empty_dirs) { + my $fname = \$SVN::Git::Fetcher::_placeholder_filename; + command_noisy('config', "$pfx.preserve-empty-dirs", 'true'); + command_noisy('config', "$pfx.placeholder-filename", $$fname); + } } sub init_subdir { @@ -484,8 +563,198 @@ sub cmd_set_tree { unlink $gs->{index}; } +sub split_merge_info_range { + my ($range) = @_; + if ($range =~ /(\d+)-(\d+)/) { + return (int($1), int($2)); + } else { + return (int($range), int($range)); + } +} + +sub combine_ranges { + my ($in) = @_; + + my @fnums = (); + my @arr = split(/,/, $in); + for my $element (@arr) { + my ($start, $end) = split_merge_info_range($element); + push @fnums, $start; + } + + my @sorted = @arr [ sort { + $fnums[$a] <=> $fnums[$b] + } 0..$#arr ]; + + my @return = (); + my $last = -1; + my $first = -1; + for my $element (@sorted) { + my ($start, $end) = split_merge_info_range($element); + + if ($last == -1) { + $first = $start; + $last = $end; + next; + } + if ($start <= $last+1) { + if ($end > $last) { + $last = $end; + } + next; + } + if ($first == $last) { + push @return, "$first"; + } else { + push @return, "$first-$last"; + } + $first = $start; + $last = $end; + } + + if ($first != -1) { + if ($first == $last) { + push @return, "$first"; + } else { + push @return, "$first-$last"; + } + } + + return join(',', @return); +} + +sub merge_revs_into_hash { + my ($hash, $minfo) = @_; + my @lines = split(' ', $minfo); + + for my $line (@lines) { + my ($branchpath, $revs) = split(/:/, $line); + + if (exists($hash->{$branchpath})) { + # Merge the two revision sets + my $combined = "$hash->{$branchpath},$revs"; + $hash->{$branchpath} = combine_ranges($combined); + } else { + # Just do range combining for consolidation + $hash->{$branchpath} = combine_ranges($revs); + } + } +} + +sub merge_merge_info { + my ($mergeinfo_one, $mergeinfo_two) = @_; + my %result_hash = (); + + merge_revs_into_hash(\%result_hash, $mergeinfo_one); + merge_revs_into_hash(\%result_hash, $mergeinfo_two); + + my $result = ''; + # Sort below is for consistency's sake + for my $branchname (sort keys(%result_hash)) { + my $revlist = $result_hash{$branchname}; + $result .= "$branchname:$revlist\n" + } + return $result; +} + +sub populate_merge_info { + my ($d, $gs, $uuid, $linear_refs, $rewritten_parent) = @_; + + my %parentshash; + read_commit_parents(\%parentshash, $d); + my @parents = @{$parentshash{$d}}; + if ($#parents > 0) { + # Merge commit + my $all_parents_ok = 1; + my $aggregate_mergeinfo = ''; + my $rooturl = $gs->repos_root; + + if (defined($rewritten_parent)) { + # Replace first parent with newly-rewritten version + shift @parents; + unshift @parents, $rewritten_parent; + } + + foreach my $parent (@parents) { + my ($branchurl, $svnrev, $paruuid) = + cmt_metadata($parent); + + unless (defined($svnrev)) { + # Should have been caught be preflight check + fatal "merge commit $d has ancestor $parent, but that change " + ."does not have git-svn metadata!"; + } + unless ($branchurl =~ /^\Q$rooturl\E(.*)/) { + fatal "commit $parent git-svn metadata changed mid-run!"; + } + my $branchpath = $1; + + my $ra = Git::SVN::Ra->new($branchurl); + my (undef, undef, $props) = + $ra->get_dir(canonicalize_path("."), $svnrev); + my $par_mergeinfo = $props->{'svn:mergeinfo'}; + unless (defined $par_mergeinfo) { + $par_mergeinfo = ''; + } + # Merge previous mergeinfo values + $aggregate_mergeinfo = + merge_merge_info($aggregate_mergeinfo, + $par_mergeinfo, 0); + + next if $parent eq $parents[0]; # Skip first parent + # Add new changes being placed in tree by merge + my @cmd = (qw/rev-list --reverse/, + $parent, qw/--not/); + foreach my $par (@parents) { + unless ($par eq $parent) { + push @cmd, $par; + } + } + my @revsin = (); + my ($revlist, $ctx) = command_output_pipe(@cmd); + while (<$revlist>) { + my $irev = $_; + chomp $irev; + my (undef, $csvnrev, undef) = + cmt_metadata($irev); + unless (defined $csvnrev) { + # A child is missing SVN annotations... + # this might be OK, or might not be. + warn "W:child $irev is merged into revision " + ."$d but does not have git-svn metadata. " + ."This means git-svn cannot determine the " + ."svn revision numbers to place into the " + ."svn:mergeinfo property. You must ensure " + ."a branch is entirely committed to " + ."SVN before merging it in order for " + ."svn:mergeinfo population to function " + ."properly"; + } + push @revsin, $csvnrev; + } + command_close_pipe($revlist, $ctx); + + last unless $all_parents_ok; + + # We now have a list of all SVN revnos which are + # merged by this particular parent. Integrate them. + next if $#revsin == -1; + my $newmergeinfo = "$branchpath:" . join(',', @revsin); + $aggregate_mergeinfo = + merge_merge_info($aggregate_mergeinfo, + $newmergeinfo, 1); + } + if ($all_parents_ok and $aggregate_mergeinfo) { + return $aggregate_mergeinfo; + } + } + + return undef; +} + sub cmd_dcommit { my $head = shift; + command_noisy(qw/update-index --refresh/); git_cmd_try { command_oneline(qw/diff-index --quiet HEAD/) } 'Cannot dcommit with a dirty index. Commit your changes first, ' . "or stash them with `git stash'.\n"; @@ -517,7 +786,7 @@ sub cmd_dcommit { $url = eval { command_oneline('config', '--get', "svn-remote.$gs->{repo_id}.commiturl") }; if (!$url) { - $url = $gs->full_url + $url = $gs->full_pushurl } } @@ -532,8 +801,88 @@ sub cmd_dcommit { "If these changes depend on each other, re-running ", "without --no-rebase may be required." } + + if (defined $_interactive){ + my $ask_default = "y"; + foreach my $d (@$linear_refs){ + my ($fh, $ctx) = command_output_pipe(qw(show --summary), "$d"); + while (<$fh>){ + print $_; + } + command_close_pipe($fh, $ctx); + $_ = ask("Commit this patch to SVN? ([y]es (default)|[n]o|[q]uit|[a]ll): ", + valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i, + default => $ask_default); + die "Commit this patch reply required" unless defined $_; + if (/^[nq]/i) { + exit(0); + } elsif (/^a/i) { + last; + } + } + } + my $expect_url = $url; + + my $push_merge_info = eval { + command_oneline(qw/config --get svn.pushmergeinfo/) + }; + if (not defined($push_merge_info) + or $push_merge_info eq "false" + or $push_merge_info eq "no" + or $push_merge_info eq "never") { + $push_merge_info = 0; + } + + unless (defined($_merge_info) || ! $push_merge_info) { + # Preflight check of changes to ensure no issues with mergeinfo + # This includes check for uncommitted-to-SVN parents + # (other than the first parent, which we will handle), + # information from different SVN repos, and paths + # which are not underneath this repository root. + my $rooturl = $gs->repos_root; + foreach my $d (@$linear_refs) { + my %parentshash; + read_commit_parents(\%parentshash, $d); + my @realparents = @{$parentshash{$d}}; + if ($#realparents > 0) { + # Merge commit + shift @realparents; # Remove/ignore first parent + foreach my $parent (@realparents) { + my ($branchurl, $svnrev, $paruuid) = cmt_metadata($parent); + unless (defined $paruuid) { + # A parent is missing SVN annotations... + # abort the whole operation. + fatal "$parent is merged into revision $d, " + ."but does not have git-svn metadata. " + ."Either dcommit the branch or use a " + ."local cherry-pick, FF merge, or rebase " + ."instead of an explicit merge commit."; + } + + unless ($paruuid eq $uuid) { + # Parent has SVN metadata from different repository + fatal "merge parent $parent for change $d has " + ."git-svn uuid $paruuid, while current change " + ."has uuid $uuid!"; + } + + unless ($branchurl =~ /^\Q$rooturl\E(.*)/) { + # This branch is very strange indeed. + fatal "merge parent $parent for $d is on branch " + ."$branchurl, which is not under the " + ."git-svn root $rooturl!"; + } + } + } + } + } + + my $rewritten_parent; Git::SVN::remove_username($expect_url); + if (defined($_merge_info)) { + $_merge_info =~ tr{ }{\n}; + } while (1) { my $d = shift @$linear_refs or last; unless (defined $last_rev) { @@ -547,6 +896,14 @@ sub cmd_dcommit { print "diff-tree $d~1 $d\n"; } else { my $cmt_rev; + + unless (defined($_merge_info) || ! $push_merge_info) { + $_merge_info = populate_merge_info($d, $gs, + $uuid, + $linear_refs, + $rewritten_parent); + } + my %ed_opts = ( r => $last_rev, log => get_commit_entry($d)->{log}, ra => Git::SVN::Ra->new($url), @@ -559,6 +916,7 @@ sub cmd_dcommit { print "Committed r$_[0]\n"; $cmt_rev = $_[0]; }, + mergeinfo => $_merge_info, svn_path => ''); if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) { print "No changes\n$d~1 == $d\n"; @@ -588,6 +946,9 @@ sub cmd_dcommit { @finish = qw/reset --mixed/; } command_noisy(@finish, $gs->refname); + + $rewritten_parent = command_oneline(qw/rev-parse HEAD/); + if (@diff) { @refs = (); my ($url_, $rev_, $uuid_, $gs_) = @@ -664,7 +1025,7 @@ sub cmd_branch { $head ||= 'HEAD'; my (undef, $rev, undef, $gs) = working_head_info($head); - my $src = $gs->full_url; + my $src = $gs->full_pushurl; my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}}; my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' }; @@ -708,7 +1069,23 @@ sub cmd_branch { } } my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/}; - my $dst = join '/', $remote->{url}, $lft, $branch_name, ($rgt || ()); + my $url; + if (defined $_commit_url) { + $url = $_commit_url; + } else { + $url = eval { command_oneline('config', '--get', + "svn-remote.$gs->{repo_id}.commiturl") }; + if (!$url) { + $url = $remote->{pushurl} || $remote->{url}; + } + } + my $dst = join '/', $url, $lft, $branch_name, ($rgt || ()); + + if ($dst =~ /^https:/ && $src =~ /^http:/) { + $src=~s/^http:/https:/; + } + + ::_req_svn(); my $ctx = SVN::Client->new( auth => Git::SVN::Ra::_auth_providers(), @@ -753,6 +1130,15 @@ sub cmd_find_rev { print "$result\n" if $result; } +sub auto_create_empty_directories { + my ($gs) = @_; + my $var = eval { command_oneline('config', '--get', '--bool', + "svn-remote.$gs->{repo_id}.automkdirs") }; + # By default, create empty directories by consulting the unhandled log, + # but allow setting it to 'false' to skip it. + return !($var && $var eq 'false'); +} + sub cmd_rebase { command_noisy(qw/update-index --refresh/); my ($url, $rev, $uuid, $gs) = working_head_info('HEAD'); @@ -776,7 +1162,9 @@ sub cmd_rebase { $_fetch_all ? $gs->fetch_all : $gs->fetch; } command_noisy(rebase_cmd(), $gs->refname); - $gs->mkemptydirs; + if (auto_create_empty_directories($gs)) { + $gs->mkemptydirs; + } } sub cmd_show_ignore { @@ -939,6 +1327,7 @@ sub cmd_multi_init { } do_git_init_db(); if (defined $_trunk) { + $_trunk =~ s#^/+##; my $trunk_ref = 'refs/remotes/' . $_prefix . 'trunk'; # try both old-style and new-style lookups: my $gs_trunk = eval { Git::SVN->new($trunk_ref) }; @@ -1078,6 +1467,7 @@ sub cmd_info { if ($@) { $result .= "Repository Root: (offline)\n"; } + ::_req_svn(); $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" && ($SVN::Core::VERSION le '1.5.4' || $file_type ne "dir"); $result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n"; @@ -1160,6 +1550,7 @@ sub cmd_reset { "history\n"; } my ($r, $c) = $gs->find_rev_before($target, not $_fetch_parent); + die "Cannot find SVN revision $target\n" unless defined($c); $gs->rev_map_set($r, $c, 'reset', $uuid); print "r$r = $c ($gs->{ref_id})\n"; } @@ -1211,7 +1602,9 @@ sub post_fetch_checkout { command_noisy(qw/read-tree -m -u -v HEAD HEAD/); print STDERR "Checked out HEAD:\n ", $gs->full_url, " r", $gs->last_rev, "\n"; - $gs->mkemptydirs($gs->last_rev); + if (auto_create_empty_directories($gs)) { + $gs->mkemptydirs($gs->last_rev); + } } sub complete_svn_url { @@ -1485,7 +1878,8 @@ sub cmt_sha2rev_batch { sub working_head_info { my ($head, $refs) = @_; - my @args = ('log', '--no-color', '--first-parent', '--pretty=medium'); + my @args = qw/log --no-color --no-decorate --first-parent + --pretty=medium/; my ($fh, $ctx) = command_output_pipe(@args, $head); my $hash; my %max; @@ -1636,6 +2030,7 @@ use File::Path qw/mkpath/; use File::Copy qw/copy/; use IPC::Open3; use Memoize; # core since 5.8.0, Jul 2002 +use Memoize::Storable; my ($_gc_nr, $_gc_period); @@ -1791,23 +2186,29 @@ sub read_all_remotes { die("svn-remote.$remote: remote ref '$remote_ref' " . "must start with 'refs/'\n") unless $remote_ref =~ m{^refs/}; + $local_ref = uri_decode($local_ref); $r->{$remote}->{fetch}->{$local_ref} = $remote_ref; $r->{$remote}->{svm} = {} if $use_svm_props; } elsif (m!^(.+)\.usesvmprops=\s*(.*)\s*$!) { $r->{$1}->{svm} = {}; } elsif (m!^(.+)\.url=\s*(.*)\s*$!) { $r->{$1}->{url} = $2; + } elsif (m!^(.+)\.pushurl=\s*(.*)\s*$!) { + $r->{$1}->{pushurl} = $2; + } elsif (m!^(.+)\.ignore-refs=\s*(.*)\s*$!) { + $r->{$1}->{ignore_refs_regex} = $2; } elsif (m!^(.+)\.(branches|tags)=$svn_refspec$!) { my ($remote, $t, $local_ref, $remote_ref) = ($1, $2, $3, $4); die("svn-remote.$remote: remote ref '$remote_ref' ($t) " . "must start with 'refs/'\n") unless $remote_ref =~ m{^refs/}; + $local_ref = uri_decode($local_ref); my $rs = { t => $t, remote => $remote, - path => Git::SVN::GlobSpec->new($local_ref), - ref => Git::SVN::GlobSpec->new($remote_ref) }; + path => Git::SVN::GlobSpec->new($local_ref, 1), + ref => Git::SVN::GlobSpec->new($remote_ref, 0) }; if (length($rs->{ref}->{right}) != 0) { die "The '*' glob character must be the last ", "character of '$remote_ref'\n"; @@ -1832,6 +2233,16 @@ sub read_all_remotes { } } keys %$r; + foreach my $remote (keys %$r) { + foreach ( grep { defined $_ } + map { $r->{$remote}->{$_} } qw(branches tags) ) { + foreach my $rs ( @$_ ) { + $rs->{ignore_refs_regex} = + $r->{$remote}->{ignore_refs_regex}; + } + } + } + $r; } @@ -2027,9 +2438,14 @@ sub new { "\":$ref_id\$\" in config\n"; ($self->{path}, undef) = split(/\s*:\s*/, $fetch); } + $self->{path} =~ s{/+}{/}g; + $self->{path} =~ s{\A/}{}; + $self->{path} =~ s{/\z}{}; $self->{url} = command_oneline('config', '--get', "svn-remote.$repo_id.url") or die "Failed to read \"svn-remote.$repo_id.url\" in config\n"; + $self->{pushurl} = eval { command_oneline('config', '--get', + "svn-remote.$repo_id.pushurl") }; $self->rebuild; $self; } @@ -2060,6 +2476,14 @@ sub refname { # .. becomes %2E%2E $refname =~ s{\.\.}{%2E%2E}g; + # trailing dots and .lock are not allowed + # .$ becomes %2E and .lock becomes %2Elock + $refname =~ s{\.(?=$|lock$)}{%2E}; + + # the sequence @{ is used to access the reflog + # @{ becomes %40{ + $refname =~ s{\@\{}{%40\{}g; + return $refname; } @@ -2189,6 +2613,10 @@ sub svnsync { die "Can't have both 'useSvnsyncProps' and 'rewriteRoot' ", "options set!\n"; } + if ($self->rewrite_uuid) { + die "Can't have both 'useSvnsyncProps' and 'rewriteUUID' ", + "options set!\n"; + } my $svnsync; # see if we have it in our config, first: @@ -2470,6 +2898,20 @@ sub rewrite_root { $self->{-rewrite_root} = $rwr; } +sub rewrite_uuid { + my ($self) = @_; + return $self->{-rewrite_uuid} if exists $self->{-rewrite_uuid}; + my $k = "svn-remote.$self->{repo_id}.rewriteUUID"; + my $rwid = eval { command_oneline(qw/config --get/, $k) }; + if ($rwid) { + $rwid =~ s#/+$##; + if ($rwid !~ m#^[a-f0-9]{8}-(?:[a-f0-9]{4}-){3}[a-f0-9]{12}$#) { + die "$rwid is not a valid UUID (key: $k)\n"; + } + } + $self->{-rewrite_uuid} = $rwid; +} + sub metadata_url { my ($self) = @_; ($self->rewrite_root || $self->{url}) . @@ -2481,6 +2923,15 @@ sub full_url { $self->{url} . (length $self->{path} ? '/' . $self->{path} : ''); } +sub full_pushurl { + my ($self) = @_; + if ($self->{pushurl}) { + return $self->{pushurl} . (length $self->{path} ? '/' . + $self->{path} : ''); + } else { + return $self->full_url; + } +} sub set_commit_header_env { my ($log_entry) = @_; @@ -2783,8 +3234,9 @@ sub mkemptydirs { foreach my $d (sort keys %empty_dirs) { $d = uri_decode($d); $d =~ s/$strip//; + next unless length($d); next if -d $d; - if (-e _) { + if (-e $d) { warn "$d exists but is not a directory\n"; } else { print "creating empty directory: $d\n"; @@ -2898,18 +3350,29 @@ sub other_gs { my $gs = Git::SVN->find_by_url($new_url, $url, $branch_from); unless ($gs) { my $ref_id = $old_ref_id; - $ref_id =~ s/\@\d+$//; + $ref_id =~ s/\@\d+-*$//; $ref_id .= "\@$r"; # just grow a tail if we're not unique enough :x $ref_id .= '-' while find_ref($ref_id); - print STDERR "Initializing parent: $ref_id\n" unless $::_q > 1; my ($u, $p, $repo_id) = ($new_url, '', $ref_id); if ($u =~ s#^\Q$url\E(/|$)##) { $p = $u; $u = $url; $repo_id = $self->{repo_id}; } - $gs = Git::SVN->init($u, $p, $repo_id, $ref_id, 1); + while (1) { + # It is possible to tag two different subdirectories at + # the same revision. If the url for an existing ref + # does not match, we must either find a ref with a + # matching url or create a new ref by growing a tail. + $gs = Git::SVN->init($u, $p, $repo_id, $ref_id, 1); + my (undef, $max_commit) = $gs->rev_map_max(1); + last if (!$max_commit); + my ($url) = ::cmt_metadata($max_commit); + last if ($url eq $gs->metadata_url); + $ref_id .= '-'; + } + print STDERR "Initializing parent: $ref_id\n" unless $::_q > 1; } $gs } @@ -2954,7 +3417,7 @@ sub find_extra_svk_parents { for my $ticket ( @tickets ) { my ($uuid, $path, $rev) = split /:/, $ticket; if ( $uuid eq $self->ra_uuid ) { - my $url = $self->rewrite_root || $self->{url}; + my $url = $self->{url}; my $repos_root = $url; my $branch_from = $path; $branch_from =~ s{^/}{}; @@ -3019,8 +3482,12 @@ sub lookup_svn_merge { next; } - push @merged_commit_ranges, - "$bottom_commit^..$top_commit"; + if (scalar(command('rev-parse', "$bottom_commit^@"))) { + push @merged_commit_ranges, + "$bottom_commit^..$top_commit"; + } else { + push @merged_commit_ranges, "$top_commit"; + } if ( !defined $tip or $top > $tip ) { $tip = $top; @@ -3046,18 +3513,90 @@ sub _rev_list { sub check_cherry_pick { my $base = shift; my $tip = shift; + my $parents = shift; my @ranges = @_; my %commits = map { $_ => 1 } - _rev_list("--no-merges", $tip, "--not", $base); + _rev_list("--no-merges", $tip, "--not", $base, @$parents, "--"); for my $range ( @ranges ) { - delete @commits{_rev_list($range)}; + delete @commits{_rev_list($range, "--")}; + } + for my $commit (keys %commits) { + if (has_no_changes($commit)) { + delete $commits{$commit}; + } } return (keys %commits); } -BEGIN { - memoize 'lookup_svn_merge'; - memoize 'check_cherry_pick'; +sub has_no_changes { + my $commit = shift; + + my @revs = split / /, command_oneline( + qw(rev-list --parents -1 -m), $commit); + + # Commits with no parents, e.g. the start of a partial branch, + # have changes by definition. + return 1 if (@revs < 2); + + # Commits with multiple parents, e.g a merge, have no changes + # by definition. + return 0 if (@revs > 2); + + return (command_oneline("rev-parse", "$commit^{tree}") eq + command_oneline("rev-parse", "$commit~1^{tree}")); +} + +# The GIT_DIR environment variable is not always set until after the command +# line arguments are processed, so we can't memoize in a BEGIN block. +{ + my $memoized = 0; + + sub memoize_svn_mergeinfo_functions { + return if $memoized; + $memoized = 1; + + my $cache_path = "$ENV{GIT_DIR}/svn/.caches/"; + mkpath([$cache_path]) unless -d $cache_path; + + tie my %lookup_svn_merge_cache => 'Memoize::Storable', + "$cache_path/lookup_svn_merge.db", 'nstore'; + memoize 'lookup_svn_merge', + SCALAR_CACHE => 'FAULT', + LIST_CACHE => ['HASH' => \%lookup_svn_merge_cache], + ; + + tie my %check_cherry_pick_cache => 'Memoize::Storable', + "$cache_path/check_cherry_pick.db", 'nstore'; + memoize 'check_cherry_pick', + SCALAR_CACHE => 'FAULT', + LIST_CACHE => ['HASH' => \%check_cherry_pick_cache], + ; + + tie my %has_no_changes_cache => 'Memoize::Storable', + "$cache_path/has_no_changes.db", 'nstore'; + memoize 'has_no_changes', + SCALAR_CACHE => ['HASH' => \%has_no_changes_cache], + LIST_CACHE => 'FAULT', + ; + } + + sub unmemoize_svn_mergeinfo_functions { + return if not $memoized; + $memoized = 0; + + Memoize::unmemoize 'lookup_svn_merge'; + Memoize::unmemoize 'check_cherry_pick'; + Memoize::unmemoize 'has_no_changes'; + } + + Memoize::memoize 'Git::SVN::repos_root'; +} + +END { + # Force cache writeout explicitly instead of waiting for + # global destruction to avoid segfault in Storable: + # http://rt.cpan.org/Public/Bug/Display.html?id=36087 + unmemoize_svn_mergeinfo_functions(); } sub parents_exclude { @@ -3101,13 +3640,15 @@ sub find_extra_svn_parents { my ($self, $ed, $mergeinfo, $parents) = @_; # aha! svk:merge property changed... + memoize_svn_mergeinfo_functions(); + # We first search for merged tips which are not in our # history. Then, we figure out which git revisions are in # that tip, but not this revision. If all of those revisions # are now marked as merge, we can add the tip as a parent. my @merges = split "\n", $mergeinfo; my @merge_tips; - my $url = $self->rewrite_root || $self->{url}; + my $url = $self->{url}; my $uuid = $self->ra_uuid; my %ranges; for my $merge ( @merges ) { @@ -3134,14 +3675,26 @@ sub find_extra_svn_parents { my $ranges = $ranges{$merge_tip}; # check out 'new' tips - my $merge_base = command_oneline( - "merge-base", - @$parents, $merge_tip, - ); + my $merge_base; + eval { + $merge_base = command_oneline( + "merge-base", + @$parents, $merge_tip, + ); + }; + if ($@) { + die "An error occurred during merge-base" + unless $@->isa("Git::Error::Command"); + + warn "W: Cannot find common ancestor between ". + "@$parents and $merge_tip. Ignoring merge info.\n"; + next; + } # double check that there are no missing non-merge commits my (@incomplete) = check_cherry_pick( $merge_base, $merge_tip, + $parents, @$ranges, ); @@ -3168,7 +3721,7 @@ sub find_extra_svn_parents { "$new_parents[$i]..$new_parents[$j]", ); if ( !$revs ) { - undef($new_parents[$i]); + undef($new_parents[$j]); } } } @@ -3253,6 +3806,10 @@ sub make_log_entry { die "Can't have both 'useSvmProps' and 'rewriteRoot' ", "options set!\n"; } + if ($self->rewrite_uuid) { + die "Can't have both 'useSvmProps' and 'rewriteUUID' ", + "options set!\n"; + } my ($uuid, $r) = $headrev =~ m{^([a-f\d\-]{30,}):(\d+)$}i; # we don't want "SVM: initializing mirror for junk" ... return undef if $r == 0; @@ -3283,10 +3840,10 @@ sub make_log_entry { } else { my $url = $self->metadata_url; remove_username($url); - $log_entry{metadata} = "$url\@$rev " . - $self->ra->get_uuid; - $email ||= "$author\@" . $self->ra->get_uuid; - $commit_email ||= "$author\@" . $self->ra->get_uuid; + my $uuid = $self->rewrite_uuid || $self->ra->get_uuid; + $log_entry{metadata} = "$url\@$rev " . $uuid; + $email ||= "$author\@" . $uuid; + $commit_email ||= "$author\@" . $uuid; } $log_entry{name} = $name; $log_entry{email} = $email; @@ -3368,7 +3925,7 @@ sub rebuild { '--'); my $metadata_url = $self->metadata_url; remove_username($metadata_url); - my $svn_uuid = $self->ra_uuid; + my $svn_uuid = $self->rewrite_uuid || $self->ra_uuid; my $c; while (<$log>) { if ( m{^commit ($::sha1)$} ) { @@ -3491,6 +4048,7 @@ sub mkfile { sub rev_map_set { my ($self, $rev, $commit, $update_ref, $uuid) = @_; + defined $commit or die "missing arg3\n"; length $commit == 40 or die "arg3 must be a full SHA1 hexsum\n"; my $db = $self->map_path($uuid); my $db_lock = "$db.lock"; @@ -3857,29 +4415,36 @@ sub username { sub _read_password { my ($prompt, $realm) = @_; - print STDERR $prompt; - STDERR->flush; - require Term::ReadKey; - Term::ReadKey::ReadMode('noecho'); my $password = ''; - while (defined(my $key = Term::ReadKey::ReadKey(0))) { - last if $key =~ /[\012\015]/; # \n\r - $password .= $key; + if (exists $ENV{GIT_ASKPASS}) { + open(PH, "-|", $ENV{GIT_ASKPASS}, $prompt); + $password = <PH>; + $password =~ s/[\012\015]//; # \n\r + close(PH); + } else { + print STDERR $prompt; + STDERR->flush; + require Term::ReadKey; + Term::ReadKey::ReadMode('noecho'); + while (defined(my $key = Term::ReadKey::ReadKey(0))) { + last if $key =~ /[\012\015]/; # \n\r + $password .= $key; + } + Term::ReadKey::ReadMode('restore'); + print STDERR "\n"; + STDERR->flush; } - Term::ReadKey::ReadMode('restore'); - print STDERR "\n"; - STDERR->flush; $password; } package SVN::Git::Fetcher; -use vars qw/@ISA/; +use vars qw/@ISA $_ignore_regex $_preserve_empty_dirs $_placeholder_filename + @deleted_gpath %added_placeholder $repo_id/; use strict; use warnings; use Carp qw/croak/; -use File::Temp qw/tempfile/; +use File::Basename qw/dirname/; use IO::File qw//; -use vars qw/$_ignore_regex/; # file baton members: path, mode_a, mode_b, pool, fh, blob, base sub new { @@ -3891,14 +4456,41 @@ sub new { $self->{empty_symlinks} = _mark_empty_symlinks($git_svn, $switch_path); } - $self->{ignore_regex} = eval { command_oneline('config', '--get', - "svn-remote.$git_svn->{repo_id}.ignore-paths") }; + + # some options are read globally, but can be overridden locally + # per [svn-remote "..."] section. Command-line options will *NOT* + # override options set in an [svn-remote "..."] section + $repo_id = $git_svn->{repo_id}; + my $k = "svn-remote.$repo_id.ignore-paths"; + my $v = eval { command_oneline('config', '--get', $k) }; + $self->{ignore_regex} = $v; + + $k = "svn-remote.$repo_id.preserve-empty-dirs"; + $v = eval { command_oneline('config', '--get', '--bool', $k) }; + if ($v && $v eq 'true') { + $_preserve_empty_dirs = 1; + $k = "svn-remote.$repo_id.placeholder-filename"; + $v = eval { command_oneline('config', '--get', $k) }; + $_placeholder_filename = $v; + } + + # Load the list of placeholder files added during previous invocations. + $k = "svn-remote.$repo_id.added-placeholder"; + $v = eval { command_oneline('config', '--get-all', $k) }; + if ($_preserve_empty_dirs && $v) { + # command() prints errors to stderr, so we only call it if + # command_oneline() succeeded. + my @v = command('config', '--get-all', $k); + $added_placeholder{ dirname($_) } = $_ foreach @v; + } + $self->{empty} = {}; $self->{dir_prop} = {}; $self->{file_prop} = {}; $self->{absent_dir} = {}; $self->{absent_file} = {}; $self->{gii} = $git_svn->tmp_index_do(sub { Git::IndexInfo->new }); + $self->{pathnameencoding} = Git::config('svn.pathnameencoding'); $self; } @@ -3982,6 +4574,10 @@ sub open_directory { sub git_path { my ($self, $path) = @_; + if (my $enc = $self->{pathnameencoding}) { + require Encode; + Encode::from_to($path, 'UTF-8', $enc); + } if ($self->{path_strip}) { $path =~ s!$self->{path_strip}!! or die "Failed to strip path '$path' ($self->{path_strip})\n"; @@ -4016,6 +4612,8 @@ sub delete_entry { $self->{gii}->remove($gpath); print "\tD\t$gpath\n" unless $::_q; } + # Don't add to @deleted_gpath if we're deleting a placeholder file. + push @deleted_gpath, $gpath unless $added_placeholder{dirname($path)}; $self->{empty}->{$path} = 0; undef; } @@ -4048,7 +4646,15 @@ sub add_file { my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#); delete $self->{empty}->{$dir}; $mode = '100644'; + + if ($added_placeholder{$dir}) { + # Remove our placeholder file, if we created one. + delete_entry($self, $added_placeholder{$dir}) + unless $path eq $added_placeholder{$dir}; + delete $added_placeholder{$dir} + } } + { path => $path, mode_a => $mode, mode_b => $mode, pool => SVN::Pool->new, action => 'A' }; } @@ -4066,6 +4672,7 @@ sub add_directory { chomp; $self->{gii}->remove($_); print "\tD\t$_\n" unless $::_q; + push @deleted_gpath, $gpath; } command_close_pipe($ls, $ctx); $self->{empty}->{$path} = 0; @@ -4073,6 +4680,13 @@ sub add_directory { my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#); delete $self->{empty}->{$dir}; $self->{empty}->{$path} = 1; + + if ($added_placeholder{$dir}) { + # Remove our placeholder file, if we created one. + delete_entry($self, $added_placeholder{$dir}); + delete $added_placeholder{$dir} + } + out: { path => $path }; } @@ -4236,12 +4850,96 @@ sub abort_edit { sub close_edit { my $self = shift; + + if ($_preserve_empty_dirs) { + my @empty_dirs; + + # Any entry flagged as empty that also has an associated + # dir_prop represents a newly created empty directory. + foreach my $i (keys %{$self->{empty}}) { + push @empty_dirs, $i if exists $self->{dir_prop}->{$i}; + } + + # Search for directories that have become empty due subsequent + # file deletes. + push @empty_dirs, $self->find_empty_directories(); + + # Finally, add a placeholder file to each empty directory. + $self->add_placeholder_file($_) foreach (@empty_dirs); + + $self->stash_placeholder_list(); + } + $self->{git_commit_ok} = 1; $self->{nr} = $self->{gii}->{nr}; delete $self->{gii}; $self->SUPER::close_edit(@_); } +sub find_empty_directories { + my ($self) = @_; + my @empty_dirs; + my %dirs = map { dirname($_) => 1 } @deleted_gpath; + + foreach my $dir (sort keys %dirs) { + next if $dir eq "."; + + # If there have been any additions to this directory, there is + # no reason to check if it is empty. + my $skip_added = 0; + foreach my $t (qw/dir_prop file_prop/) { + foreach my $path (keys %{ $self->{$t} }) { + if (exists $self->{$t}->{dirname($path)}) { + $skip_added = 1; + last; + } + } + last if $skip_added; + } + next if $skip_added; + + # Use `git ls-tree` to get the filenames of this directory + # that existed prior to this particular commit. + my $ls = command('ls-tree', '-z', '--name-only', + $self->{c}, "$dir/"); + my %files = map { $_ => 1 } split(/\0/, $ls); + + # Remove the filenames that were deleted during this commit. + delete $files{$_} foreach (@deleted_gpath); + + # Report the directory if there are no filenames left. + push @empty_dirs, $dir unless (scalar %files); + } + @empty_dirs; +} + +sub add_placeholder_file { + my ($self, $dir) = @_; + my $path = "$dir/$_placeholder_filename"; + my $gpath = $self->git_path($path); + + my $fh = $::_repository->temp_acquire($gpath); + my $hash = $::_repository->hash_and_insert_object(Git::temp_path($fh)); + Git::temp_release($fh, 1); + $self->{gii}->update('100644', $hash, $gpath) or croak $!; + + # The directory should no longer be considered empty. + delete $self->{empty}->{$dir} if exists $self->{empty}->{$dir}; + + # Keep track of any placeholder files we create. + $added_placeholder{$dir} = $path; +} + +sub stash_placeholder_list { + my ($self) = @_; + my $k = "svn-remote.$repo_id.added-placeholder"; + my $v = eval { command_oneline('config', '--get-all', $k) }; + command_noisy('config', '--unset-all', $k) if $v; + foreach (values %added_placeholder) { + command_noisy('config', '--add', $k, $_); + } +} + package SVN::Git::Editor; use vars qw/@ISA $_rmdir $_cp_similarity $_find_copies_harder $_rename_limit/; use strict; @@ -4277,6 +4975,7 @@ sub new { $self->{path_prefix} = length $self->{svn_path} ? "$self->{svn_path}/" : ''; $self->{config} = $opts->{config}; + $self->{mergeinfo} = $opts->{mergeinfo}; return $self; } @@ -4370,6 +5069,10 @@ sub split_path { sub repo_path { my ($self, $path) = @_; + if (my $enc = $self->{pathnameencoding}) { + require Encode; + Encode::from_to($path, $enc, 'UTF-8'); + } $self->{path_prefix}.(defined $path ? $path : ''); } @@ -4582,6 +5285,11 @@ sub change_file_prop { $self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool}); } +sub change_dir_prop { + my ($self, $pbat, $pname, $pval) = @_; + $self->SUPER::change_dir_prop($pbat, $pname, $pval, $self->{pool}); +} + sub _chg_file_get_blob ($$$$) { my ($self, $fbat, $m, $which) = @_; my $fh = $::_repository->temp_acquire("git_blob_$which"); @@ -4675,6 +5383,11 @@ sub apply_diff { fatal("Invalid change type: $f"); } } + + if (defined($self->{mergeinfo})) { + $self->change_dir_prop($self->{bat}{''}, "svn:mergeinfo", + $self->{mergeinfo}); + } $self->rmdirs if $_rmdir; if (@$mods == 0) { $self->abort_edit; @@ -4685,7 +5398,7 @@ sub apply_diff { } package Git::SVN::Ra; -use vars qw/@ISA $config_dir $_log_window_size/; +use vars qw/@ISA $config_dir $_ignore_refs_regex $_log_window_size/; use strict; use warnings; my ($ra_invalid, $can_do_switch, %ignored_err, $RA); @@ -4750,6 +5463,8 @@ sub new { $url =~ s!/+$!!; return $RA if ($RA && $RA->{url} eq $url); + ::_req_svn(); + SVN::_Core::svn_config_ensure($config_dir, undef); my ($baton, $callbacks) = SVN::Core::auth_open_helper(_auth_providers); my $config = SVN::Core::config_get_config($config_dir); @@ -5141,6 +5856,17 @@ sub get_dir_globbed { @finalents; } +# return value: 0 -- don't ignore, 1 -- ignore +sub is_ref_ignored { + my ($g, $p) = @_; + my $refname = $g->{ref}->full_path($p); + return 1 if defined($g->{ignore_refs_regex}) && + $refname =~ m!$g->{ignore_refs_regex}!; + return 0 unless defined($_ignore_refs_regex); + return 1 if $refname =~ m!$_ignore_refs_regex!o; + return 0; +} + sub match_globs { my ($self, $exists, $paths, $globs, $r) = @_; @@ -5157,6 +5883,7 @@ sub match_globs { next if (length $g->{path}->{right} && ($self->check_path($p, $r) != $SVN::Node::dir)); + next unless $p =~ /$g->{path}->{regex}/; $exists->{$p} = Git::SVN->init($self->{url}, $p, undef, $g->{ref}->full_path($de), 1); } @@ -5176,6 +5903,7 @@ sub match_globs { next unless /$g->{path}->{regex}/; my $p = $1; my $pathname = $g->{path}->full_path($p); + next if is_ref_ignored($g, $p); next if $exists->{$pathname}; next if ($self->check_path($pathname, $r) != $SVN::Node::dir); @@ -5349,7 +6077,12 @@ sub git_svn_log_cmd { # adapted from pager.c sub config_pager { - chomp(my $pager = command_oneline(qw(var GIT_PAGER))); + if (! -t *STDOUT) { + $ENV{GIT_PAGER_IN_USE} = 'false'; + $pager = undef; + return; + } + chomp($pager = command_oneline(qw(var GIT_PAGER))); if ($pager eq 'cat') { $pager = undef; } @@ -5357,7 +6090,7 @@ sub config_pager { } sub run_pager { - return unless -t *STDOUT && defined $pager; + return unless defined $pager; pipe my ($rfd, $wfd) or return; defined(my $pid = fork) or ::fatal "Can't fork: $!"; if (!$pid) { @@ -5535,7 +6268,7 @@ sub cmd_show_log { my (@k, $c, $d, $stat); my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/; while (<$log>) { - if (/^${esc_color}commit -?($::sha1_short)/o) { + if (/^${esc_color}commit (?:- )?($::sha1_short)/o) { my $cmt = $1; if ($c && cmt_showable($c) && $c->{r} != $r_last) { $r_last = $c->{r}; @@ -5930,29 +6663,48 @@ use strict; use warnings; sub new { - my ($class, $glob) = @_; + my ($class, $glob, $pattern_ok) = @_; my $re = $glob; $re =~ s!/+$!!g; # no need for trailing slashes - $re =~ m!^([^*]*)(\*(?:/\*)*)(.*)$!; - my $temp = $re; - my ($left, $right) = ($1, $3); - $re = $2; - my $depth = $re =~ tr/*/*/; - if ($depth != $temp =~ tr/*/*/) { - die "Only one set of wildcard directories " . - "(e.g. '*' or '*/*/*') is supported: '$glob'\n"; + my (@left, @right, @patterns); + my $state = "left"; + my $die_msg = "Only one set of wildcard directories " . + "(e.g. '*' or '*/*/*') is supported: '$glob'\n"; + for my $part (split(m|/|, $glob)) { + if ($part =~ /\*/ && $part ne "*") { + die "Invalid pattern in '$glob': $part\n"; + } elsif ($pattern_ok && $part =~ /[{}]/ && + $part !~ /^\{[^{}]+\}/) { + die "Invalid pattern in '$glob': $part\n"; + } + if ($part eq "*") { + die $die_msg if $state eq "right"; + $state = "pattern"; + push(@patterns, "[^/]*"); + } elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) { + die $die_msg if $state eq "right"; + $state = "pattern"; + my $p = quotemeta($1); + $p =~ s/\\,/|/g; + push(@patterns, "(?:$p)"); + } else { + if ($state eq "left") { + push(@left, $part); + } else { + push(@right, $part); + $state = "right"; + } + } } + my $depth = @patterns; if ($depth == 0) { - die "One '*' is needed for glob: '$glob'\n"; - } - $re =~ s!\*!\[^/\]*!g; - $re = quotemeta($left) . "($re)" . quotemeta($right); - if (length $left && !($left =~ s!/+$!!g)) { - die "Missing trailing '/' on left side of: '$glob' ($left)\n"; - } - if (length $right && !($right =~ s!^/+!!g)) { - die "Missing leading '/' on right side of: '$glob' ($right)\n"; + die "One '*' is needed in glob: '$glob'\n"; } + my $left = join('/', @left); + my $right = join('/', @right); + $re = join('/', @patterns); + $re = join('\/', + grep(length, quotemeta($left), "($re)", quotemeta($right))); my $left_re = qr/^\/\Q$left\E(\/|$)/; bless { left => $left, right => $right, left_regex => $left_re, regex => qr/$re/, glob => $glob, depth => $depth }, $class; |