diff options
Diffstat (limited to 'perl')
| -rw-r--r-- | perl/Git.pm | 292 | ||||
| -rw-r--r-- | perl/Git/SVN.pm | 23 | ||||
| -rw-r--r-- | perl/Git/SVN/Editor.pm | 7 | ||||
| -rw-r--r-- | perl/Git/SVN/Log.pm | 8 | ||||
| -rw-r--r-- | perl/Git/SVN/Prompt.pm | 34 | ||||
| -rw-r--r-- | perl/Git/SVN/Ra.pm | 2 | ||||
| -rw-r--r-- | perl/Git/SVN/Utils.pm | 2 |
7 files changed, 289 insertions, 79 deletions
diff --git a/perl/Git.pm b/perl/Git.pm index 497f420178..96cac39a4c 100644 --- a/perl/Git.pm +++ b/perl/Git.pm @@ -58,7 +58,9 @@ require Exporter; command_output_pipe command_input_pipe command_close_pipe command_bidi_pipe command_close_bidi_pipe version exec_path html_path hash_object git_cmd_try - remote_refs + remote_refs prompt + get_tz_offset + credential credential_read credential_write temp_acquire temp_release temp_reset temp_path); @@ -102,6 +104,7 @@ use Error qw(:try); use Cwd qw(abs_path cwd); use IPC::Open2 qw(open2); use Fcntl qw(SEEK_SET SEEK_CUR); +use Time::Local qw(timegm); } @@ -267,13 +270,13 @@ sub command { if (not defined wantarray) { # Nothing to pepper the possible exception with. - _cmd_close($fh, $ctx); + _cmd_close($ctx, $fh); } elsif (not wantarray) { local $/; my $text = <$fh>; try { - _cmd_close($fh, $ctx); + _cmd_close($ctx, $fh); } catch Git::Error::Command with { # Pepper with the output: my $E = shift; @@ -286,7 +289,7 @@ sub command { my @lines = <$fh>; defined and chomp for @lines; try { - _cmd_close($fh, $ctx); + _cmd_close($ctx, $fh); } catch Git::Error::Command with { my $E = shift; $E->{'-outputref'} = \@lines; @@ -313,7 +316,7 @@ sub command_oneline { my $line = <$fh>; defined $line and chomp $line; try { - _cmd_close($fh, $ctx); + _cmd_close($ctx, $fh); } catch Git::Error::Command with { # Pepper with the output: my $E = shift; @@ -381,7 +384,7 @@ have more complicated structure. sub command_close_pipe { my ($self, $fh, $ctx) = _maybe_self(@_); $ctx ||= '<unknown>'; - _cmd_close($fh, $ctx); + _cmd_close($ctx, $fh); } =item command_bidi_pipe ( COMMAND [, ARGUMENTS... ] ) @@ -418,7 +421,7 @@ and it is the fourth value returned by C<command_bidi_pipe()>. The call idiom is: my ($pid, $in, $out, $ctx) = $r->command_bidi_pipe('cat-file --batch-check'); - print "000000000\n" $out; + print $out "000000000\n"; while (<$in>) { ... } $r->command_close_bidi_pipe($pid, $in, $out, $ctx); @@ -426,23 +429,26 @@ Note that you should not rely on whatever actually is in C<CTX>; currently it is simply the command name but in future the context might have more complicated structure. +C<PIPE_IN> and C<PIPE_OUT> may be C<undef> if they have been closed prior to +calling this function. This may be useful in a query-response type of +commands where caller first writes a query and later reads response, eg: + + my ($pid, $in, $out, $ctx) = $r->command_bidi_pipe('cat-file --batch-check'); + print $out "000000000\n"; + close $out; + while (<$in>) { ... } + $r->command_close_bidi_pipe($pid, $in, undef, $ctx); + +This idiom may prevent potential dead locks caused by data sent to the output +pipe not being flushed and thus not reaching the executed command. + =cut sub command_close_bidi_pipe { local $?; - my ($pid, $in, $out, $ctx) = @_; - foreach my $fh ($in, $out) { - unless (close $fh) { - if ($!) { - carp "error closing pipe: $!"; - } elsif ($? >> 8) { - throw Git::Error::Command($ctx, $? >>8); - } - } - } - + my ($self, $pid, $in, $out, $ctx) = _maybe_self(@_); + _cmd_close($ctx, (grep { defined } ($in, $out))); waitpid $pid, 0; - if ($? >> 8) { throw Git::Error::Command($ctx, $? >>8); } @@ -512,6 +518,79 @@ C<git --html-path>). Useful mostly only internally. sub html_path { command_oneline('--html-path') } +=item get_tz_offset ( TIME ) + +Return the time zone offset from GMT in the form +/-HHMM where HH is +the number of hours from GMT and MM is the number of minutes. This is +the equivalent of what strftime("%z", ...) would provide on a GNU +platform. + +If TIME is not supplied, the current local time is used. + +=cut + +sub get_tz_offset { + # some systmes don't handle or mishandle %z, so be creative. + my $t = shift || time; + my $gm = timegm(localtime($t)); + my $sign = qw( + + - )[ $gm <=> $t ]; + return sprintf("%s%02d%02d", $sign, (gmtime(abs($t - $gm)))[2,1]); +} + + +=item prompt ( PROMPT , ISPASSWORD ) + +Query user C<PROMPT> and return answer from user. + +Honours GIT_ASKPASS and SSH_ASKPASS environment variables for querying +the user. If no *_ASKPASS variable is set or an error occoured, +the terminal is tried as a fallback. +If C<ISPASSWORD> is set and true, the terminal disables echo. + +=cut + +sub prompt { + my ($prompt, $isPassword) = @_; + my $ret; + if (exists $ENV{'GIT_ASKPASS'}) { + $ret = _prompt($ENV{'GIT_ASKPASS'}, $prompt); + } + if (!defined $ret && exists $ENV{'SSH_ASKPASS'}) { + $ret = _prompt($ENV{'SSH_ASKPASS'}, $prompt); + } + if (!defined $ret) { + print STDERR $prompt; + STDERR->flush; + if (defined $isPassword && $isPassword) { + require Term::ReadKey; + Term::ReadKey::ReadMode('noecho'); + $ret = ''; + while (defined(my $key = Term::ReadKey::ReadKey(0))) { + last if $key =~ /[\012\015]/; # \n\r + $ret .= $key; + } + Term::ReadKey::ReadMode('restore'); + print STDERR "\n"; + STDERR->flush; + } else { + chomp($ret = <STDIN>); + } + } + return $ret; +} + +sub _prompt { + my ($askpass, $prompt) = @_; + return unless length $askpass; + $prompt =~ s/\n/ /g; + my $ret; + open my $fh, "-|", $askpass, $prompt or return; + $ret = <$fh>; + $ret =~ s/[\015\012]//g; # strip \r\n, chomp does not work on all systems (i.e. windows) as expected + close ($fh); + return $ret; +} + =item repo_path () Return path to the git repository. Must be called on a repository instance. @@ -890,20 +969,22 @@ sub cat_blob { my $size = $1; my $blob; - my $bytesRead = 0; + my $bytesLeft = $size; while (1) { - my $bytesLeft = $size - $bytesRead; last unless $bytesLeft; my $bytesToRead = $bytesLeft < 1024 ? $bytesLeft : 1024; - my $read = read($in, $blob, $bytesToRead, $bytesRead); + my $read = read($in, $blob, $bytesToRead); unless (defined($read)) { $self->_close_cat_blob(); throw Error::Simple("in pipe went bad"); } - - $bytesRead += $read; + unless (print $fh $blob) { + $self->_close_cat_blob(); + throw Error::Simple("couldn't write to passed in filehandle"); + } + $bytesLeft -= $read; } # Skip past the trailing newline. @@ -918,11 +999,6 @@ sub cat_blob { throw Error::Simple("didn't find newline after blob"); } - unless (print $fh $blob) { - $self->_close_cat_blob(); - throw Error::Simple("couldn't write to passed in filehandle"); - } - return $size; } @@ -948,6 +1024,156 @@ sub _close_cat_blob { } +=item credential_read( FILEHANDLE ) + +Reads credential key-value pairs from C<FILEHANDLE>. Reading stops at EOF or +when an empty line is encountered. Each line must be of the form C<key=value> +with a non-empty key. Function returns hash with all read values. Any white +space (other than new-line character) is preserved. + +=cut + +sub credential_read { + my ($self, $reader) = _maybe_self(@_); + my %credential; + while (<$reader>) { + chomp; + if ($_ eq '') { + last; + } elsif (!/^([^=]+)=(.*)$/) { + throw Error::Simple("unable to parse git credential data:\n$_"); + } + $credential{$1} = $2; + } + return %credential; +} + +=item credential_write( FILEHANDLE, CREDENTIAL_HASHREF ) + +Writes credential key-value pairs from hash referenced by +C<CREDENTIAL_HASHREF> to C<FILEHANDLE>. Keys and values cannot contain +new-lines or NUL bytes characters, and key cannot contain equal signs nor be +empty (if they do Error::Simple is thrown). Any white space is preserved. If +value for a key is C<undef>, it will be skipped. + +If C<'url'> key exists it will be written first. (All the other key-value +pairs are written in sorted order but you should not depend on that). Once +all lines are written, an empty line is printed. + +=cut + +sub credential_write { + my ($self, $writer, $credential) = _maybe_self(@_); + my ($key, $value); + + # Check if $credential is valid prior to writing anything + while (($key, $value) = each %$credential) { + if (!defined $key || !length $key) { + throw Error::Simple("credential key empty or undefined"); + } elsif ($key =~ /[=\n\0]/) { + throw Error::Simple("credential key contains invalid characters: $key"); + } elsif (defined $value && $value =~ /[\n\0]/) { + throw Error::Simple("credential value for key=$key contains invalid characters: $value"); + } + } + + for $key (sort { + # url overwrites other fields, so it must come first + return -1 if $a eq 'url'; + return 1 if $b eq 'url'; + return $a cmp $b; + } keys %$credential) { + if (defined $credential->{$key}) { + print $writer $key, '=', $credential->{$key}, "\n"; + } + } + print $writer "\n"; +} + +sub _credential_run { + my ($self, $credential, $op) = _maybe_self(@_); + my ($pid, $reader, $writer, $ctx) = command_bidi_pipe('credential', $op); + + credential_write $writer, $credential; + close $writer; + + if ($op eq "fill") { + %$credential = credential_read $reader; + } + if (<$reader>) { + throw Error::Simple("unexpected output from git credential $op response:\n$_\n"); + } + + command_close_bidi_pipe($pid, $reader, undef, $ctx); +} + +=item credential( CREDENTIAL_HASHREF [, OPERATION ] ) + +=item credential( CREDENTIAL_HASHREF, CODE ) + +Executes C<git credential> for a given set of credentials and specified +operation. In both forms C<CREDENTIAL_HASHREF> needs to be a reference to +a hash which stores credentials. Under certain conditions the hash can +change. + +In the first form, C<OPERATION> can be C<'fill'>, C<'approve'> or C<'reject'>, +and function will execute corresponding C<git credential> sub-command. If +it's omitted C<'fill'> is assumed. In case of C<'fill'> the values stored in +C<CREDENTIAL_HASHREF> will be changed to the ones returned by the C<git +credential fill> command. The usual usage would look something like: + + my %cred = ( + 'protocol' => 'https', + 'host' => 'example.com', + 'username' => 'bob' + ); + Git::credential \%cred; + if (try_to_authenticate($cred{'username'}, $cred{'password'})) { + Git::credential \%cred, 'approve'; + ... do more stuff ... + } else { + Git::credential \%cred, 'reject'; + } + +In the second form, C<CODE> needs to be a reference to a subroutine. The +function will execute C<git credential fill> to fill the provided credential +hash, then call C<CODE> with C<CREDENTIAL_HASHREF> as the sole argument. If +C<CODE>'s return value is defined, the function will execute C<git credential +approve> (if return value yields true) or C<git credential reject> (if return +value is false). If the return value is undef, nothing at all is executed; +this is useful, for example, if the credential could neither be verified nor +rejected due to an unrelated network error. The return value is the same as +what C<CODE> returns. With this form, the usage might look as follows: + + if (Git::credential { + 'protocol' => 'https', + 'host' => 'example.com', + 'username' => 'bob' + }, sub { + my $cred = shift; + return !!try_to_authenticate($cred->{'username'}, + $cred->{'password'}); + }) { + ... do more stuff ... + } + +=cut + +sub credential { + my ($self, $credential, $op_or_code) = (_maybe_self(@_), 'fill'); + + if ('CODE' eq ref $op_or_code) { + _credential_run $credential, 'fill'; + my $ret = $op_or_code->($credential); + if (defined $ret) { + _credential_run $credential, $ret ? 'approve' : 'reject'; + } + return $ret; + } else { + _credential_run $credential, $op_or_code; + } +} + { # %TEMP_* Lexical Context my (%TEMP_FILEMAP, %TEMP_FILES); @@ -1303,9 +1529,11 @@ sub _execv_git_cmd { exec('git', @_); } # Close pipe to a subprocess. sub _cmd_close { - my ($fh, $ctx) = @_; - if (not close $fh) { - if ($!) { + my $ctx = shift @_; + foreach my $fh (@_) { + if (close $fh) { + # nop + } elsif ($!) { # It's just close, no point in fatalities carp "error closing pipe: $!"; } elsif ($? >> 8) { diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm index 59215fa86e..5273ee8867 100644 --- a/perl/Git/SVN.pm +++ b/perl/Git/SVN.pm @@ -11,7 +11,6 @@ use Carp qw/croak/; use File::Path qw/mkpath/; use File::Copy qw/copy/; use IPC::Open3; -use Time::Local; use Memoize; # core since 5.8.0, Jul 2002 use Memoize::Storable; use POSIX qw(:signal_h); @@ -22,6 +21,7 @@ use Git qw( command_noisy command_output_pipe command_close_pipe + get_tz_offset ); use Git::SVN::Utils qw( fatal @@ -490,7 +490,7 @@ sub refname { # # Additionally, % must be escaped because it is used for escaping # and we want our escaped refname to be reversible - $refname =~ s{([ \%~\^:\?\*\[\t])}{uc sprintf('%%%02x',ord($1))}eg; + $refname =~ s{([ \%~\^:\?\*\[\t])}{sprintf('%%%02X',ord($1))}eg; # no slash-separated component can begin with a dot . # /.* becomes /%2E* @@ -1311,14 +1311,6 @@ sub get_untracked { \@out; } -sub get_tz { - # some systmes don't handle or mishandle %z, so be creative. - my $t = shift || time; - my $gm = timelocal(gmtime($t)); - my $sign = qw( + + - )[ $t <=> $gm ]; - return sprintf("%s%02d%02d", $sign, (gmtime(abs($t - $gm)))[2,1]); -} - # parse_svn_date(DATE) # -------------------- # Given a date (in UTC) from Subversion, return a string in the format @@ -1351,7 +1343,7 @@ sub parse_svn_date { delete $ENV{TZ}; } - my $our_TZ = get_tz(); + my $our_TZ = get_tz_offset(); # This converts $epoch_in_UTC into our local timezone. my ($sec, $min, $hour, $mday, $mon, $year, @@ -1501,13 +1493,18 @@ sub lookup_svn_merge { my @merged_commit_ranges; # find the tip for my $range ( @ranges ) { + if ($range =~ /[*]$/) { + warn "W: Ignoring partial merge in svn:mergeinfo " + ."dirprop: $source:$range\n"; + next; + } my ($bottom, $top) = split "-", $range; $top ||= $bottom; my $bottom_commit = $gs->find_rev_after( $bottom, 1, $top ); my $top_commit = $gs->find_rev_before( $top, 1, $bottom ); unless ($top_commit and $bottom_commit) { - warn "W:unknown path/rev in svn:mergeinfo " + warn "W: unknown path/rev in svn:mergeinfo " ."dirprop: $source:$range\n"; next; } @@ -2377,7 +2374,7 @@ sub map_path { sub uri_encode { my ($f) = @_; - $f =~ s#([^a-zA-Z0-9\*!\:_\./\-])#uc sprintf("%%%02x",ord($1))#eg; + $f =~ s#([^a-zA-Z0-9\*!\:_\./\-])#sprintf("%%%02X",ord($1))#eg; $f } diff --git a/perl/Git/SVN/Editor.pm b/perl/Git/SVN/Editor.pm index 3bbc20a054..fa0d3c6cdd 100644 --- a/perl/Git/SVN/Editor.pm +++ b/perl/Git/SVN/Editor.pm @@ -145,7 +145,8 @@ sub repo_path { sub url_path { my ($self, $path) = @_; if ($self->{url} =~ m#^https?://#) { - $path =~ s!([^~a-zA-Z0-9_./-])!uc sprintf("%%%02x",ord($1))!eg; + # characters are taken from subversion/libsvn_subr/path.c + $path =~ s#([^~a-zA-Z0-9_./!$&'()*+,-])#sprintf("%%%02X",ord($1))#eg; } $self->{url} . '/' . $self->repo_path($path); } @@ -358,12 +359,12 @@ sub T { mode_a => $m->{mode_a}, mode_b => '000000', sha1_a => $m->{sha1_a}, sha1_b => '0' x 40, chg => 'D', file_b => $m->{file_b} - }); + }, $deletions); $self->A({ mode_a => '000000', mode_b => $m->{mode_b}, sha1_a => '0' x 40, sha1_b => $m->{sha1_b}, chg => 'A', file_b => $m->{file_b} - }); + }, $deletions); return; } diff --git a/perl/Git/SVN/Log.pm b/perl/Git/SVN/Log.pm index 3cc1c6f081..3f8350a57d 100644 --- a/perl/Git/SVN/Log.pm +++ b/perl/Git/SVN/Log.pm @@ -2,7 +2,11 @@ package Git::SVN::Log; use strict; use warnings; use Git::SVN::Utils qw(fatal); -use Git qw(command command_oneline command_output_pipe command_close_pipe); +use Git qw(command + command_oneline + command_output_pipe + command_close_pipe + get_tz_offset); use POSIX qw/strftime/; use constant commit_log_separator => ('-' x 72) . "\n"; use vars qw/$TZ $limit $color $pager $non_recursive $verbose $oneline @@ -119,7 +123,7 @@ sub run_pager { sub format_svn_date { my $t = shift || time; require Git::SVN; - my $gmoff = Git::SVN::get_tz($t); + my $gmoff = get_tz_offset($t); return strftime("%Y-%m-%d %H:%M:%S $gmoff (%a, %d %b %Y)", localtime($t)); } diff --git a/perl/Git/SVN/Prompt.pm b/perl/Git/SVN/Prompt.pm index 3a6f8af0d9..74daa7a597 100644 --- a/perl/Git/SVN/Prompt.pm +++ b/perl/Git/SVN/Prompt.pm @@ -62,16 +62,16 @@ sub ssl_server_trust { issuer_dname fingerprint); my $choice; prompt: - print STDERR $may_save ? + my $options = $may_save ? "(R)eject, accept (t)emporarily or accept (p)ermanently? " : "(R)eject or accept (t)emporarily? "; STDERR->flush; - $choice = lc(substr(<STDIN> || 'R', 0, 1)); - if ($choice =~ /^t$/i) { + $choice = lc(substr(Git::prompt("Certificate problem.\n" . $options) || 'R', 0, 1)); + if ($choice eq 't') { $cred->may_save(undef); - } elsif ($choice =~ /^r$/i) { + } elsif ($choice eq 'r') { return -1; - } elsif ($may_save && $choice =~ /^p$/i) { + } elsif ($may_save && $choice eq 'p') { $cred->may_save($may_save); } else { goto prompt; @@ -109,9 +109,7 @@ sub username { if (defined $_username) { $username = $_username; } else { - print STDERR "Username: "; - STDERR->flush; - chomp($username = <STDIN>); + $username = Git::prompt("Username: "); } $cred->username($username); $cred->may_save($may_save); @@ -120,25 +118,7 @@ sub username { sub _read_password { my ($prompt, $realm) = @_; - my $password = ''; - 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; - } + my $password = Git::prompt($prompt, 1); $password; } diff --git a/perl/Git/SVN/Ra.pm b/perl/Git/SVN/Ra.pm index 049c97bfaf..6a212eb7a8 100644 --- a/perl/Git/SVN/Ra.pm +++ b/perl/Git/SVN/Ra.pm @@ -295,7 +295,7 @@ sub gs_do_switch { my $full_url = add_path_to_url( $self->url, $path ); my ($ra, $reparented); - if ($old_url =~ m#^svn(\+ssh)?://# || + if ($old_url =~ m#^svn(\+\w+)?://# || ($full_url =~ m#^https?://# && canonicalize_url($full_url) ne $full_url)) { $_[0] = undef; diff --git a/perl/Git/SVN/Utils.pm b/perl/Git/SVN/Utils.pm index 8b8cf3755c..3d1a0933a2 100644 --- a/perl/Git/SVN/Utils.pm +++ b/perl/Git/SVN/Utils.pm @@ -155,7 +155,7 @@ sub _canonicalize_url_path { my @parts; foreach my $part (split m{/+}, $uri_path) { - $part =~ s/([^~\w.%+-]|%(?![a-fA-F0-9]{2}))/sprintf("%%%02X",ord($1))/eg; + $part =~ s/([^!\$%&'()*+,.\/\w:=\@_`~-]|%(?![a-fA-F0-9]{2}))/sprintf("%%%02X",ord($1))/eg; push @parts, $part; } |