git: Fix parsing of git logs with no commit messages at all.

[git.ikiwiki.info.git] / IkiWiki / Rcs / git.pm

diff --git a/IkiWiki/Rcs/git.pm b/IkiWiki/Rcs/git.pm
index 376d03c780336f6cc4a999fc370143a0d40f8177..26f2a39f266b88e477f75545533b2b4d5dfc524a 100644 (file)
--- a/IkiWiki/Rcs/git.pm
+++ b/IkiWiki/Rcs/git.pm
@@ -1,13 +1,13 @@
 #!/usr/bin/perl
 
 #!/usr/bin/perl
 

+package IkiWiki;
+

 use warnings;
 use strict;
 use IkiWiki;
 use Encode;
 use open qw{:utf8 :std};
 
 use warnings;
 use strict;
 use IkiWiki;
 use Encode;
 use open qw{:utf8 :std};
 

-package IkiWiki;
-

 my $sha1_pattern     = qr/[0-9a-fA-F]{40}/; # pattern to validate Git sha1sums
 my $dummy_commit_msg = 'dummy commit';      # message to skip in recent changes
 
 my $sha1_pattern     = qr/[0-9a-fA-F]{40}/; # pattern to validate Git sha1sums
 my $dummy_commit_msg = 'dummy commit';      # message to skip in recent changes
 


@@ -180,14 +180,14 @@ sub _parse_diff_tree ($@) { #{{{
                        $ci{ "${who}_epoch" } = $epoch;
                        $ci{ "${who}_tz"    } = $tz;
 
                        $ci{ "${who}_epoch" } = $epoch;
                        $ci{ "${who}_tz"    } = $tz;
 

-                       if ($name =~ m/^([^<]+) <([^@>]+)/) {
-                               my ($fullname, $username) = ($1, $2);
-                               $ci{"${who}_fullname"}    = $fullname;
-                               $ci{"${who}_username"}    = $username;
+                       if ($name =~ m/^[^<]+\s+<([^@>]+)/) {
+                               $ci{"${who}_username"} = $1;
+                       }
+                       elsif ($name =~ m/^([^<]+)\s+<>$/) {
+                               $ci{"${who}_username"} = $1;

                        }
                        else {
                        }
                        else {

-                               $ci{"${who}_fullname"} =
-                                       $ci{"${who}_username"} = $name;
+                               $ci{"${who}_username"} = $name;

                        }
                }
                elsif ($line =~ m/^$/) {
                        }
                }
                elsif ($line =~ m/^$/) {


@@ -197,7 +197,7 @@ sub _parse_diff_tree ($@) { #{{{
        }
 
        debug("No 'tree' seen in diff-tree output") if !defined $ci{'tree'};
        }
 
        debug("No 'tree' seen in diff-tree output") if !defined $ci{'tree'};

-
+       

        if (defined $ci{'parents'}) {
                $ci{'parent'} = @{ $ci{'parents'} }[0];
        }
        if (defined $ci{'parents'}) {
                $ci{'parent'} = @{ $ci{'parents'} }[0];
        }


@@ -205,15 +205,13 @@ sub _parse_diff_tree ($@) { #{{{
                $ci{'parent'} = 0 x 40;
        }
 
                $ci{'parent'} = 0 x 40;
        }
 

-       # Commit message.
-       while (my $line = shift @{ $dt_ref }) {
-               if ($line =~ m/^$/) {
-                       # Trailing empty line signals next section.
-                       last;
-               };
+       # Commit message (optional).
+       while ($dt_ref->[0] =~ /^    /) {
+               my $line = shift @{ $dt_ref };

                $line =~ s/^    //;
                push @{ $ci{'comment'} }, $line;
        }
                $line =~ s/^    //;
                push @{ $ci{'comment'} }, $line;
        }

+       shift @{ $dt_ref } if $dt_ref->[0] =~ /^$/;

 
        # Modified files.
        while (my $line = shift @{ $dt_ref }) {
 
        # Modified files.
        while (my $line = shift @{ $dt_ref }) {


@@ -279,7 +277,8 @@ sub git_sha1 (;$) { #{{{
        my $file = shift || q{--};
 
        # Ignore error since a non-existing file might be given.
        my $file = shift || q{--};
 
        # Ignore error since a non-existing file might be given.

-       my ($sha1) = run_or_non('git', 'rev-list', '--max-count=1', 'HEAD', $file);
+       my ($sha1) = run_or_non('git', 'rev-list', '--max-count=1', 'HEAD',
+               '--', $file);

        if ($sha1) {
                ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
        } else { debug("Empty sha1sum for '$file'.") }
        if ($sha1) {
                ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
        } else { debug("Empty sha1sum for '$file'.") }


@@ -310,22 +309,6 @@ sub rcs_commit ($$$;$$) { #{{{
 
        my ($file, $message, $rcstoken, $user, $ipaddr) = @_;
 
 
        my ($file, $message, $rcstoken, $user, $ipaddr) = @_;
 

-       if (defined $user) {
-               $message = "web commit by $user" .
-                   (length $message ? ": $message" : "");
-       }
-       elsif (defined $ipaddr) {
-               $message = "web commit from $ipaddr" .
-                   (length $message ? ": $message" : "");
-       }
-
-       # XXX: Wiki directory is in the unlocked state when starting this
-       # action.  But it takes time for a Git process to finish its job
-       # (especially if a merge required), so we must re-lock to prevent
-       # race conditions.  Only when the time of the real commit action
-       # (i.e. git push) comes, we'll unlock the directory.
-       lockwiki();
-

        # Check to see if the page has been changed by someone else since
        # rcs_prepedit was called.
        my $cur    = git_sha1($file);
        # Check to see if the page has been changed by someone else since
        # rcs_prepedit was called.
        my $cur    = git_sha1($file);


@@ -335,17 +318,24 @@ sub rcs_commit ($$$;$$) { #{{{
                my $conflict = _merge_past($prev, $file, $dummy_commit_msg);
                return $conflict if defined $conflict;
        }
                my $conflict = _merge_past($prev, $file, $dummy_commit_msg);
                return $conflict if defined $conflict;
        }

+       
+       # Set the commit author to the web committer.
+       my %env=%ENV;
+       if (defined $user || defined $ipaddr) {
+               $ENV{GIT_AUTHOR_NAME}=(defined $user ? $user : $ipaddr)." (web)";
+               $ENV{GIT_AUTHOR_EMAIL}="";
+       }

 
        # git commit returns non-zero if file has not been really changed.
        # so we should ignore its exit status (hence run_or_non).
        $message = possibly_foolish_untaint($message);
 
        # git commit returns non-zero if file has not been really changed.
        # so we should ignore its exit status (hence run_or_non).
        $message = possibly_foolish_untaint($message);

-       if (run_or_non('git', 'commit', '-q', '-m', $message, '-i', $file)) {
-               unlockwiki();
+       if (run_or_non('git', 'commit', '--cleanup=verbatim', '-q', '-m', $message, '-i', $file)) {

                if (length $config{gitorigin_branch}) {
                        run_or_cry('git', 'push', $config{gitorigin_branch});
                }
        }
                if (length $config{gitorigin_branch}) {
                        run_or_cry('git', 'push', $config{gitorigin_branch});
                }
        }

-
+       
+       %ENV=%env;

        return undef; # success
 } #}}}
 
        return undef; # success
 } #}}}
 


@@ -368,14 +358,14 @@ sub rcs_recentchanges ($) { #{{{
        my @rets;
        foreach my $ci (git_commit_info('HEAD', $num)) {
                # Skip redundant commits.
        my @rets;
        foreach my $ci (git_commit_info('HEAD', $num)) {
                # Skip redundant commits.

-               next if (@{$ci->{'comment'}}[0] eq $dummy_commit_msg);
+               next if ($ci->{'comment'} && @{$ci->{'comment'}}[0] eq $dummy_commit_msg);

 
                my ($sha1, $when) = (
                        $ci->{'sha1'},
                        $ci->{'author_epoch'}
                );
 
 
                my ($sha1, $when) = (
                        $ci->{'sha1'},
                        $ci->{'author_epoch'}
                );
 

-               my (@pages, @messages);
+               my @pages;

                foreach my $detail (@{ $ci->{'details'} }) {
                        my $file = $detail->{'file'};
 
                foreach my $detail (@{ $ci->{'details'} }) {
                        my $file = $detail->{'file'};
 


@@ -390,24 +380,30 @@ sub rcs_recentchanges ($) { #{{{
                                diffurl => $diffurl,
                        };
                }
                                diffurl => $diffurl,
                        };
                }

-               push @messages, { line => $_ } foreach @{$ci->{'comment'}};

 
 

-               my ($user, $type) = (q{}, "web");
+               my @messages;
+               my $pastblank=0;
+               foreach my $line (@{$ci->{'comment'}}) {
+                       $pastblank=1 if $line eq '';
+                       next if $pastblank && $line=~m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i;
+                       push @messages, { line => $line };
+               }

 
 

-               if (defined $messages[0] &&
-                   $messages[0]->{line} =~ m/$config{web_commit_regexp}/) {
+               my $user=$ci->{'author_username'};
+               my $web_commit = ($user=~s/\s+\(web\)$//);
+               
+               # compatability code for old web commit messages
+               if (! $web_commit &&
+                     defined $messages[0] &&
+                     $messages[0]->{line} =~ m/$config{web_commit_regexp}/) {

                        $user = defined $2 ? "$2" : "$3";
                        $messages[0]->{line} = $4;
                }
                        $user = defined $2 ? "$2" : "$3";
                        $messages[0]->{line} = $4;
                }

-               else {
-                       $type ="git";
-                       $user = $ci->{'author_username'};
-               }

 
                push @rets, {
                        rev        => $sha1,
                        user       => $user,
 
                push @rets, {
                        rev        => $sha1,
                        user       => $user,

-                       committype => $type,
+                       committype => $web_commit ? "web" : "git",

                        when       => $when,
                        message    => [@messages],
                        pages      => [@pages],
                        when       => $when,
                        message    => [@messages],
                        pages      => [@pages],


@@ -422,7 +418,18 @@ sub rcs_recentchanges ($) { #{{{
 sub rcs_diff ($) { #{{{
        my $rev=shift;
        my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
 sub rcs_diff ($) { #{{{
        my $rev=shift;
        my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint

-       return join("\n", run_or_non("git", "diff", "$sha1^", $sha1));
+       my @lines;
+       foreach my $line (run_or_non("git", "show", $sha1)) {
+               if (@lines || $line=~/^diff --git/) {
+                       push @lines, $line."\n";
+               }
+       }
+       if (wantarray) {
+               return @lines;
+       }
+       else {
+               return join("", @lines);
+       }

 } #}}}
 
 sub rcs_getctime ($) { #{{{
 } #}}}
 
 sub rcs_getctime ($) { #{{{