git: Put web committer name/openid/address in the git author field

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

diff --git a/IkiWiki/Rcs/git.pm b/IkiWiki/Rcs/git.pm
index 26a6f42661a652249c8a4c7475dfb45578b8fc03..f71b577742e9f595d01ac344f3135e544b3240f4 100644 (file)
--- a/IkiWiki/Rcs/git.pm
+++ b/IkiWiki/Rcs/git.pm
@@ -1,13 +1,13 @@
 #!/usr/bin/perl
 
+package IkiWiki;
+
 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
 
@@ -180,14 +180,14 @@ sub _parse_diff_tree ($@) { #{{{
                        $ci{ "${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 {
-                               $ci{"${who}_fullname"} =
-                                       $ci{"${who}_username"} = $name;
+                               $ci{"${who}_username"} = $name;
                        }
                }
                elsif ($line =~ m/^$/) {
@@ -279,7 +279,8 @@ sub git_sha1 (;$) { #{{{
        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'.") }
@@ -310,22 +311,6 @@ sub rcs_commit ($$$;$$) { #{{{
 
        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);
@@ -335,17 +320,25 @@ sub rcs_commit ($$$;$$) { #{{{
                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;
+               $ENV{GIT_AUTHOR_EMAIL}="";
+               $message.="\n\nWeb-commit: true\n";
+       }
 
        # 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 (length $config{gitorigin_branch}) {
                        run_or_cry('git', 'push', $config{gitorigin_branch});
                }
        }
-
+       
+       %ENV=%env;
        return undef; # success
 } #}}}
 
@@ -375,7 +368,7 @@ sub rcs_recentchanges ($) { #{{{
                        $ci->{'author_epoch'}
                );
 
-               my (@pages, @messages);
+               my @pages;
                foreach my $detail (@{ $ci->{'details'} }) {
                        my $file = $detail->{'file'};
 
@@ -390,24 +383,35 @@ sub rcs_recentchanges ($) { #{{{
                                diffurl => $diffurl,
                        };
                }
-               push @messages, { line => $_ } foreach @{$ci->{'comment'}};
 
-               my ($user, $type) = (q{}, "web");
+               my $web_commit=0;
+               my @messages;
+               my $pastblank=0;
+               foreach my $line (@{$ci->{'comment'}}) {
+                       $pastblank=1 if $line eq '';
+                       next if $pastblank && $line=~m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i;
+                       if ($pastblank && $line=~m/^ *web-commit: true$/i) {
+                               $web_commit=1;
+                               next;
+                       }
+                       push @messages, { line => $line };
+               }
 
-               if (defined $messages[0] &&
+               my $user;
+               # 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;
                }
                else {
-                       $type ="git";
                        $user = $ci->{'author_username'};
                }
 
                push @rets, {
                        rev        => $sha1,
                        user       => $user,
-                       committype => $type,
+                       committype => $web_commit ? "web" : "git",
                        when       => $when,
                        message    => [@messages],
                        pages      => [@pages],
@@ -419,6 +423,23 @@ sub rcs_recentchanges ($) { #{{{
        return @rets;
 } #}}}
 
+sub rcs_diff ($) { #{{{
+       my $rev=shift;
+       my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
+       my @lines;
+       foreach my $line (run_or_non("git", "show", $sha1)) {
+               if (@lines || $line=~/^diff --git/) {
+                       push @lines, $line."\n";
+               }
+       }
+       if (wantarray) {
+               return @lines;
+       }
+       else {
+               return join("", @lines);
+       }
+} #}}}
+
 sub rcs_getctime ($) { #{{{
        my $file=shift;
        # Remove srcdir prefix