switch to git-rev-list for commit reading

This way we don't need to parse the "grafts".

Signed-off-by: Kay Sievers <kay.sievers@suse.de>

diff --git a/gitweb.cgi b/gitweb.cgi
index fa5b635..53980ef 100755 (executable)
--- a/gitweb.cgi
+++ b/gitweb.cgi
@@ -443,21 +443,28 @@ sub git_read_commit {
 
        my @commit_lines;
        my %co;
-       my @parents;
 
        if (defined $commit_text) {
                @commit_lines = @$commit_text;
        } else {
-               open my $fd, "-|", "$gitbin/git-cat-file commit $commit_id" or return;
-               @commit_lines = map { chomp; $_ } <$fd>;
+               $/ = "\0";
+               open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
+               @commit_lines = split '\n', <$fd>;
                close $fd or return;
+               $/ = "\n";
+               pop @commit_lines;
        }
+       my $header = shift @commit_lines;
+       if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
+               return;
+       }
+       ($co{'id'}, my @parents) = split ' ', $header;
+       $co{'parents'} = \@parents;
+       $co{'parent'} = $parents[0];
        while (my $line = shift @commit_lines) {
                last if $line eq "\n";
                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
                        $co{'tree'} = $1;
-               } elsif ($line =~ m/^parent ([0-9a-fA-F]{40})$/) {
-                       push @parents, $1;
                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
                        $co{'author'} = $1;
                        $co{'author_epoch'} = $2;
@@ -476,21 +483,9 @@ sub git_read_commit {
                }
        }
        if (!defined $co{'tree'}) {
-               return undef
+               return;
        };
-       if (!($commit_id =~ m/^[0-9a-fA-F]{40}$/)) {
-               # lookup hash by textual id
-               open my $fd, "-|", "$gitbin/git-rev-parse --verify $commit_id" or return;
-               my $hash_id = <$fd>;
-               close $fd or return;
-               chomp $hash_id;
-               $co{'id'} = $hash_id
-       } else {
-               $co{'id'} = $commit_id;
-       }
-       $co{'parents'} = \@parents;
-       $co{'parent'} = $parents[0];
-       $co{'comment'} = \@commit_lines;
+
        foreach my $title (@commit_lines) {
                if ($title ne "") {
                        $co{'title'} = chop_str($title, 80, 5);
@@ -515,6 +510,11 @@ sub git_read_commit {
                        last;
                }
        }
+       # remove added spaces
+       foreach my $line (@commit_lines) {
+               $line =~ s/^    //;
+       }
+       $co{'comment'} = \@commit_lines;
 
        my $age = time - $co{'committer_epoch'};
        $co{'age'} = $age;
@@ -2081,7 +2081,7 @@ sub git_search {
        my $alternate = 0;
        if ($commit_search) {
                $/ = "\0";
-               open my $fd, "-|", "$gitbin/git-rev-list --header $hash";
+               open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
                while (my $commit_text = <$fd>) {
                        if (!grep m/$searchtext/i, $commit_text) {
                                next;
@@ -2093,8 +2093,7 @@ sub git_search {
                                next;
                        }
                        my @commit_lines = split "\n", $commit_text;
-                       my $commit = shift @commit_lines;
-                       my %co = git_read_commit($commit, \@commit_lines);
+                       my %co = git_read_commit(undef, \@commit_lines);
                        if (!%co) {
                                next;
                        }
@@ -2107,7 +2106,7 @@ sub git_search {
                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
                              "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
                              "<td>" .
-                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" . escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
+                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}", -class => "list"}, "<b>" . escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
                        my $comment = $co{'comment'};
                        foreach my $line (@$comment) {
                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
@@ -2122,8 +2121,8 @@ sub git_search {
                        }
                        print "</td>\n" .
                              "<td class=\"link\">" .
-                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
-                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$commit"}, "tree");
+                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}"}, "commit") .
+                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}"}, "tree");
                        print "</td>\n" .
                              "</tr>\n";
                }