[PATCH] gitweb: gpg signature status indication for commits

[Victor Kartashov <victor.kartashov@xxxxxxxxx>]

shows gpg signature (if any) for commit message in gitweb
in case of successfully verifying the signature highlights it with green

Signed-off-by: Victor Kartashov <victor.kartashov@xxxxxxxxx>
---
 gitweb/gitweb.perl       | 33 ++++++++++++++++++++++++++-------
 gitweb/static/gitweb.css |  5 +++++
 2 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 79057b7..0b41392 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -3430,8 +3430,9 @@ sub parse_commit_text {
 	my ($commit_text, $withparents) = @_;
 	my @commit_lines = split '\n', $commit_text;
 	my %co;
+	my @signature = ();
 
-	pop @commit_lines; # Remove '\0'
+	pop @commit_lines if ($commit_lines[-1] eq "\0"); # Remove '\0'
 
 	if (! @commit_lines) {
 		return;
@@ -3469,6 +3470,10 @@ sub parse_commit_text {
 				$co{'committer_name'} = $co{'committer'};
 			}
 		}
+		elsif ($line =~ /^gpg: /)
+		{
+			push @signature, $line;
+		}
 	}
 	if (!defined $co{'tree'}) {
 		return;
@@ -3508,6 +3513,11 @@ sub parse_commit_text {
 	foreach my $line (@commit_lines) {
 		$line =~ s/^    //;
 	}
+	push(@commit_lines, "") if(scalar(@signature) > 0);
+	foreach my $sig (@signature)
+	{
+		push(@commit_lines, $sig);
+	}
 	$co{'comment'} = \@commit_lines;
 
 	my $age = time - $co{'committer_epoch'};
@@ -3530,13 +3540,15 @@ sub parse_commit {
 
 	local $/ = "\0";
 
-	open my $fd, "-|", git_cmd(), "rev-list",
-		"--parents",
-		"--header",
-		"--max-count=1",
+
+
+	open my $fd, "-|", git_cmd(), "show",
+		"--quiet",
+		"--date=raw",
+		"--pretty=format:%H %P%ntree %T%nparent %P%nauthor %an <%ae> %ad%ncommitter %cn <%ce> %cd%n%GG%n%s%n%n%b",
 		$commit_id,
 		"--",
-		or die_error(500, "Open git-rev-list failed");
+		or die_error(500, "Open git-show failed");
 	%co = parse_commit_text(<$fd>, 1);
 	close $fd;
 
@@ -4571,7 +4583,14 @@ sub git_print_log {
 	# print log
 	my $skip_blank_line = 0;
 	foreach my $line (@$log) {
-		if ($line =~ m/^\s*([A-Z][-A-Za-z]*-[Bb]y|C[Cc]): /) {
+		if ($line =~ m/^gpg:(.)+Good(.)+/) {
+			if (! $opts{'-remove_signoff'}) {
+				print "<span class=\"good_sign\">" . esc_html($line) . "</span><br/>\n";
+				$skip_blank_line = 1;
+			}
+			next;
+		}
+		elsif ($line =~ m/^\s*([A-Z][-A-Za-z]*-[Bb]y|C[Cc]): /) {
 			if (! $opts{'-remove_signoff'}) {
 				print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
 				$skip_blank_line = 1;
diff --git a/gitweb/static/gitweb.css b/gitweb/static/gitweb.css
index 3212601..0b7479c 100644
--- a/gitweb/static/gitweb.css
+++ b/gitweb/static/gitweb.css
@@ -136,6 +136,11 @@ span.signoff {
 	color: #888888;
 }
 
+span.good_sign {
+	font-weight: bold;
+	background-color: #aaffaa;
+}
+
 div.log_link {
 	padding: 0px 8px;
 	font-size: 70%;
-- 
1.8.3.2

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