X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/b4db945b34d0475894467792acc69038d5b25306..e04cb1ffd39f64c7f3216dcd6b7a69308754bef0:/IkiWiki/Plugin/mercurial.pm

diff --git a/IkiWiki/Plugin/mercurial.pm b/IkiWiki/Plugin/mercurial.pm
index e64e00512..102b4692b 100644
--- a/IkiWiki/Plugin/mercurial.pm
+++ b/IkiWiki/Plugin/mercurial.pm
@@ -307,7 +307,23 @@ sub rcs_recentchanges ($) {
 }
 
 sub rcs_diff ($;$) {
-	# TODO
+	my $rev=shift;
+	my $maxlines=shift;
+	my @lines;
+	my $addlines=sub {
+		my $line=shift;
+		return if defined $maxlines && @lines == $maxlines;
+		push @lines, $line."\n"
+			if (@lines || $line=~/^diff --git/);
+		return 1;
+	};
+	safe_hg(undef, $addlines, "hg", "diff", "-c", $rev, "-g");
+	if (wantarray) {
+		return @lines;
+	}
+	else {
+		return join("", @lines);
+	}
 }
 
 {