X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/77894a6831ae9cc8a90adbc6de0ab3c92408c316..9b34b879e2825a1d8d0d930a01c35306891b823b:/IkiWiki/Rcs/tla.pm

diff --git a/IkiWiki/Rcs/tla.pm b/IkiWiki/Rcs/tla.pm
index 231496445..e7fed9ad8 100644
--- a/IkiWiki/Rcs/tla.pm
+++ b/IkiWiki/Rcs/tla.pm
@@ -1,11 +1,11 @@
 #!/usr/bin/perl
 
+package IkiWiki;
+
 use warnings;
 use strict;
 use IkiWiki;
 
-package IkiWiki;
-
 sub quiet_system (@) {
 	# See Debian bug #385939.
 	open (SAVEOUT, ">&STDOUT");
@@ -160,6 +160,20 @@ sub rcs_recentchanges ($) {
 	return @ret;
 }
 
+sub rcs_diff ($) { #{{{
+	my $rev=shift;
+	my $logs = `tla logs -d $config{srcdir}`;
+	my @changesets = reverse split(/\n/, $logs);
+	my $i;
+
+	for($i=0;$i<$#changesets;$i++) {
+		last if $changesets[$i] eq $rev;
+	}
+
+	my $revminusone = $changesets[$i+1];
+	return `tla diff -d $config{srcdir} $revminusone`;
+} #}}}
+
 sub rcs_getctime ($) { #{{{
 	my $file=shift;
 	eval q{use Date::Parse};