From b13bb0c83c8f23bca97734882997fd3dc29f0553 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@gnu.kitenet.net>
Date: Fri, 16 Apr 2010 18:43:51 -0400
Subject: implement rcs_getmtime for svn

This is a slow implementation; it runs svn log once per file
still, rather than running svn log once on the whole srcdir.

I did it this way because in my experience, svn log, run on a directory,
does not always list every change to files inside that directory.
I don't know why, and I use svn as little as possible these days.
---
 IkiWiki/Plugin/svn.pm | 42 +++++++++++++++++++++++++++++++-----------
 1 file changed, 31 insertions(+), 11 deletions(-)

(limited to 'IkiWiki')

diff --git a/IkiWiki/Plugin/svn.pm b/IkiWiki/Plugin/svn.pm
index 85c205f09..6e1d4a40f 100644
--- a/IkiWiki/Plugin/svn.pm
+++ b/IkiWiki/Plugin/svn.pm
@@ -350,9 +350,18 @@ sub rcs_diff ($) {
 	return `svnlook diff $config{svnrepo} -r$rev --no-diff-deleted`;
 }
 
-sub rcs_getctime ($) {
+{
+
+my ($lastfile, $lastmtime, $lastctime);
+
+sub findtimes ($) {
 	my $file=shift;
 
+	if ($lastfile eq $file) {
+		return $lastmtime, $lastctime;
+	}
+	$lastfile=$file;
+
 	my $svn_log_infoline=qr/^r\d+\s+\|\s+[^\s]+\s+\|\s+(\d+-\d+-\d+\s+\d+:\d+:\d+\s+[-+]?\d+).*/;
 		
 	my $child = open(SVNLOG, "-|");
@@ -360,28 +369,39 @@ sub rcs_getctime ($) {
 		exec("svn", "log", $file) || error("svn log $file failed to run");
 	}
 
-	my $date;
+	my ($cdate, $mdate);
 	while (<SVNLOG>) {
 		if (/$svn_log_infoline/) {
-			$date=$1;
+			$cdate=$1;
+			$mdate=$1 unless defined $mdate;
 	    	}
 	}
-	close SVNLOG || warn "svn log $file exited $?";
+	close SVNLOG || error "svn log $file exited $?";
 
-	if (! defined $date) {
-		warn "failed to parse svn log for $file\n";
-		return 0;
+	if (! defined $cdate) {
+		error "failed to parse svn log for $file\n";
 	}
 		
 	eval q{use Date::Parse};
 	error($@) if $@;
-	$date=str2time($date);
-	debug("found ctime ".localtime($date)." for $file");
-	return $date;
+	
+	$lastctime=str2time($cdate);
+	$lastmtime=str2time($mdate);
+	return $lastmtime, $lastctime;
+}
+
+}
+
+sub rcs_getctime ($) {
+	my $file=shift;
+
+	return (findtimes($file))[1];
 }
 
 sub rcs_getmtime ($) {
-	error "rcs_getmtime is not implemented for svn\n"; # TODO
+	my $file=shift;
+
+	return (findtimes($file))[0];
 }
 
 1
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