X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=Debian%2FDgit.pm;h=fa85374150288cc53a1ef363042262315b76ab52;hp=ac44b9ab4c529f712a0c9322d2c1e2b146702250;hb=9acb31a971d4f653836bbcf07410f51d3f80dbdd;hpb=ab500fe2332b6ad9af0baedd50440331c0b83492

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index ac44b9ab..fa853741 100644
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -17,7 +17,8 @@ BEGIN {
     @ISA         = qw(Exporter);
     @EXPORT      = qw(setup_sigwarn
                       debiantag server_branch server_ref
-                      stat_exists fail ensuredir executable_on_path
+                      stat_exists link_ltarget
+                      fail ensuredir executable_on_path
                       waitstatusmsg failedcmd
                       cmdoutput cmdoutput_errok
                       git_rev_parse git_get_ref git_for_each_ref
@@ -219,6 +220,15 @@ sub cmdoutput {
     return $d;
 }
 
+sub link_ltarget ($$) {
+    my ($old,$new) = @_;
+    lstat $old or return undef;
+    if (-l _) {
+	$old = cmdoutput qw(realpath  --), $old;
+    }
+    link $old, $new or die "link $old $new: $!";
+}
+
 sub git_rev_parse ($) {
     return cmdoutput qw(git rev-parse), "$_[0]~0";
 }