r1596: * Remove duplicate packages from DOPACKAGES after argument processing.

[debhelper.git] / dh_compress

diff --git a/dh_compress b/dh_compress
index 9d287af420b6477b2b425ce49f2ae2cddfd6e295..cbdf627c55e72205efd1d75f328e5ccc7bb3b3f6 100755 (executable)
--- a/dh_compress
+++ b/dh_compress
@@ -166,16 +166,24 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
        chdir($olddir);
 
        # Fix up symlinks that were pointing to the uncompressed files.
-       open (FIND,"find $tmp -type l |");
-       while (<FIND>) {
-               chomp;
-               my ($directory)=m:(.*)/:;
-               my $linkval=readlink($_);
-               if (! -e "$directory/$linkval" && -e "$directory/$linkval.gz") {
-                       doit("rm","-f",$_);
-                       doit("ln","-sf","$linkval.gz","$_.gz");
+       my %links = map { chomp; $_ => 1 } `find $tmp -type l`;
+       my $changed;
+       # Keep looping through looking for broken links until no more
+       # changes are made. This is done in case there are links pointing
+       # to links, pointing to compressed files.
+       do {
+               $changed = 0;
+               foreach my $link (keys %links) {
+                       my ($directory) = $link =~ m:(.*)/:;
+                       my $linkval = readlink($link);
+                       if (! -e "$directory/$linkval" && -e "$directory/$linkval.gz") {
+                               doit("rm","-f",$link);
+                               doit("ln","-sf","$linkval.gz","$link.gz");
+                               delete $links{$link};
+                               $changed++;
+                       }
                }
-       }
+       } while $changed;
 }
 
 =head1 SEE ALSO