import-tars: support symlinks

Without this patch, symbolic links are turned into empty files.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/fast-import/import-tars.perl b/contrib/fast-import/import-tars.perl
index 6309d146e74a428520d09cbff4dc8d9a429ec001..78e40d2a13e5c754b10a8e68641236bf58394e05 100755 (executable)
--- a/contrib/fast-import/import-tars.perl
+++ b/contrib/fast-import/import-tars.perl
@@ -82,10 +82,16 @@ foreach my $tar_file (@ARGV)
                $mtime = oct $mtime;
                next if $typeflag == 5; # directory
 
-               print FI "blob\n", "mark :$next_mark\n", "data $size\n";
-               while ($size > 0 && read(I, $_, 512) == 512) {
-                       print FI substr($_, 0, $size);
-                       $size -= 512;
+               print FI "blob\n", "mark :$next_mark\n";
+               if ($typeflag == 2) { # symbolic link
+                       print FI "data ", length($linkname), "\n", $linkname;
+                       $mode = 0120000;
+               } else {
+                       print FI "data $size\n";
+                       while ($size > 0 && read(I, $_, 512) == 512) {
+                               print FI substr($_, 0, $size);
+                               $size -= 512;
+                       }
                }
                print FI "\n";
 
@@ -118,7 +124,8 @@ EOF
        {
                my ($mark, $mode) = @{$files{$path}};
                $path =~ s,^([^/]+)/,, if $have_top_dir;
-               printf FI "M %o :%i %s\n", $mode & 0111 ? 0755 : 0644, $mark, $path;
+               $mode = $mode & 0111 ? 0755 : 0644 unless $mode == 0120000;
+               printf FI "M %o :%i %s\n", $mode, $mark, $path;
        }
        print FI "\n";