optimization: break recursion if .git directory exist

without this patch, depanneur will scan all directory to find .git
dir, acturally, that's not needed, if .git exist, all dirs, with
same parent dir of .git, can be skipped.

Change-Id: I934695924edb288d7b3f3a00570b7d6bd341c0ef

diff --git a/depanneur b/depanneur
index 078c4202313eb4bb1fbf89713af1be229f51f5d1..cffdfc55da3201f60b64d21011a74806006b65ad 100755 (executable)
--- a/depanneur
+++ b/depanneur
@@ -439,7 +439,10 @@ if ( -d "$packaging_dir" && -d ".git" ) {
 }
 
 sub git_wanted {
-    fill_packs_from_git($name) if /^\.git\z/s && -d $_;
+    if( -d "$name/.git" ){
+        fill_packs_from_git("$name/.git");
+        $prune = 1;
+    }
 }
 
 sub obs_wanted {