do not fail if folder ends with .git and is not a git repository

git-backup.go

@@ -495,6 +495,12 @@ func cmd_pull_(ctx context.Context, gb *git.Repository, pullspecv []PullSpec) {
 				return nil
 			}
 
+                        folder, err := os.Stat(path + "/objects")
+                        if  os.IsNotExist(err) || !folder.IsDir() {
+				// If this is not a git directory, then return
+				return nil
+                        }
+
 			// git repo - let's pull all refs from it to our backup refs namespace
 			infof("# git  %s\t<- %s", prefix, path)
 			refv, _, err := fetch(ctx, path, alreadyHave)
@@ -1012,7 +1018,7 @@ func cmd_restore_(ctx context.Context, gb *git.Repository, HEAD_ string, restore
 				//   empty - without refs at all, and thus next "git packs restore"
 				//   step will not be run for it.
 				filedir := pathpkg.Dir(filename)
-				if strings.HasSuffix(filedir, ".git") && !repos_seen.Contains(filedir) {
+				if strings.HasSuffix(filename, ".git/HEAD") && !repos_seen.Contains(filedir) {
 					infof("# repo %s\t-> %s", prefix, filedir)
 					for _, __ := range []string{"refs/heads", "refs/tags", "objects/pack"} {
 						err := os.MkdirAll(filedir+"/"+__, 0777)

git-backup_test.go

@@ -257,8 +257,8 @@ func TestPullRestore(t *testing.T) {
 			return err
 		}
 
-		// non *.git/ -- not interesting
-		if !(info.IsDir() && strings.HasSuffix(path, ".git")) {
+		// non *.git/ or nongit.git/ -- not interesting
+		if !(info.IsDir() && strings.HasSuffix(path, ".git")) || strings.HasSuffix(path, "nongit.git") {
 			return nil
 		}
 

testdata/1/dir/nongit.git/latest

+Not a git repos