Delete the tempdir on wc.Destroy instead of running cleanPath - fixes #20

gbvendor/repo.go

diff --git a/gbvendor/repo.go b/gbvendor/repo.go
index 54b9b40..88c177f 100644
--- a/gbvendor/repo.go
+++ b/gbvendor/repo.go
@@ -41,7 +41,7 @@
 	// Branch returns the branch to which this working copy belongs.
 	Branch() (string, error)
 
-	// Destroy removes the working copy and cleans path to the working copy.
+	// Destroy removes the working copy.
 	Destroy() error
 }
 
@@ -341,11 +341,7 @@
 func (w workingcopy) Dir() string { return w.path }
 
 func (w workingcopy) Destroy() error {
-	if err := fileutils.RemoveAll(w.path); err != nil {
-		return err
-	}
-	parent := filepath.Dir(w.path)
-	return cleanPath(parent)
+	return fileutils.RemoveAll(w.path)
 }
 
 // GitClone is a git WorkingCopy.
@@ -492,6 +488,14 @@
 	return "master", nil
 }
 
+func (b *BzrClone) Destroy() error {
+	if err := (workingcopy{b.path}).Destroy(); err != nil {
+		return err
+	}
+	parent := filepath.Dir(b.path)
+	return os.Remove(parent)
+}
+
 func cleanPath(path string) error {
 	if files, _ := ioutil.ReadDir(path); len(files) > 0 || filepath.Base(path) == "vendor" {
 		return nil
@@ -503,10 +507,6 @@
 	return cleanPath(parent)
 }
 
-func mkdir(path string) error {
-	return os.MkdirAll(path, 0755)
-}
-
 func mktmp() (string, error) {
 	return ioutil.TempDir("", "gvt-")
 }