remove the actual offending code

common/config.go

@@ -109,14 +109,6 @@ func DownloadableURL(original string) (string, error) {
 	// Make sure it is lowercased
 	url.Scheme = strings.ToLower(url.Scheme)
 
-	// This is to work around issue #5927. This can safely be removed once
-	// we distribute with a version of Go that fixes that bug.
-	//
-	// See: https://code.google.com/p/go/issues/detail?id=5927
-	if url.Path != "" && url.Path[0] != '/' {
-		url.Path = "/" + url.Path
-	}
-
 	// Verify that the scheme is something we support in our common downloader.
 	supported := []string{"file", "http", "https"}
 	found := false

common/download.go

@@ -130,10 +130,6 @@ func (d *DownloadClient) Get() (string, error) {
 		// locally and we don't make a copy. Normally we would copy or download.
 		log.Printf("[DEBUG] Using local file: %s", finalPath)
 
-		// Remove forward slash on absolute Windows file URLs before processing
-		if runtime.GOOS == "windows" && len(finalPath) > 0 && finalPath[0] == '/' {
-			finalPath = finalPath[1:]
-		}
 		// Keep track of the source so we can make sure not to delete this later
 		sourcePath = finalPath
 		if _, err = os.Stat(finalPath); err != nil {