Fix errors

git-http.go

@@ -111,7 +111,7 @@ func handlePostRPC(w http.ResponseWriter, r *gitRequest) {
 		return
 	}
 	if err := cmd.Wait(); err != nil {
-		log.Printf("handlePostRPC wait for %v: %v", err)
+		log.Printf("handlePostRPC wait for %v: %v", cmd.Args, err)
 		return
 	}
 }

uploads.go

@@ -126,7 +126,7 @@ func handleFileUploads(w http.ResponseWriter, r *gitRequest) {
 	// Forward request to backend
 	upstreamResponse, err := r.u.httpClient.Do(upstreamRequest)
 	if err != nil {
-		fail500(w, fmt.Errorf("handleFileUploads: do request %v", upstreamRequest.URL.Path, err))
+		fail500(w, fmt.Errorf("handleFileUploads: do request %v: %v", upstreamRequest.URL.Path, err))
 		return
 	}
 	defer upstreamResponse.Body.Close()

xsendfile.go

@@ -25,7 +25,7 @@ func handleSendFile(w http.ResponseWriter, r *gitRequest) {
 	upResponse, err := r.u.httpClient.Do(upRequest)
 	r.Body.Close()
 	if err != nil {
-		fail500(w, fmt.Errorf("handleSendfile:do upstream request: %v", err))
+		fail500(w, fmt.Errorf("handleSendfile: do upstream request: %v", err))
 		return
 	}