Merge branch 'jk/http-walker-limit-redirect'

Update the error messages from the dumb-http client when it fails
to obtain loose objects; we used to give sensible error message
only upon 404 but we now forbid unexpected redirects that needs to
be reported with something sensible.

* jk/http-walker-limit-redirect:
  http-walker: complain about non-404 loose object errors

Author: gitster

http-walker.c

@@ -482,10 +482,13 @@ static int fetch_object(struct walker *walker, unsigned char *sha1)
 	 * we turned off CURLOPT_FAILONERROR to avoid losing a
 	 * persistent connection and got CURLE_OK.
 	 */
-	if (req->http_code == 404 && req->curl_result == CURLE_OK &&
+	if (req->http_code >= 300 && req->curl_result == CURLE_OK &&
 			(starts_with(req->url, "http://") ||
-			 starts_with(req->url, "https://")))
+			 starts_with(req->url, "https://"))) {
 		req->curl_result = CURLE_HTTP_RETURNED_ERROR;
+		xsnprintf(req->errorstr, sizeof(req->errorstr),
+			  "HTTP request failed");
+	}
 
 	if (obj_req->state == ABORTED) {
 		ret = error("Request for %s aborted", hex);

http.c

@@ -2058,7 +2058,7 @@ static size_t fwrite_sha1_file(char *ptr, size_t eltsize, size_t nmemb,
 		if (c != CURLE_OK)
 			die("BUG: curl_easy_getinfo for HTTP code failed: %s",
 				curl_easy_strerror(c));
-		if (slot->http_code >= 400)
+		if (slot->http_code >= 300)
 			return size;
 	}