http-push and http-fetch: handle URLs without trailing /

The URL to a repository http-push and http-fetch takes should
have a trailing slash.  Instead of failing the request, add it
ourselves before attempting such a request.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-http-fetch.c

@@ -9,6 +9,7 @@ int cmd_http_fetch(int argc, const char **argv, const char *prefix)
 	const char **write_ref = NULL;
 	char **commit_id;
 	const char *url;
+	char *rewritten_url = NULL;
 	int arg = 1;
 	int rc = 0;
 	int get_tree = 0;
@@ -51,6 +52,12 @@ int cmd_http_fetch(int argc, const char **argv, const char *prefix)
 		commits = 1;
 	}
 	url = argv[arg];
+	if (url && url[strlen(url)-1] != '/') {
+		rewritten_url = malloc(strlen(url)+2);
+		strcpy(rewritten_url, url);
+		strcat(rewritten_url, "/");
+		url = rewritten_url;
+	}
 
 	walker = get_http_walker(url);
 	walker->get_tree = get_tree;
@@ -73,5 +80,8 @@ int cmd_http_fetch(int argc, const char **argv, const char *prefix)
 
 	walker_free(walker);
 
+	if (rewritten_url)
+		free(rewritten_url);
+
 	return rc;
 }

http-push.c

@@ -2169,6 +2169,7 @@ int main(int argc, char **argv)
 	int i;
 	int new_refs;
 	struct ref *ref;
+	char *rewritten_url = NULL;
 
 	setup_git_directory();
 
@@ -2236,6 +2237,14 @@ int main(int argc, char **argv)
 
 	no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
 
+	if (remote->url && remote->url[strlen(remote->url)-1] != '/') {
+		rewritten_url = malloc(strlen(remote->url)+2);
+		strcpy(rewritten_url, remote->url);
+		strcat(rewritten_url, "/");
+		remote->url = rewritten_url;
+		++remote->path_len;
+	}
+
 	/* Verify DAV compliance/lock support */
 	if (!locking_available()) {
 		rc = 1;
@@ -2416,6 +2425,8 @@ int main(int argc, char **argv)
 	}
 
  cleanup:
+	if (rewritten_url)
+		free(rewritten_url);
 	if (info_ref_lock)
 		unlock_remote(info_ref_lock);
 	free(remote);