Merge branch 'maint-1.6.1' into maint

* maint-1.6.1:
  commit: abort commit if interactive add failed
  git-repack: use non-dashed update-server-info

Author: gitster

builtin-commit.c

@@ -224,7 +224,8 @@ static char *prepare_index(int argc, const char **argv, const char *prefix)
 	const char **pathspec = NULL;
 
 	if (interactive) {
-		interactive_add(argc, argv, prefix);
+		if (interactive_add(argc, argv, prefix) != 0)
+			die("interactive add failed");
 		if (read_cache_preload(NULL) < 0)
 			die("index file corrupt");
 		commit_style = COMMIT_AS_IS;

git-repack.sh

@@ -181,5 +181,5 @@ fi
 
 case "$no_update_info" in
 t) : ;;
-*) git-update-server-info ;;
+*) git update-server-info ;;
 esac