From 6ddcae225cc7e5be35756759fc5d04cabbd1cf67 Mon Sep 17 00:00:00 2001
From: Jisi Liu <jisi.liu@gmail.com>
Date: Wed, 21 Oct 2015 10:48:33 -0700
Subject: [PATCH] Use && for internal_copied_filegroup.

So that the rule fails if one or more files cannot be copied.
---
 protobuf.bzl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/protobuf.bzl b/protobuf.bzl
index 2199caf10..0e2d44f75 100644
--- a/protobuf.bzl
+++ b/protobuf.bzl
@@ -180,9 +180,9 @@ def internal_copied_filegroup(
       name=name+"_genrule",
       srcs=srcs,
       outs=outs,
-      cmd=";".join(["cp $(location %s) $(location %s)" % \
-                    (s, _RelativeOutputPath(s, include)) \
-                    for s in srcs]))
+      cmd=" && ".join(["cp $(location %s) $(location %s)" %
+                       (s, _RelativeOutputPath(s, include))
+                       for s in srcs]))
 
   native.filegroup(
       name=name,