[maas] artifact sync: improve barrier condition
[fuel.git] / mcp / patches / patch.sh
index 6c6d646..1da3bc5 100755 (executable)
@@ -1,4 +1,4 @@
-#!/bin/bash -ex
+#!/bin/bash -e
 ##############################################################################
 # Copyright (c) 2017 Mirantis Inc., Enea AB and others.
 # All rights reserved. This program and the accompanying materials
@@ -7,10 +7,14 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 ##############################################################################
 
+CI_DEBUG=${CI_DEBUG:-0}; [[ "${CI_DEBUG}" =~ (false|0) ]] || set -x
+
 if [ -r "$1" ]; then
   while IFS=': ' read -r p_dest p_file; do
-    if [[ "${p_dest}" =~ $2 ]]; then
-      patch -fd "${p_dest}" -p1 < "/root/fuel/mcp/patches/${p_file}"
+    if [[ ! "${p_dest}" =~ '^#' ]] && [[ "${p_dest}" =~ $2 ]] && \
+      ! patch --dry-run -Rd "${p_dest}" -r - -s -p1 < \
+        "/root/fuel/mcp/patches/${p_file}" > /dev/null; then
+          patch -d "${p_dest}" -p1 < "/root/fuel/mcp/patches/${p_file}"
     fi
   done < "$1"
 fi