[CopyResourcesScript] Abort on any error

Closes #1098

CHANGELOG.md

@@ -21,6 +21,9 @@ To install or update CocoaPods see this [guide](http://docs.cocoapods.org/guides
   https://github.com/CocoaPods/CocoaPods/blob/master/lib/cocoapods/config.rb#L7-L25
   [#1159](https://github.com/CocoaPods/CocoaPods/issues/1159)
 
+* The copy resources shell script now aborts if any error occurs.
+  [#1098](https://github.com/CocoaPods/CocoaPods/issues/1098)
+
 * CocoaPods doesn't set anymore the deprecated `ALWAYS_SEARCH_USER_PATHS` build
   setting.
 

lib/cocoapods/generator/copy_resources_script.rb

@@ -79,6 +79,7 @@ module Pod
 
       INSTALL_RESOURCES_FUCTION = <<EOS
 #!/bin/sh
+set -e
 
 RESOURCES_TO_COPY=${PODS_ROOT}/resources-to-copy-${TARGETNAME}.txt
 > "$RESOURCES_TO_COPY"