[CopyResourcesScript] Ensure rsync target directory exists

lib/cocoapods/generator/copy_resources_script.rb

@@ -106,7 +106,7 @@ RESOURCES_TO_COPY=${PODS_ROOT}/resources-to-copy-${TARGETNAME}.txt
 XCASSET_FILES=()
 
 realpath() {
-  DIRECTORY=$(cd "${1%/*}" && pwd)
+  DIRECTORY="$(cd "${1%/*}" && pwd)"
   FILENAME="${1##*/}"
   echo "$DIRECTORY/$FILENAME"
 }
@@ -158,8 +158,10 @@ EOS
 
       RSYNC_CALL = <<EOS
 
+mkdir -p "${CONFIGURATION_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}"
 rsync -avr --copy-links --no-relative --exclude '*/.svn/*' --files-from="$RESOURCES_TO_COPY" / "${CONFIGURATION_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}"
 if [[ "${ACTION}" == "install" ]]; then
+  mkdir -p "${INSTALL_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}"
   rsync -avr --copy-links --no-relative --exclude '*/.svn/*' --files-from="$RESOURCES_TO_COPY" / "${INSTALL_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}"
 fi
 rm -f "$RESOURCES_TO_COPY"