Add `set -o pipefail` to frameworks and resources copy scripts

lib/cocoapods/generator/copy_resources_script.rb

@@ -97,6 +97,7 @@ module Pod
 #!/bin/sh
 set -e
 set -u
+set -o pipefail
 
 mkdir -p "${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}"
 

lib/cocoapods/generator/embed_frameworks_script.rb

@@ -38,6 +38,7 @@ module Pod
           #!/bin/sh
           set -e
           set -u
+          set -o pipefail
 
           echo "mkdir -p ${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
           mkdir -p "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"