#!/bin/sh
set -e
set -u
set -o pipefail
if [ -z ${FRAMEWORKS_FOLDER_PATH+x} ]; then
    # If FRAMEWORKS_FOLDER_PATH is not set, then there's nowhere for us to copy
    # frameworks to, so exit 0 (signalling the script phase was successful).
    exit 0
fi
echo "mkdir -p ${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
mkdir -p "${CONFIGURATION_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
SWIFT_STDLIB_PATH="${DT_TOOLCHAIN_DIR}/usr/lib/swift/${PLATFORM_NAME}"
# Used as a return value for each invocation of `strip_invalid_archs` function.
# This protects against multiple targets copying the same framework dependency at the same time. The solution
# was originally proposed here: https://lists.samba.org/archive/rsync/2008-February/020158.html
RSYNC_PROTECT_TMP_FILES=(--filter "P .*.??????")
# Copies and strips a vendored framework
install_framework()
{
  if [ -r "${BUILT_PRODUCTS_DIR}/$1" ]; then
    local source="${BUILT_PRODUCTS_DIR}/$1"
  elif [ -r "${BUILT_PRODUCTS_DIR}/$(basename "$1")" ]; then
    local source="${BUILT_PRODUCTS_DIR}/$(basename "$1")"
  elif [ -r "$1" ]; then
    local source="$1"
  fi
  local destination="${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}"
  if [ -L "${source}" ]; then
      echo "Symlinked..."
      source="$(readlink "${source}")"
  fi
  # Use filter instead of exclude so missing patterns don't throw errors.
  echo "rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter \\"- CVS/\\" --filter \\"- .svn/\\" --filter \\"- .git/\\" --filter \\"- .hg/\\" --filter \\"- Headers\\" --filter \\"- PrivateHeaders\\" --filter \\"- Modules\\" \\"${source}\\" \\"${destination}\\""
  rsync --delete -av "${RSYNC_PROTECT_TMP_FILES[@]}" --filter "- CVS/" --filter "- .svn/" --filter "- .git/" --filter "- .hg/" --filter "- PrivateHeaders" "${source}" "${destination}"
  local basename
  basename="$(basename -s .framework "$1")"
  binary="${destination}/${basename}.framework/${basename}"
  if ! [ -r "$binary" ]; then
    binary="${destination}/${basename}"
  fi
  # Resign the code if required by the build settings to avoid unstable apps
  code_sign_if_enabled "${destination}/$(basename "$1")"
  # Embed linked Swift runtime libraries. No longer necessary as of Xcode 7.
  if [ "${XCODE_VERSION_MAJOR}" -lt 7 ]; then
    local swift_runtime_libs
    swift_runtime_libs=$(xcrun otool -LX "$binary" | grep --color=never @rpath/libswift | sed -E s/@rpath\\\\/\\(.+dylib\\).*/\\\\1/g | uniq -u  && exit ${PIPESTATUS[0]})
    for lib in $swift_runtime_libs; do
      echo "rsync -auv \\"${SWIFT_STDLIB_PATH}/${lib}\\" \\"${destination}\\""
      rsync -auv "${SWIFT_STDLIB_PATH}/${lib}" "${destination}"
      code_sign_if_enabled "${destination}/${lib}"
    done
  fi
}

# Signs a framework with the provided identity
code_sign_if_enabled() {
  if [ -n "${EXPANDED_CODE_SIGN_IDENTITY}" -a "${CODE_SIGNING_REQUIRED:-}" != "NO" -a "${CODE_SIGNING_ALLOWED}" != "NO" ]; then
    # Use the current code_sign_identitiy
    echo "Code Signing $1 with Identity ${EXPANDED_CODE_SIGN_IDENTITY_NAME}"
    local code_sign_cmd="/usr/bin/codesign --force --sign ${EXPANDED_CODE_SIGN_IDENTITY} ${OTHER_CODE_SIGN_FLAGS:-} --preserve-metadata=identifier,entitlements '$1'"
    code_sign_cmd="$code_sign_cmd &"
    echo "$code_sign_cmd"
    eval "$code_sign_cmd"
  fi
}
install_framework "$1"