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#!/usr/bin/env bash
# localizations.sh
# Exports strings from and Imports them to an Xcode project.
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
LOG_DIR="$SCRIPT_DIR/logs"
mkdir -p "$LOG_DIR"
TMP_LOG="$(mktemp)"
PROJECT_NAME="MullvadVPN"
SCHEME_NAME="$PROJECT_NAME"
XCODE_PROJECT_PATH="$SCRIPT_DIR/../../$PROJECT_NAME.xcodeproj"
LOCALIZATION_DIR="$SCRIPT_DIR/../locales"
TMP_EXPORT_DIR="${LOCALIZATION_DIR}/all_tmp_languages"
EXPORT_LANGUAGES=${EXPORT_LANGUAGES:-"en"}
CONFIGURATION="Debug"
BUILD_OUTPUT_DIR="$SCRIPT_DIR/build"
DERIVED_DATA_DIR="$BUILD_OUTPUT_DIR/derivedData"
trap 'on_fail' ERR
on_fail() {
set +e
echo "Export failed. Cleaning up and saving log..."
cleanup_build_folder
cleanup_temp_folder
mkdir -p "$(dirname "$LOG_FILE")"
cat "$TMP_LOG" >"$LOG_FILE"
echo "Full log saved to: $LOG_FILE"
exit 1
}
cleanup_build_folder() {
rm -rf "$BUILD_OUTPUT_DIR"
}
cleanup_temp_folder() {
rm -rf "$TMP_EXPORT_DIR"
}
exec > >(tee "$TMP_LOG") 2>&1
build_project() {
echo "Building project..."
if ! xcodebuild \
-project "$XCODE_PROJECT_PATH" \
-scheme "$SCHEME_NAME" \
-destination 'generic/platform=iOS' \
-configuration "$CONFIGURATION" \
-derivedDataPath "$DERIVED_DATA_DIR" \
-quiet \
CODE_SIGNING_REQUIRED=NO \
CODE_SIGNING_ALLOWED=NO \
clean build >"$TMP_LOG" 2>&1; then
echo "Failed to build project"
on_fail
fi
echo "Build succeeded"
}
export_localizations() {
echo "Exporting localizations for languages: $EXPORT_LANGUAGES"
IFS=',' read -r -a LANG_ARRAY <<<"$EXPORT_LANGUAGES"
for lang in "${LANG_ARRAY[@]}"; do
# Run xcodebuild and capture errors
if ! xcodebuild -exportLocalizations \
-project "$XCODE_PROJECT_PATH" \
-scheme "$SCHEME_NAME" \
-derivedDataPath "$DERIVED_DATA_DIR" \
-localizationPath "$TMP_EXPORT_DIR" \
-exportLanguage "$lang" \
-quiet \
CODE_SIGNING_REQUIRED=NO \
CODE_SIGNING_ALLOWED=NO \
>"$TMP_LOG" 2>&1; then
echo "Failed to export localization for $lang"
on_fail
fi
local xcloc_dir="${TMP_EXPORT_DIR}/${lang}.xcloc"
if [[ -d "$xcloc_dir" ]]; then
local xliff_file
xliff_file=$(find "$xcloc_dir" -name '*.xliff' | head -n 1)
if [[ -f "$xliff_file" ]]; then
cp "$xliff_file" "$LOCALIZATION_DIR/${lang}.xliff"
echo "Extracted $lang.xliff for Crowdin upload"
else
echo "No .xliff file found in $xcloc_dir"
false
fi
else
echo ".xcloc bundle not found for $lang"
false
fi
done
}
clean_xliff_translations() {
xliff_dir="$LOCALIZATION_DIR"
if [[ ! -d "$xliff_dir" ]]; then
echo "Directory not found: $xliff_dir"
return 1
fi
# Dictionary of keys to ignore for translation
declare -A UNNEEDED_KEYS=(
["CFBundleName"]=1
["CFBundleDisplayName"]=1
["NSHumanReadableCopyright"]=1
# Add more keys here if needed
)
for xliff in "$xliff_dir"/*.xliff; do
if [[ -f "$xliff" ]]; then
for key in "${!UNNEEDED_KEYS[@]}"; do
sed -i '' -E "/<trans-unit[^>]*id=\"$key\"[^>]*>/,/<\/trans-unit>/d" "$xliff"
done
else
echo "File not found: $xliff, skipping"
fi
done
}
import_localizations() {
# Directory where the .xliff files are stored
XLIFF_DIR="$LOCALIZATION_DIR"
# Loop through each .xliff file in the directory
for xliff_file in "$XLIFF_DIR"/*.xliff; do
# Skip if no files found
[ -e "$xliff_file" ] || continue
# Extract language code from filename, e.g., fr.xliff → fr
language_code=$(basename "$xliff_file" .xliff)
echo "Importing localization: $language_code from $xliff_file"
# Run xcodebuild and check for errors
if ! xcodebuild -importLocalizations \
-project "$XCODE_PROJECT_PATH" \
-scheme "$SCHEME_NAME" \
-derivedDataPath "$DERIVED_DATA_DIR" \
-localizationPath "$xliff_file" \
-exportLanguage "$language_code" \
-quiet \
CODE_SIGNING_REQUIRED=NO \
CODE_SIGNING_ALLOWED=NO \
>"$TMP_LOG" 2>&1; then
echo "Failed to import $xliff_file"
on_fail
fi
done
echo "All localizations imported successfully."
}
localization_to_export() {
LOG_FILE="$LOG_DIR/export-localization_$(date +%Y%m%d_%H%M%S).log"
build_project
export_localizations
clean_xliff_translations
cleanup_build_folder
cleanup_temp_folder
echo "Export complete. Crowdin-ready .xliff files are in: $LOCALIZATION_DIR"
rm -f "$TMP_LOG"
}
localization_to_import() {
LOG_FILE="$LOG_DIR/import-localization_$(date +%Y%m%d_%H%M%S).log"
build_project
import_localizations
cleanup_build_folder
cleanup_temp_folder
echo "Import complete. Localized .xliff files have been imported to code"
rm -f "$TMP_LOG"
}
# Main entrypoint
main() {
case "${1:-}" in
export)
localization_to_export
;;
import)
localization_to_import
;;
"")
echo "Available subcommands: export, import"
;;
*)
echo "Unknown parameter: $1"
exit 1
;;
esac
}
main "$@"
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