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Add script to create an asset-only bundle
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‎PlayAssetDelivery/BundletoolScriptSample/create_asset_only_bundle.sh‎

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#!/bin/bash
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#
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# Copyright 2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# -------------------------------------------------------------------------------------
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#
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# Creates an asset-only bundle with the given asset packs.
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# Each asset pack should be a .zip with a manifest/AndroidManifest.xml file and an assets folder.
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# Specify:
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# - The path for the android SDK (typically ~/Android/Sdk)
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# - The path to a deploy jar of bundletool
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# - The asset-only bundle version tag and app versions
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# - The list of asset packs to add
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# - The output file
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# - the keystore information to sign the output bundle with your Play Console upload key
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USAGE='''
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.../create_asset_only_bundle.sh
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--android-sdk=${HOME}/Android/Sdk
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--bundletool=/google/bin/releases/bundletool/public/bundletool-all.jar
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--output=output_directory/output_bundle.aab
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--packdir=dir/containing/my/packs/
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--packs=assetpack1,assetpack2
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--tmpdir=/tmp/my-assetonly-tmp-dir/
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--app-versions=10,12
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--version-tag=mynewassets
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[--ks=dir/to/keystore]
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[--key=your-key]
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[--ks_password=your-pw]
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'''
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for i in "$@"
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do
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case $i in
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--android-sdk=*)
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ANDROID_SDK="${i#*=}"
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shift # past argument=value
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;;
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-b=*|--bundletool=*)
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BUNDLETOOL="${i#*=}"
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shift # past argument=value
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;;
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--packdir=*)
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PACKDIR="${i#*=}"
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shift # past argument=value
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;;
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-p=*|--packs=*)
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PACKS="${i#*=}"
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shift # past argument=value
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;;
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-o=*|--output=*)
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OUTPUT="${i#*=}"
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shift # past argument=value
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;;
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--app-versions=*)
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APP_VERSIONS="${i#*=}"
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shift # past argument=value
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;;
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--version-tag=*)
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VERSION_TAG="${i#*=}"
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shift # past argument=value
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;;
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--tmpdir=*)
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TMPDIR="${i#*=}"
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shift # past argument=value
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;;
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--ks=*)
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KEYSTORE="${i#*=}"
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shift # past argument=value
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;;
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--key=*)
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KEY="${i#*=}"
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shift # past argument=value
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;;
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--ks_password=*)
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KEY_PASSWORD="${i#*=}"
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shift # past argument=value
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;;
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*)
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echo "$USAGE"
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exit 1
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;;
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esac
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done
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if [[ -z "$ANDROID_SDK" ]] \
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|| [[ -z "$BUNDLETOOL" ]] \
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|| [[ -z "$PACKDIR" ]] \
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|| [[ -z "$PACKS" ]] \
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|| [[ -z "$OUTPUT" ]] \
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|| [[ -z "$APP_VERSIONS" ]] \
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|| [[ -z "$VERSION_TAG" ]] \
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|| [[ -z "$TMPDIR" ]];
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then
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echo "$USAGE"
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exit 1
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fi
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WD="$TMPDIR/assetonly_tmp"
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mkdir -p "${WD}"
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PACK_LIST=$(echo "$PACKS" | tr -s ',' ' ')
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BUNDLE_CONFIG='{
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"asset_modules_config": {
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"app_version": ['${APP_VERSIONS}'],
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"asset_version_tag": "'${VERSION_TAG}'"
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},
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"type": "ASSET_ONLY"
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}'
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echo "Preparing packs..."
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for PACK in $PACK_LIST
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do
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PACKNAME=$(basename -- "$PACK")
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PACKNAME=${PACKNAME%.*}
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unzip -q "${PACKDIR}/${PACK}.zip" -d "$WD/$PACKNAME"
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mv "$WD/$PACKNAME/manifest/AndroidManifest.xml" manifest.xml
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"$ANDROID_SDK/build-tools/28.0.3/aapt2" link \
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--proto-format \
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--output-to-dir \
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-o "$WD/$PACKNAME/manifest" \
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--manifest manifest.xml \
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-I "${ANDROID_SDK}/platforms/android-28/android.jar"
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rm "$WD/$PACKNAME/manifest/resources.pb"
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rm manifest.xml
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done
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cd "$WD"
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for MODULE in *
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do
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cd "$MODULE"
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zip -q -r -0 "../$MODULE.zip" *
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cd ..
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done
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MODULES=$(ls *.zip)
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# Replacing spaces and line breaks with comma.
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MODULES=$(echo "$MODULES" | tr -s ' \n' ',')
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# Removing trailing comma if present.
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MODULES=${MODULES%,}
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echo "Preparing BundleConfig..."
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BUNDLE_CONFIG_FILE="$WD/BundleConfig.json"
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echo "${BUNDLE_CONFIG}" > "$BUNDLE_CONFIG_FILE"
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echo "Running 'bundletool build-bundle --modules=$MODULES --output=$OUTPUT" \
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"--config=$BUNDLE_CONFIG_FILE'"
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java -jar "$BUNDLETOOL" build-bundle \
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--modules="$MODULES" \
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--output="$OUTPUT" \
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--config="$BUNDLE_CONFIG_FILE"
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cd ..
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rm -rf assetonly_tmp
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if [[ ! -z "$KEYSTORE" ]]; then
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echo "Signing"
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jarsigner -keystore "$KEYSTORE" \
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-storepass "$KEY_PASSWORD" \
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"$OUTPUT" \
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"$KEY"
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fi
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echo "Done"

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