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Script that will use the provided Android App Bundle (.aab) and change its version code and version name to the provided values, avoiding re-building the whole .aab. This enables us to re-submit a previously submited aab to the play store, doing a rollback to the given version.
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| #!/bin/sh | |
| # | |
| # Script that will use the provided Android App Bundle (.aab) and change its version code and version name to the provided values, avoiding re-building the whole .aab. | |
| # Run this script with: sh rollback.sh your_project.aab android_signing_key.key key_alias key_pwd version_code version_name | |
| # | |
| # Necessary setup: | |
| # | |
| # jarsigner - This binary should exist in the path | |
| # | |
| # Configuration.proto and Resources.proto can be found in aapt2's github | |
| # https://github.com/aosp-mirror/platform_frameworks_base/tree/master/tools/aapt2/Configuration.proto | |
| # https://github.com/aosp-mirror/platform_frameworks_base/tree/master/tools/aapt2/Resources.proto | |
| # | |
| # PROTO_BIN - The location of the protoc - Google's protobuf compiler | |
| # Swap <proto_bin_folder> for your setup's protoc folder | |
| # | |
| # ZIP_ALIGN - The location of Android's zipalign tool found on: | |
| # <Android_sdk_path>/build-tools/<build_version>/zipalign | |
| # | |
| # BUNDLE_TOOL - The location of Google's oficial bundletool. This dependency is just to generate the relevant .apk to verify that everything worked properly. | |
| # Download from: | |
| # https://github.com/google/bundletool/releases | |
| # | |
| if [ $# -ne 6 ] ; then | |
| echo "Not enough parameters supplied" | |
| fi | |
| # Begin - Setup necessary | |
| PROTO_BIN=<proto_bin_folder> | |
| ZIP_ALIGN=<Android_sdk_path>/build-tools/<build_version>/zipalign | |
| BUNDLE_TOOL=bundletool-all-0.8.0.jar | |
| # End - Setup | |
| # Inputs | |
| ORIGINAL_AAB=$1 | |
| ANDROID_SIGNING_KEY=$2 | |
| KEY_ALIAS=$3 | |
| SIGN_KEY_PWD=$4 | |
| VERSION_CODE=$5 | |
| VERSION_NAME=$6 | |
| SOURCE_FOLDER="${ORIGINAL_AAB%.*}" | |
| DEST_FOLDER=`basename $ORIGINAL_AAB .aab` | |
| OUT_FILE=$DEST_FOLDER.aab | |
| TEMP_FILE=temp_$OUT_FILE | |
| echo "Unpacking AAB - $ORIGINAL_AAB" | |
| unzip $ORIGINAL_AAB -d $DEST_FOLDER | |
| echo "Decoding AndroidManifest.xml" | |
| $PROTO_BIN --decode=aapt.pb.XmlNode --proto_path=tools Configuration.proto Resources.proto < $DEST_FOLDER/base/manifest/AndroidManifest.xml > AndroidManifest_temp.xml | |
| if [ $? != 0 ] ; then | |
| echo "Decoding AndroidManifest.xml failed." | |
| fi | |
| echo "Change Version Code" | |
| REGEX=`echo 's/(.*[vV]ersionCode"\\n.*")[0-9]+("\\n)((?:.*\\n)*?)(.*int_decimal_value: )[0-9]+/$1 . '$VERSION_CODE' . $2 . $3 . $4 . '$VERSION_CODE'/eg'` | |
| perl -0777 -i.backup -pe "$REGEX" AndroidManifest_temp.xml | |
| echo "Change Version Name" | |
| REGEX=`echo 's/(.*[vV]+ersionName"\\n.*value: )"[0-9\.]+"/\1"'$VERSION_NAME'"/g'` | |
| perl -0777 -i.backup -pe "$REGEX" AndroidManifest_temp.xml | |
| echo "Encoding edited AndroidManifest.xml" | |
| rm -rf $DEST_FOLDER/base/manifest/AndroidManifest.xml | |
| $PROTO_BIN --encode=aapt.pb.XmlNode --proto_path=tools Configuration.proto Resources.proto < AndroidManifest_temp.xml > $DEST_FOLDER/base/manifest/AndroidManifest.xml | |
| rm -rf AndroidManifest_temp.xml | |
| rm -rf AndroidManifest_temp.xml.backup | |
| if [ $? != 0 ] ; then | |
| echo "Encoding edited AndroidManifest.xml failed." | |
| fi | |
| echo "Generating" | |
| pushd $DEST_FOLDER | |
| rm -rf ./base/root/META-INF | |
| rm -rf ./META-INF | |
| zip -r -D ../$TEMP_FILE * | |
| popd | |
| if [ $? != 0 ] ; then | |
| echo "zipping failed" | |
| fi | |
| echo "Processing" | |
| jarsigner -verbose -keystore $ANDROID_SIGNING_KEY -storepass $SIGN_KEY_PWD $TEMP_FILE $KEY_ALIAS | |
| if [ $? != 0 ] ; then | |
| echo "jarsigner failed" | |
| fi | |
| $ZIP_ALIGN -f -v -p 4 $TEMP_FILE $OUT_FILE | |
| if [ $? != 0 ] ; then | |
| echo "zipalign failed" | |
| fi | |
| echo "Validation" | |
| java -Djava.io.tmpdir=$PWD -jar $BUNDLE_TOOL build-apks --bundle $OUT_FILE --mode universal --output rollback.apks --ks $ANDROID_SIGNING_KEY --ks-pass "pass:$SIGN_KEY_PWD" --ks-key-alias "$KEY_ALIAS" --key-pass "pass:$SIGN_KEY_PWD" | |
| if [ $? != 0 ] ; then | |
| echo "bundletool failed to generate apk" | |
| fi | |
| rm -rf $TEMP_FILE $DEST_FOLDER | |
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Configuration.proto and Resources.proto can be retrieved programatically like this: