build_pull_request.sh

#!/bin/bash

# Exit on error
set -e

# unshallow since GitHub actions does a shallow clone
git fetch --unshallow
git fetch origin

# Get all the modules that were changed
whileread line;do
 module_name=${line%%/*}
if [[ ${MODULES}!=*"${module_name}" ]];then
 MODULES="${MODULES}${module_name}"
fi
done<<(git diff --name-only origin/$GITHUB_BASE_REF)
changed_modules=$MODULES

# Get a list of all available gradle tasks
AVAILABLE_TASKS=$(./gradlew tasks --all)

# Check if these modules have gradle tasks
build_commands=""
formodulein$changed_modules
do
if [[ $AVAILABLE_TASKS=~$module":app:" ]];then
 build_commands=${build_commands}" :"${module}":app:assembleDebug :"${module}":app:check"
fi
done

# Build
echo"Building Pull Request with"
echo$build_commands
eval"./gradlew clean ktlint ${build_commands}"