updateApk.sh

#!/bin/bash
set -e

export PUBLISH_BRANCH=${PUBLISH_BRANCH:-master}
export DEVELOPMENT_BRANCH=${DEVELOPMENT_BRANCH:-develop}

# Setup git
git config --global user.email "noreply@travis.com"
git config --global user.name "Travis CI" 

# Execute the following script only if it's merge to development or master branch
if [ "$TRAVIS_PULL_REQUEST" != "false" -o "$TRAVIS_REPO_SLUG" != "krharsh17/barview-android" ] || ! [ "$TRAVIS_BRANCH" == "$DEVELOPMENT_BRANCH" -o "$TRAVIS_BRANCH" == "$PUBLISH_BRANCH" ]; then
    echo "We upload apk only for changes in Development or Master"
    exit 0
fi

# Generates app bundle
./gradlew bundleRelease

# Clone the repository
git clone --quiet --branch=apk "https://krharsh17:$GITHUB_KEY@github.com/krharsh17/barview-android" apk > /dev/null

cd apk

# Remove old files
if [ "$TRAVIS_BRANCH" == "$PUBLISH_BRANCH" ]; then
    rm -rf barview-master*
else
    rm -rf barview-dev*
fi

# Copy apk files
find ../app/build/outputs -type f -name '*.apk' -exec cp -v {} . \;

for file in app*; do
    if [ "$TRAVIS_BRANCH" == "$PUBLISH_BRANCH" ]; then
            mv "$file" barview-master-"${file:4}"
        
    elif [ "$TRAVIS_BRANCH" == "$DEVELOPMENT_BRANCH" ]; then
        mv "$file" barview-dev-"${file:4}"
    fi
done

git checkout --orphan temporary

git add .
git commit -m "Travis build pushed to [$TRAVIS_BRANCH]"

# Delete current apk branch
git branch -D apk
# Rename current branch to apk
git branch -m apk

git push origin apk -f --quiet > /dev/null