.gitlab-ci.yml

image: eclipse-temurin:17-jdk

stages:
  - checks
  - build
  - release

variables:
  CI: "true"
  ANDROID_SDK_ROOT: "/sdk"
  ANDROID_SDK_BUILD_TOOLS: "35.0.0"
  ANDROID_SDK_PLATFORM: "35"   # update this if a new version is set in build.gradle!
  KEYSTORE_FILE: "$CI_PROJECT_DIR/keystore.jks"
  APK_PATH: "app/build/outputs/apk/release/"
  GITLAB_API_URL: "https://gitlab.com/-/project/$CI_PROJECT_ID"

setup:
  stage: checks
  only:
    - tags
  script:
    - echo "Running checks for environment ..."
    - |
      if [ -z "$KEYSTORE_BASE64" ]; then
        echo "Error: No keystore set!"
        exit 1
      fi
    - |
      if [ -z "$KEYSTORE_PASSWORD" ]; then
        echo "Error: No password for keystore set!"
        exit 1
      fi
    - |
      if [ -z "$KEY_ALIAS" ]; then
        echo "Error: No key alias set!"
        exit 1
      fi
    - |
      if [ -z "$KEY_PASSWORD" ]; then
        echo "Error: No password for key set!"
        exit 1
      fi
    - java --version
    - echo "Checks complete"

build_release_apk:
  stage: build
  dependencies:
    - setup
  only:
    - tags
  script:
    - echo "Installing cli tools ..."
    - apt-get update && apt-get install -y unzip wget
    - echo "Successfully installed basic cli tools."
    - echo "Installing sdk tools ..."
    - wget https://dl.google.com/android/repository/commandlinetools-linux-8092744_latest.zip -O sdk-tools.zip
    - mkdir -p $ANDROID_SDK_ROOT && unzip sdk-tools.zip -d $ANDROID_SDK_ROOT
    - echo "Accepting licenses for sdk tools ..."
    - set +o pipefail
    - yes | $ANDROID_SDK_ROOT/cmdline-tools/bin/sdkmanager --sdk_root=$ANDROID_SDK_ROOT --licenses
    - set -o pipefail
    - |
      if [ $? -ne 0 ]; then
        echo "Error: Failed to accept the licenses!"
        exit 1
      fi
    - echo "Successfully accepted licenses for sdk tools."
    - $ANDROID_SDK_ROOT/cmdline-tools/bin/sdkmanager --sdk_root=$ANDROID_SDK_ROOT "platforms;android-$ANDROID_SDK_PLATFORM" "platform-tools" "build-tools;$ANDROID_SDK_BUILD_TOOLS"
    - echo "Successfully installed sdk tools."

    - echo "Decoding keystore ..."
    - echo $KEYSTORE_BASE64 | base64 -d > $KEYSTORE_FILE
    - |
      if [ $? -ne 0 ]; then
        echo "Error: Failed to decode the keystore!"
        exit 1
      fi
    - |
      if [ ! -f "$KEYSTORE_FILE" ]; then
        echo "Error: Failed to write the keystore file!"
        exit 1
      fi
    - echo "Successfully decoded keystore"

    - echo "Building release apk for new tag $CI_COMMIT_TAG ..."
    - chmod +x ./gradlew
    - ./gradlew assembleRelease
    - ls -l $APK_PATH
    - export RELEASE_APK=$(find "$APK_PATH" -name "*.apk")
    - |
      if [ -z "$RELEASE_APK" ]; then
        echo "Error: Failed to find the built APK!"
        exit 1
      fi
    - |
      if [ ! -f "$RELEASE_APK" ]; then
        echo "Error: Failed to find the APK file!"
        exit 1
      fi
    - export RELEASE_APK_NAME=$(basename "$RELEASE_APK")
    - echo "Successfully built APK $RELEASE_APK_NAME to $RELEASE_APK"

    - echo "Checking signature ..."
    - $ANDROID_SDK_ROOT/build-tools/$ANDROID_SDK_BUILD_TOOLS/apksigner verify $RELEASE_APK
    - echo "Successfully checked signature."
    #
    #    - echo "Checking version code against tag name ..."
    #    - VERSION_NAME=$($ANDROID_SDK_ROOT/build-tools/$ANDROID_SDK_BUILD_TOOLS/aapt dump badging "$RELEASE_APK" | grep "versionName" | awk -F"'" '{print $4}')
    #    - TAG_VERSION=${CI_COMMIT_TAG#v}
    #    - |
    #      if [ "$VERSION_NAME" != "$TAG_VERSION" ]; then
    #        echo "Error: Tag name does not match version code!"
    #      fi
    - echo "Successfully checked version code."

  artifacts:
    paths:
      - "$APK_PATH/*.apk"
    expire_in: 7 days

create_release:
  stage: release
  only:
    - tags
  dependencies:
    - build_release_apk
  script:
    - echo "Retrieving artifact APK ..."
    - ls -l $APK_PATH
    - export RELEASE_APK=$(find "$APK_PATH" -name "*.apk")
    - |
      if [ -z "$RELEASE_APK" ]; then
        echo "Error: Failed to find the artifact APK!"
        exit 1
      fi
    - |
      if [ ! -f "$RELEASE_APK" ]; then
        echo "Error: Failed to find the artifact APK file!"
        exit 1
      fi
    - export RELEASE_APK_NAME=$(basename "$RELEASE_APK")
    - echo "Successfully found artifact APK $RELEASE_APK_NAME at $RELEASE_APK"

    - echo "Installing cli tools ..."
    - apt-get update && apt-get install -y curl jq
    - echo "Successfully installed basic cli tools."

    - echo "Uploading APK"
    - |
      UPLOAD_URL=$(curl --request POST --header "JOB-TOKEN: $CI_JOB_TOKEN" \
      --form "file=@$RELEASE_APK" \
      "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/uploads" | jq -r '.url')
    - |
      if [ -z "$UPLOAD_URL" ]; then \
        echo "Error: Upload of APK failed!"
        exit 1  
      fi
    - |
      if [ $? -ne 0 ]; then
        echo "Error: Failed to upload the APK!"
        exit 1
      fi
    - echo "Successfully uploaded APK at $UPLOAD_URL"

    - RELEASE_NAME="$CI_COMMIT_TAG"
    - echo "Creating new release $RELEASE_NAME ..."
    - |
      curl --request POST --header "JOB-TOKEN: $CI_JOB_TOKEN" \
      --data "name=$RELEASE_NAME" \
      --data "tag_name=$CI_COMMIT_TAG" \
      --data-urlencode "description=[$RELEASE_APK_NAME]($GITLAB_API_URL$UPLOAD_URL)" \
      "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/releases"
    - |
      if [ $? -ne 0 ]; then
        echo "Error: Failed to create the release!"
        exit 1
      fi
    - echo "Successfully created release"

    #    - echo "Connecting APK to release"
    #    - |
    #      curl --request PUT --header "JOB-TOKEN: $CI_JOB_TOKEN" \
    #      --data-urlencode "assets[links][][name]=$RELEASE_APK_NAME" \
    #      --data-urlencode "assets[links][][url]=$CI_PROJECT_URL$UPLOAD_URL" \
    #      "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/releases/$RELEASE_NAME"
    #    - |
    #      if [ $? -ne 0 ]; then
    #        echo "Error: Failed to connect release and APK!"
    #        exit 1
    #      fi
    #    - echo "Sucessfully connected APK to release"

    - echo "Creating static URL"
    - |
      curl --request POST --header "JOB-TOKEN: $CI_JOB_TOKEN" \
      --data name="APK release" \
      --data url=$GITLAB_API_URL$UPLOAD_URL \
      --data filepath="/app-release.apk" \
      "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/releases/$RELEASE_NAME/assets/links"
    - |
      if [ $? -ne 0 ]; then
        echo "Error: Failed to create a static URL!"
        exit 1
      fi
    - echo "Successfully created static URL"

    - echo "Done"