release.yml

name: Release RMK using GoReleaser

on:
  push:
    branches:
      - master
      - release/*

permissions:
  contents: write

env:
  # AWS region of the AWS account storing images in ECR.
  CORE_AWS_REGION: eu-north-1

jobs:
  goreleaser:
    name: Release RMK using GoReleaser
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: 1.21

      - name: Configure AWS credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-region: ${{ env.CORE_AWS_REGION }}
          aws-access-key-id: ${{ secrets.RMK_AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.RMK_AWS_SECRET_ACCESS_KEY }}

      - name: Get and push new tag version
        run: |
          # constants for selecting branches
          readonly GIT_BRANCH="${GITHUB_REF_NAME}"
          readonly GITHUB_ORG="${GITHUB_REPOSITORY_OWNER}"
          
          function resolve_release_envs() {
            echo "Git commit message:"
            GIT_COMMIT_MSG="$(git log -1 --pretty=format:"%s")"
            echo "${GIT_COMMIT_MSG}"
          
            if [[ ! "${GIT_COMMIT_MSG}" =~ ^Merge\ pull\ request\ #[0-9]+\ from\ ${GITHUB_ORG}/(hotfix|release)/(v[0-9]+\.[0-9]+\.[0-9]+)$ ]]; then
              >&2 echo "Pushes to master should be done via merges of PR requests from hotfix/vN.N.N or release/vN.N.N branches only."
              >&2 echo "The expected message format (will be used for parsing a release tag):"
              >&2 echo "Merge pull request #N from ${GITHUB_ORG}/hotfix/vN.N.N or ${GITHUB_ORG}/release/vN.N.N."
              exit 1
            fi
          
            VERSION="${BASH_REMATCH[2]}"
            echo "DISABLE_BLOB_RMK_RC=true" >> "${GITHUB_ENV}"
          }
          
          case "${GIT_BRANCH}" in
            release/*)
              VERSION="${GIT_BRANCH#release/}-rc"
              echo "DISABLE_BLOB_RMK=true" >> "${GITHUB_ENV}"
              echo "Release candidate version: ${VERSION}"
              git fetch --tags &> /dev/null
              if (git tag | grep "${VERSION}" &> /dev/null); then 
                git tag --delete "${VERSION}"
                git push --delete origin "${VERSION}"
              fi
              ;;
            master)
              resolve_release_envs
              ;;
          esac

          echo "Configure Git user.name and user.email."
          git config user.name github-actions
          git config user.email github-actions@github.com

          echo "Add Git tag ${VERSION}."
          git tag "${VERSION}"
          git push origin "${VERSION}" -f

      - name: Run GoReleaser artifact build
        uses: goreleaser/goreleaser-action@v5
        with:
          distribution: goreleaser
          version: v1.23.0
          args: build --clean

      - name: Copy metadata RMK release
        run: |
          cp ./dist/metadata.json ./bin/metadata.json
          {
            echo 'RELEASE_NOTES<<EOF'
            cat docs/release-notes.md
            echo 'EOF'
          } >> "${GITHUB_ENV}"

      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v5
        with:
          distribution: goreleaser
          version: v1.23.0
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}