build.yml

name: Build

on:
  push:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    concurrency:
      group: gotify-build-lock

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Sanity check
      run: |
        GO_VERSION=$(cat GO_VERSION)
        MATCHES=$(curl -fsSL 'https://go.dev/dl/?mode=json&include=all' | jq --arg GO_VERSION "$GO_VERSION" -r 'map(select(.version == "go\($GO_VERSION)")) | length')
    
        if [ "$MATCHES" -ne 1 ]; then
          echo "Invalid Go version: $GO_VERSION, found $MATCHES matches"
          exit 1
        fi
    
    - name: Build
      run: make build

    - name: Login to Docker
      if: ${{ !startsWith(github.ref, 'refs/tags/v') && github.ref == 'refs/heads/master' }}
      uses: docker/login-action@v3
      with:
        username: ${{ secrets.DOCKER_USER }}
        password: ${{ secrets.DOCKER_PASS }}
    
    - name: Push and tag
      # push if we are not already tagged, the workflow is triggered by a manual go_version input or we are on master
      if: ${{ !startsWith(github.ref, 'refs/tags/v') && github.ref == 'refs/heads/master' }}
      run: |
          GO_VERSION=$(cat GO_VERSION)

          if git tag --list "v${GO_VERSION}" | grep -q "v${GO_VERSION}"; then
            echo "Tag v${GO_VERSION} already exists"
            exit 1
          fi

          if ! make push; then
            echo "Failed to push tags"
            exit 1
          fi

          git config user.name "gotifyci"
          git config user.email "gotify@protonmail.com"
          
          git tag "v${GO_VERSION}" -m "Bump to Go $GO_VERSION"
          git push origin --tags