prerelease.yml

name: prerelease

on:
  # Run Every Wednesday at 01:00 AM UTC
  # schedule:
  #   - cron: '0 2 * * 3'
  workflow_dispatch:
    inputs:
      release-tag:
        description: "Release tag (default: Patch)"
        required: true
        type: choice
        default: 'patch'
        options:
          - patch
          - minor
          - major

      skip-release:
          description: "Skip the tag creation step (default: false)"
          type: boolean
          default: false
  

permissions: write-all

jobs:
  prerelease:
    name: Prerelease
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.RELEASE_TOKEN }}

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          cache: true
          go-version-file: 'go.mod'
          cache-dependency-path: go.sum
      
      - name: Configure Git
        env:
          TOKEN: ${{ secrets.RELEASE_TOKEN }}
        run: |
            git config --global advice.detachedHead false
            git config --global url."https://${TOKEN}:x-oauth-basic@github.com/".insteadOf "https://github.com/"
            git config user.name "sylviamoss"
            git config user.email "sylviamoss@gmail.com"

      - name: Check For Changes
        id: changes
        run: |
          CURRENT_VERSION=$(git describe --tags `git rev-list --tags --max-count=1`)
          DIFF_CONTENT=$(git diff $CURRENT_VERSION origin/master)
          if [[ $DIFF_CONTENT == "" ]]; then
            echo "There were no changes since the last release."
            echo "There were no changes since the last release." >> $GITHUB_STEP_SUMMARY
            echo "HAS_CHANGES=false" >> $GITHUB_OUTPUT
          else
            echo "There were changes since the last release."
            echo "HAS_CHANGES=true" >> $GITHUB_OUTPUT
            echo "CURRENT_VERSION=$CURRENT_VERSION" >> "$GITHUB_ENV"
          fi

      - name: Prepare Release
        if: steps.changes.outputs.HAS_CHANGES == 'true'
        env:
          RELEASE_TAG: ${{ inputs.release-tag }}
          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        run: |
          CURRENT_VERSION_PARTS=(${CURRENT_VERSION//./ })
          MAJOR=${CURRENT_VERSION_PARTS[0]}
          MINOR=${CURRENT_VERSION_PARTS[1]}
          PATCH=${CURRENT_VERSION_PARTS[2]}

          if [[ $RELEASE_TAG == "major" ]]; then
            MAJOR=$((MAJOR+1))
            MINOR=0
            PATCH=0
          elif [[ $RELEASE_TAG == "minor" ]]; then
            MINOR=$((MINOR+1))
            PATCH=0
          elif [[ $RELEASE_TAG == "patch" ]]; then
            PATCH=$((PATCH+1))
          fi

          NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
          echo "NEW_VERSION=$NEW_VERSION" >> "$GITHUB_ENV"

          echo "Current Version is: $CURRENT_VERSION"
          echo "New Version will be: $NEW_VERSION"
          echo "## Updating ${CURRENT_VERSION} to ${NEW_VERSION}" >> $GITHUB_STEP_SUMMARY

          echo "## Commits that will be added to the release" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
          git log --oneline $CURRENT_VERSION...master | cat >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
        

      - name: Release New Version
        if: ${{ success() && github.ref_name == 'master' && steps.changes.outputs.HAS_CHANGES == 'true' && !inputs.skip-release }}
        env:
          # Github actions need special tokens to be able to trigger other workflows
          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        run: |
          git tag -a ${NEW_VERSION} -m "New version ${NEW_VERSION}"
          echo "Pushing new tag to remote, which will trigger the Release workflow"
          git push --tags