tag.yml

name: Automated Semantic Versioning

on:
  workflow_dispatch: # Allows manual trigger from GitHub UI
  schedule:
    - cron: "0 0 * * *" # Run daily at midnight UTC
  push:
    branches:
      - main # Adjust this as necessary
    paths:
      - "**.go"

jobs:
  tag:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Fetch all history for all tags

      - name: Fetch latest tags
        run: git fetch --tags origin

      - name: Determine New Tag
        id: newtag
        run: |
          # Get the latest tag
          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
          echo "Latest tag: $LATEST_TAG"

          # Extract major, minor, patch
          IFS='.' read -r MAJOR MINOR PATCH <<< "${LATEST_TAG#v}"

          # Check commit messages since last tag
          COMMITS=$(git log $LATEST_TAG..HEAD --pretty=format:"%s")
          if echo "$COMMITS" | grep -qE "^BREAKING CHANGE"; then
            NEW_MAJOR=$((MAJOR + 1))
            NEW_MINOR=0
            NEW_PATCH=0
          elif echo "$COMMITS" | grep -qE "^feat:"; then
            NEW_MAJOR=$MAJOR
            NEW_MINOR=$((MINOR + 1))
            NEW_PATCH=0
          elif echo "$COMMITS" | grep -qE "^fix:"; then
            NEW_MAJOR=$MAJOR
            NEW_MINOR=$MINOR
            NEW_PATCH=$((PATCH + 1))
          else
            echo "No version bump needed"
            exit 0
          fi

          NEW_TAG="v$NEW_MAJOR.$NEW_MINOR.$NEW_PATCH"
          echo "New tag: $NEW_TAG"
          echo "NEW_TAG=$NEW_TAG" >> $GITHUB_ENV

      - name: Check if tag exists
        id: check_tag
        if: env.NEW_TAG != ''
        run: |
          if git rev-parse ${{ env.NEW_TAG }} >/dev/null 2>&1; then
            echo "Tag ${{ env.NEW_TAG }} already exists"
            echo "TAG_EXISTS=true" >> $GITHUB_ENV
          else
            echo "TAG_EXISTS=false" >> $GITHUB_ENV
          fi

      - name: Create and Push New Tag
        if: env.NEW_TAG != '' && env.TAG_EXISTS == 'false'
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com
          git tag -a ${{ env.NEW_TAG }} -m "Release ${{ env.NEW_TAG }}"
          git push origin ${{ env.NEW_TAG }}
          echo "TAG_CREATED=true" >> $GITHUB_ENV

      - name: Trigger Release Workflow
        if: env.TAG_CREATED == 'true'
        uses: peter-evans/repository-dispatch@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          event-type: trigger-release
          client-payload: '{"tag": "${{ env.NEW_TAG }}"}'

      - name: Notify on Skipped Tag
        if: env.NEW_TAG == '' || env.TAG_EXISTS == 'true'
        run: |
          if [ -z "${{ env.NEW_TAG }}" ]; then
            echo "No new tag was created as no version bump was needed."
          else
            echo "Tag ${{ env.NEW_TAG }} already exists. Skipping tag creation."
          fi