tag.yml

name: Create Release Tag

on:
  workflow_dispatch:
    inputs:
      bump:
        description: "Version bump type"
        required: true
        type: choice
        options:
          - patch
          - minor
          - major

permissions:
  contents: write

jobs:
  tag:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0

      - name: Get latest tag
        id: latest
        run: |
          tag=$(git tag -l 'v*' --sort=-v:refname | head -n1)
          echo "tag=${tag:-v0.0.0}" >> "$GITHUB_OUTPUT"

      - name: Compute next version
        id: next
        env:
          CURRENT_TAG: ${{ steps.latest.outputs.tag }}
          BUMP_TYPE: ${{ inputs.bump }}
        run: |
          version="${CURRENT_TAG#v}"
          IFS='.' read -r major minor patch <<< "$version"

          case "$BUMP_TYPE" in
            major)
              major=$((major + 1))
              minor=0
              patch=0
              ;;
            minor)
              minor=$((minor + 1))
              patch=0
              ;;
            patch)
              patch=$((patch + 1))
              ;;
          esac

          echo "version=v${major}.${minor}.${patch}" >> "$GITHUB_OUTPUT"

      - name: Create and push tag
        env:
          NEW_VERSION: ${{ steps.next.outputs.version }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a "$NEW_VERSION" -m "Release $NEW_VERSION"
          git push origin "$NEW_VERSION"