release.yml

name: Date Release

on:
  push:
    branches:
      - master

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # important to fetch all tags

      - name: Generate version based on date
        id: version
        run: |
          BASE_VERSION=$(date -u +'%Y.%-m.%-d')
          echo "Base version: $BASE_VERSION"

          # Fetch tags
          git fetch --tags

          # Find existing tags for today
          MATCHING_TAGS=$(git tag -l "${BASE_VERSION}*")

          if [ -z "$MATCHING_TAGS" ]; then
            FINAL_VERSION=$BASE_VERSION
          else
            # Extract numeric suffixes
            MAX_SUFFIX=$(echo "$MATCHING_TAGS" \
              | grep -E "^${BASE_VERSION}-[0-9]+$" \
              | sed -E "s/^${BASE_VERSION}-//" \
              | sort -n \
              | tail -n 1)

            if [ -z "$MAX_SUFFIX" ]; then
              FINAL_VERSION="${BASE_VERSION}-1"
            else
              NEXT=$((MAX_SUFFIX + 1))
              FINAL_VERSION="${BASE_VERSION}-${NEXT}"
            fi
          fi

          echo "Final version: $FINAL_VERSION"
          echo "version=$FINAL_VERSION" >> $GITHUB_OUTPUT

      - name: Create tag
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"
          git tag ${{ steps.version.outputs.version }}
          git push origin ${{ steps.version.outputs.version }}

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.version.outputs.version }}
          name: ${{ steps.version.outputs.version }}