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name: Gitweb

on:
  push:
    branches: [main]
    paths:
      - Dockerfile.gitweb
      - conf/gitweb.conf
      - conf/lighttpd.conf
      - .github/workflows/gitweb.yml

permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: Build gitweb
    runs-on: ubuntu-latest
    permissions:
      packages: write # push container image to GHCR.
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
      - uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - id: short-sha
        run: echo "sha=${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"
      - uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v6.0.0
        id: meta
        with:
          images: ghcr.io/${{ github.repository }}-gitweb
          tags: |
            type=raw,value={{date 'YYYYMMDD'}}-${{ steps.short-sha.outputs.sha }}
            type=raw,value=latest
      - uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
        with:
          context: .
          file: Dockerfile.gitweb
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max