name: Release image

on:
  release:
    types: [published]
  workflow_dispatch:

permissions:
  contents: read
  packages: write

concurrency:
  group: release-image
  cancel-in-progress: false

jobs:
  # One leg per registry, so a registry having a bad day (Cloudflare rate
  # limits git.tben.me's blob uploads) can never fail the release image that
  # the installer installs from by default.
  image:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - registry: ghcr.io
            login_username: ${{ github.actor }}
            login_password: ${{ secrets.GITHUB_TOKEN }}
            soft: "false"
          - registry: git.tben.me
            login_username: ${{ secrets.GITEA_USERNAME }}
            login_password: ${{ secrets.GITEA_TOKEN }}
            soft: "true"
    continue-on-error: ${{ matrix.soft }}
    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-qemu-action@v3

      - uses: docker/setup-buildx-action@v3

      - name: Log in to ${{ matrix.registry }}
        uses: docker/login-action@v3
        with:
          registry: ${{ matrix.registry }}
          username: ${{ matrix.login_username }}
          password: ${{ matrix.login_password }}

      - name: Work out image tags
        id: tags
        env:
          EVENT: ${{ github.event_name }}
          RELEASE_TAG: ${{ github.event.release.tag_name }}
          REGISTRY: ${{ matrix.registry }}
        run: |
          set -euo pipefail
          sha="sha-${GITHUB_SHA::12}"
          if [ "$EVENT" = "release" ] && [ -n "$RELEASE_TAG" ]; then
            version="$RELEASE_TAG"
            minor="$(printf '%s' "$version" | sed -E 's/^v?([0-9]+)\.([0-9]+).*/\1.\2/')"
            tags="$(printf '%s\n' \
              "${REGISTRY}/moduletrace/cobble:latest" \
              "${REGISTRY}/moduletrace/cobble:${version}" \
              "${REGISTRY}/moduletrace/cobble:${minor}" \
              "${REGISTRY}/moduletrace/cobble:${sha}")"
          else
            tags="$(printf '%s\n' \
              "${REGISTRY}/moduletrace/cobble:${sha}")"
          fi
          {
            echo "tags<<EOF"
            echo "$tags"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.tags.outputs.tags }}
          provenance: false
          sbom: false
          cache-from: type=gha,scope=${{ matrix.registry }}
          cache-to: type=gha,mode=max,scope=${{ matrix.registry }}