name: Build Blog Docker Image

on:
  push:
    branches:
      - main

jobs:
  # No space in the job id: it is interpolated verbatim into the podman network
  # name, and podman rejects [a-zA-Z0-9][a-zA-Z0-9_.-]* violations that docker let through.
  build-docker:
    runs-on: ubuntu-latest
    env:
      IMAGE: git.d3vyce.fr/${{ github.repository }}:latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v7
        # actions/checkout#1830
        # with:
        #   lfs: 'true'
      - name: Checkout LFS
        run: |
          function EscapeForwardSlash() { echo "$1" | sed 's/\//\\\//g'; }
          readonly ReplaceStr="EscapeForwardSlash ${{ gitea.repository }}.git/info/lfs/objects/batch"; sed -i "s/\(\[http\)\( \".*\)\"\]/\1\2`$ReplaceStr`\"]/" .git/config
          /usr/bin/git lfs fetch    origin refs/remotes/origin/${{ gitea.ref_name }}
          /usr/bin/git lfs checkout
      - name: Verify LFS objects resolved
        run: |
          # A failed fetch leaves pointer files behind and hugo only dies later on
          # .Resize with "image: unknown format". Fail here, where the cause is legible.
          if git lfs ls-files | awk '$2 == "-"' | grep -q .; then
            echo "::error::LFS objects missing - these are still pointer files:"
            git lfs ls-files | awk '$2 == "-" { print "  " $3 }'
            exit 1
          fi
      - name: Install buildah
        run: |
          apt-get update && apt-get install -y  buildah
      - name: Build and push
        run: |
          buildah login -u "${{ github.actor }}" -p "${{ secrets.GIT_TOKEN }}" git.d3vyce.fr
          buildah --storage-driver vfs build --isolation chroot -t "$IMAGE" -f ./Dockerfile .
          buildah --storage-driver vfs push "$IMAGE"