name: Release

on:
  push:
    tags: ['v*']

permissions:
  contents: write

env:
  CARGO_TERM_COLOR: always

jobs:
  release:
    name: build and publish
    runs-on: ubuntu-latest
    # Built on Arch: the binary links the system dav1d and libheif, so it suits Arch and other
    # rolling distros. Elsewhere, build from source.
    container: archlinux:latest
    steps:
      - name: Install system dependencies
        run: |
          pacman -Syu --noconfirm --needed base-devel git pkgconf rustup github-cli \
            dav1d libheif libxkbcommon wayland
          rustup default stable
      - uses: actions/checkout@v7
      - name: Check the tag matches Cargo.toml
        run: |
          version="$(sed -n 's/^version = "\(.*\)"/\1/p' Cargo.toml | head -1)"
          test "v$version" = "$GITHUB_REF_NAME" || { echo "tag $GITHUB_REF_NAME, Cargo.toml $version"; exit 1; }
      - run: cargo test --locked --release
      - run: cargo build --locked --release
      - name: Package
        run: |
          name="remage-${GITHUB_REF_NAME}-x86_64-linux"
          dir="dist/$name"
          mkdir -p "$dir/completions" "$dir/contrib"
          install -m755 -s target/release/remage "$dir/"
          target/release/remage man > "$dir/remage.1"
          target/release/remage completions zsh > "$dir/completions/_remage"
          target/release/remage completions bash > "$dir/completions/remage.bash"
          target/release/remage completions fish > "$dir/completions/remage.fish"
          cp -r contrib/remage.desktop contrib/config.example.toml contrib/matugen contrib/pywal "$dir/contrib/"
          cp README.md LICENSE "$dir/"
          cp assets/fonts/OFL.txt "$dir/OFL-fonts.txt"
          tar -C dist -czf "dist/$name.tar.gz" "$name"
          (cd dist && sha256sum "$name.tar.gz" > "$name.tar.gz.sha256")
      - name: Release notes from CHANGELOG.md
        run: |
          version="${GITHUB_REF_NAME#v}"
          awk -v v="$version" '/^## /{p = index($0, "[" v "]") > 0; next} p' CHANGELOG.md > notes.md
          test -s notes.md || { echo "no CHANGELOG.md section for $version"; exit 1; }
      - name: Publish
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          git config --global --add safe.directory "$GITHUB_WORKSPACE"
          gh release create "$GITHUB_REF_NAME" --title "remage $GITHUB_REF_NAME" \
            --notes-file notes.md dist/*.tar.gz dist/*.sha256