tokf 0.1.4

name: Release

on:
  release:
    types: [published]

permissions:
  contents: write

env:
  CARGO_TERM_COLOR: always

jobs:
  publish:
    name: Publish to crates.io
    if: startsWith(github.event.release.tag_name, 'tokf-v')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Publish tokf
        run: cargo publish -p tokf
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

  build-binaries:
    name: Build ${{ matrix.target }}
    if: startsWith(github.event.release.tag_name, 'tokf-v')
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: aarch64-apple-darwin
            runner: macos-14
          - target: x86_64-apple-darwin
            runner: macos-14
          - target: x86_64-unknown-linux-gnu
            runner: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}

      - uses: Swatinem/rust-cache@v2
        with:
          key: ${{ matrix.target }}

      - name: Build release binary
        run: cargo build --release --target ${{ matrix.target }}

      - name: Package binary
        shell: bash
        run: |
          TAG="${{ github.event.release.tag_name }}"
          VERSION="${TAG#tokf-v}"
          ARCHIVE="tokf-v${VERSION}-${{ matrix.target }}.tar.gz"
          cp "target/${{ matrix.target }}/release/tokf" tokf
          tar -czf "${ARCHIVE}" tokf
          echo "ARCHIVE=${ARCHIVE}" >> "$GITHUB_ENV"
          openssl dgst -sha256 "${ARCHIVE}" | awk '{print $2}' > "${ARCHIVE}.sha256"

      - name: Upload to release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release upload "${{ github.event.release.tag_name }}" \
            "${{ env.ARCHIVE }}" \
            "${{ env.ARCHIVE }}.sha256"

  update-homebrew:
    name: Update Homebrew tap
    needs: build-binaries
    if: startsWith(github.event.release.tag_name, 'tokf-v')
    runs-on: ubuntu-latest
    steps:
      - name: Compute version
        id: version
        run: |
          TAG="${{ github.event.release.tag_name }}"
          echo "version=${TAG#tokf-v}" >> "$GITHUB_OUTPUT"

      - name: Download SHA256 checksums
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          for TARGET in aarch64-apple-darwin x86_64-apple-darwin x86_64-unknown-linux-gnu; do
            gh release download "${{ github.event.release.tag_name }}" \
              --repo "${{ github.repository }}" \
              --pattern "tokf-v${VERSION}-${TARGET}.tar.gz.sha256" \
              --output "${TARGET}.sha256"
          done
          echo "SHA256_AARCH64=$(cat aarch64-apple-darwin.sha256)" >> "$GITHUB_ENV"
          echo "SHA256_X86_64_DARWIN=$(cat x86_64-apple-darwin.sha256)" >> "$GITHUB_ENV"
          echo "SHA256_LINUX=$(cat x86_64-unknown-linux-gnu.sha256)" >> "$GITHUB_ENV"

      - name: Generate GitHub App token
        id: app-token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ secrets.REPOSITORY_BUTLER_APP_ID }}
          private-key: ${{ secrets.REPOSITORY_BUTLER_PEM }}
          repositories: homebrew-tokf

      - name: Checkout homebrew-tokf tap
        uses: actions/checkout@v4
        with:
          repository: mpecan/homebrew-tokf
          token: ${{ steps.app-token.outputs.token }}
          path: homebrew-tokf

      - name: Update formula
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          python3 - <<'EOF'
          import os, textwrap
          v = os.environ['VERSION']
          sha_arm = os.environ['SHA256_AARCH64']
          sha_intel = os.environ['SHA256_X86_64_DARWIN']
          sha_linux = os.environ['SHA256_LINUX']
          base = "https://github.com/mpecan/tokf/releases/download"
          formula = textwrap.dedent(f"""
            class Tokf < Formula
              desc "Config-driven CLI that compresses command output before it reaches an LLM context"
              homepage "https://tokf.net"
              version "{v}"
              license "MIT"

              on_macos do
                on_arm do
                  url "{base}/tokf-v{v}/tokf-v{v}-aarch64-apple-darwin.tar.gz"
                  sha256 "{sha_arm}"
                end
                on_intel do
                  url "{base}/tokf-v{v}/tokf-v{v}-x86_64-apple-darwin.tar.gz"
                  sha256 "{sha_intel}"
                end
              end

              on_linux do
                on_intel do
                  url "{base}/tokf-v{v}/tokf-v{v}-x86_64-unknown-linux-gnu.tar.gz"
                  sha256 "{sha_linux}"
                end
              end

              def install
                bin.install "tokf"
              end

              test do
                assert_match "tokf", shell_output("#{{bin}}/tokf --version")
              end
            end
          """).strip()
          with open("homebrew-tokf/Formula/tokf.rb", "w") as f:
              f.write(formula + "\n")
          EOF

      - name: Commit and push
        working-directory: homebrew-tokf
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add Formula/tokf.rb
          git commit -m "chore: update tokf to v${{ steps.version.outputs.version }}"
          git push