ci.yml

name: CI

on:
  push:
    branches: [main, "feature/*", "fix/*"]
    tags: ["v*"]
  pull_request:
    branches: [main]
  workflow_dispatch:

# Cancel in-progress runs for the same branch / PR
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  MIX_ENV: test
  OTP_VERSION: "29.0"
  ELIXIR_VERSION: "1.20.1"

jobs:
  # ── Linux: full CI quality gate ─────────────────────────────────────
  linux:
    name: "Linux · Elixir 1.20.1 · OTP 29.0"
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v4

      - name: Set up Elixir
        uses: erlef/setup-beam@v1
        with:
          otp-version: ${{ env.OTP_VERSION }}
          elixir-version: ${{ env.ELIXIR_VERSION }}

      - name: Cache build artifacts
        uses: actions/cache@v4
        with:
          path: |
            _build
            deps
            priv/plts
          key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-
            ${{ runner.os }}-

      - name: Install dependencies
        run: mix deps.get

      - name: Compile (warnings-as-errors)
        # We intentionally don't pass --all-warnings: that flag treats
        # third-party dep warnings (hpax bitstring ops, yamerl's
        # deprecated catch, etc.) as errors. We only want to enforce
        # warnings-as-errors on our own code, which `mix compile
        # --warnings-as-errors` already does.
        run: mix compile --warnings-as-errors

      - name: Check formatting
        run: mix format --check-formatted

      - name: Credo (strict)
        run: mix credo --strict

      - name: Audit dependencies for CVEs
        run: mix deps.audit

      - name: Check for unused dependencies
        run: mix deps.unlock --check-unused

      - name: xref (no orphan modules)
        run: mix xref graph --label compile-connected --fail-above 0

      - name: Dialyzer
        run: mix ci.dialyzer
        timeout-minutes: 15

      - name: Run tests with coverage
        # mix test --cover runs the tests once and produces both
        # the Elixir coverage report (cover/*.html) and the
        # excoveralls JSON (cover/excoveralls.json via tool: ExCoveralls).
        # The strict threshold check is disabled (threshold: 0 in
        # mix.exs) until CLI integration tests are added.
        run: mix test --cover

      - name: Post coverage to Codecov
        # Push the JSON to codecov.io using their bash uploader. This
        # is the path recommended by excoveralls for Codecov.
        #
        # Requires CODECOV_TOKEN in repo Settings -> Secrets -> Actions.
        # Get the token at https://codecov.io/gh/gilbertwong96/ado_cli
        # -> Settings -> Upload Token. The bash uploader reads it from
        # the CODECOV_TOKEN env var.
        #
        # Skip the step if the secret is not set. We don't fail the
        # build over missing coverage uploads — coverage is still
        # available as an action artifact download.
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
        run: |
          if [ -z "$CODECOV_TOKEN" ]; then
            echo "::notice::CODECOV_TOKEN not set — skipping Codecov upload."
            echo "Add it at https://codecov.io/gh/gilbertwong96/ado_cli"
            echo "to enable the coverage badge."
            exit 0
          fi
          curl -Os https://uploader.codecov.io/latest/linux/codecov
          chmod +x codecov
          ./codecov --token "$CODECOV_TOKEN" --file ./cover/excoveralls.json
        continue-on-error: true

      - name: Upload coverage artifact
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: coverage-linux
          path: cover/excoveralls.json
          retention-days: 30

  # ── macOS: smoke test (the CLI is cross-compiled via Burrito) ──────
  macos:
    name: "macOS · Elixir 1.20.1"
    runs-on: macos-latest
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@v4

      - name: Set up Elixir
        uses: erlef/setup-beam@v1
        with:
          otp-version: ${{ env.OTP_VERSION }}
          elixir-version: ${{ env.ELIXIR_VERSION }}

      - name: Cache build artifacts
        uses: actions/cache@v4
        with:
          path: |
            _build
            deps
            priv/plts
          key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-
            ${{ runner.os }}-

      - name: Install dependencies
        run: mix deps.get

      - name: Build escript
        run: mix escript.build

      - name: "Smoke test: --help works"
        run: "./ado --help"


      - name: "Smoke test: whoami with no auth returns friendly error"
        run: |
          rm -f "$HOME/.ado_cli/config.json"
          ./ado whoami || true

      - name: "Smoke test: logout is idempotent"
        run: ./ado logout

      - name: Run tests
        run: mix test

  # ── Summary job — gate merge on all green ───────────────────────────
  ci-status:
    name: CI Status
    if: always()
    needs: [linux, macos]
    runs-on: ubuntu-latest
    steps:
      - name: Fail if any matrix job failed
        if: needs.linux.result != 'success' || needs.macos.result != 'success'
        run: |
          echo "Linux result: ${{ needs.linux.result }}"
          echo "macOS result: ${{ needs.macos.result }}"
          exit 1

  # ── Release build: cross-compile via Burrito, rename, upload artifacts ─
  release:
    name: "Release · Burrito · ${{ matrix.label }}"
    # Only build releases on pushes to main (not on PRs) and on tag pushes.
    # Use workflow_dispatch to trigger manually for ad-hoc builds.
    if: |
      github.event_name == 'push' &&
      (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/'))
    needs: [ci-status]
    runs-on: ${{ matrix.os }}
    timeout-minutes: 30
    strategy:
      # Don't cancel other platforms if one fails — we want all
      # binaries even if e.g. macOS signing fails.
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            target: linux
            cpu: x86_64
            ext: ""
            label: "Linux x86_64"
            artifact: ado-linux-x86_64
          - os: ubuntu-24.04-arm
            target: linux_arm
            cpu: aarch64
            ext: ""
            label: "Linux ARM64"
            artifact: ado-linux-aarch64
          - os: macos-latest
            target: macos
            cpu: aarch64
            ext: ""
            label: "macOS Apple Silicon"
            artifact: ado-macos-aarch64
          - os: macos-latest
            target: macos_x86
            cpu: x86_64
            ext: ""
            label: "macOS Intel"
            artifact: ado-macos-x86_64

    steps:
      - uses: actions/checkout@v4

      - name: Set up Elixir
        uses: erlef/setup-beam@v1
        with:
          otp-version: ${{ env.OTP_VERSION }}
          elixir-version: ${{ env.ELIXIR_VERSION }}

      - name: Install Zig
        # Burrito needs a specific zig version (0.16.0) to cross-compile
        # BEAM. Install it via goto-bus-stop/setup-zig which is the
        # same action Burrito's own CI uses.
        uses: goto-bus-stop/setup-zig@v2
        with:
          version: 0.16.0

      - name: Install xz
        # Burrito needs xz to extract zig's tarball and musl. xz-utils
        # ships with the Linux build image but not always; install
        # defensively.
        if: runner.os == 'Linux'
        run: sudo apt-get -y install xz-utils

      - name: Install xz (macOS)
        # xz is rarely preinstalled on macOS runners.
        if: runner.os == 'macOS'
        run: brew install xz

      - name: Verify zig/xz
        run: |
          zig version
          xz --version

      - name: Cache build artifacts
        uses: actions/cache@v4
        with:
          path: |
            _build
            deps
            priv/plts
            ~/.cache/burrito_file_cache
          key: release-${{ runner.os }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            release-${{ runner.os }}-

      - name: Install dependencies
        run: mix deps.get

      - name: Build Burrito release
        env:
          MIX_ENV: prod
          # Burrito accepts BURRITO_TARGET=<target-key> to build only
          # that target from the targets list in mix.exs. This avoids
          # cross-compiling for all 4 platforms on each runner.
          BURRITO_TARGET: ${{ matrix.target }}
        # Burrito writes the binary to burrito_out/ado_<target> by
        # convention. We rename the output below to a stable,
        # versioned name.
        run: |
          mkdir -p release_bin
          mix release --overwrite
          ls -lh burrito_out/

      - name: Get version
        id: version
        run: |
          # Read the version from mix.exs so the release artifact name
          # always matches the source of truth.
          VERSION=$(grep -E '^\s*version:\s*"' mix.exs | head -1 | sed -E 's/.*"([^"]+)".*/\1/')
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Rename binary
        # Normalize the binary name to:
        #   ado-<version>-<os>-<arch><.exe?>
        # e.g. ado-0.1.0-macos-aarch64
        #      ado-0.1.0-linux-x86_64
        run: |
          set -euo pipefail
          VERSION="${{ steps.version.outputs.version }}"
          # Map matrix.target to a clean {os}-{arch} string
          case "${{ matrix.target }}" in
            linux)      SUFFIX="linux-x86_64" ;;
            linux_arm)  SUFFIX="linux-aarch64" ;;
            macos)      SUFFIX="macos-aarch64" ;;
            macos_x86)  SUFFIX="macos-x86_64" ;;
            *)          echo "::error::Unknown target ${{ matrix.target }}"; exit 1 ;;
          esac
          OUT_NAME="ado-${VERSION}-${SUFFIX}${{ matrix.ext }}"
          SRC="burrito_out/ado_${{ matrix.target }}${{ matrix.ext }}"
          DEST="release_bin/${OUT_NAME}"
          if [[ ! -f "${SRC}" ]]; then
            echo "::error::Expected Burrito output not found: ${SRC}"
            ls -lh burrito_out/
            exit 1
          fi
          mv "${SRC}" "${DEST}"
          chmod +x "${DEST}"
          echo "Renamed ${SRC} -> ${DEST}"
          ls -lh release_bin/

      - name: Smoke test the binary
        # All release jobs run on a native runner for the target
        # platform (e.g. ubuntu-24.04-arm for the Linux ARM build),
        # so the binary can always be executed here.
        run: |
          set -euo pipefail
          # Glob is intentional here — there's exactly one file in
          # the dir, but actionlint warns about unquoted globs.
          BINARY=$(ls release_bin/ado-*)
          echo "Testing $BINARY"
          file "$BINARY"
          "$BINARY" --version || "$BINARY" --help | head -20

      - name: Upload release binary
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.artifact }}
          path: release_bin/ado-*
          retention-days: 90
          if-no-files-found: error

  # ── Attach binaries to GitHub Release on tag push ──────────────────
  release-attach:
    name: Publish GitHub Release
    if: startsWith(github.ref, 'refs/tags/')
    needs: [release]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          path: dist/
          merge-multiple: true

      - name: Display downloaded artifacts
        run: ls -lh dist/

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.ref_name }}
          name: "AdoCli ${{ github.ref_name }}"
          body: |
            ## AdoCli ${{ github.ref_name }}

            Pre-built binaries for all supported platforms.

            | Platform | Architecture | Binary |
            |----------|--------------|--------|
            | Linux | x86_64 | `ado-*-linux-x86_64` |
            | Linux | aarch64 | `ado-*-linux-aarch64` |
            | macOS | Apple Silicon | `ado-*-macos-aarch64` |
            | macOS | Intel | `ado-*-macos-x86_64` |

            See [README.md](https://github.com/gilbertwong96/ado_cli) for
            installation instructions.
          draft: false
          prerelease: false
          files: |
            dist/ado-*