image_lens_correction/.github/workflows/ci.yml at main · elixir-image/image_lens_correction · GitHub

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name: Elixir CI

on:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]

env:
  MIX_ENV: test
  # `vix` ships precompiled NIF and a precompiled libvips, so the
  # CI does not need to build libvips from source.
  VIX_COMPILATION_MODE: PRECOMPILED_NIF_AND_LIBVIPS

permissions:
  contents: read

jobs:
  test:
    runs-on: ubuntu-latest
    name: Test on OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
    strategy:
      fail-fast: false
      # Track the same OTP / Elixir matrix as the `:image` library
      # since `:image` is our primary dependency. `:image` requires
      # OTP 26 or later.
      matrix:
        include:
          - otp: "26.2.5.6"
            elixir: "1.17.2-otp-26"
          - otp: "27.2"
            elixir: "1.17.2-otp-27"
          - otp: "27.2"
            elixir: "1.18.1-otp-27"
          - otp: "28.3.1"
            elixir: "1.19.4-otp-28"
          - otp: "28.3.1"
            elixir: "1.20.0-rc.4-otp-28"
            lint: true

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

      - name: Checkout code
        uses: actions/checkout@v6

      - name: Cache deps
        id: cache-deps
        uses: actions/cache@v5
        env:
          cache-name: cache-elixir-deps
        with:
          path: deps
          key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-${{ env.cache-name }}-

      - name: Cache compiled build
        id: cache-build
        uses: actions/cache@v5
        env:
          cache-name: cache-compiled-build
        with:
          path: _build
          key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-mix-${{ env.cache-name }}-
            ${{ runner.os }}-mix-

      - name: Install dependencies
        run: mix deps.get

      - name: Compile without warnings
        run: mix compile --warnings-as-errors
        if: ${{ matrix.lint }}

      - name: Check formatting
        run: mix format --check-formatted
        if: ${{ matrix.lint }}

      - name: Run tests
        run: mix test

      - name: Cache Dialyzer PLT
        if: ${{ matrix.lint }}
        uses: actions/cache@v5
        with:
          path: priv/plts
          key: ${{ runner.os }}-plt-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ runner.os }}-plt-${{ matrix.otp }}-${{ matrix.elixir }}-

      - name: Run Dialyzer
        run: mix dialyzer --format github
        if: ${{ matrix.lint }}

      - name: Build hex package (verify release readiness)
        run: MIX_ENV=prod mix hex.build
        if: ${{ matrix.lint }}