pre-commit.yml

# yaml-language-server: $schema=https://json.schemastore.org/github-workflow

name: pre-commit

on:
  push:
  pull_request:

permissions:
  contents: read #  to fetch code (actions/checkout)

jobs:
  pre-commit:
    name: Detecting code style issues
    runs-on: ubuntu-latest
    # The Dockerfile for this container can be found at:
    # https://github.com/Holzhaus/mixxx-ci-docker
    container: holzhaus/mixxx-ci:20220930
    steps:
      - name: "Check out repository"
        uses: actions/checkout@v3
        with:
          # Unfortunately we need the whole history and can't use a shallow clone
          # because the Appstream Metadata hook parses the history to find the
          # latest changelog modification date. Otherwise, `fetch-depth: 2` would
          # suffice.
          fetch-depth: 0

      - name: "Add GitHub workspace as a safe directory"
        # Without this, git commands will fail due to mismatching permissions in
        # the container. See actions/runner#2033 for details.
        #
        # The actions/checkout action should already take care of this thanks to
        # commit actions/checkout@55fd82fc42c0cdd6f1f480dd23f60636a42f6f5c, but
        # it seems like that's not working properly.
        run: |
          git config --global --add safe.directory "${GITHUB_WORKSPACE}"
          git config --global --list

      - name: "Detect code style issues (push)"
        uses: pre-commit/action@v3.0.0
        if: github.event_name == 'push'
        # There are too many files in the repo that have formatting issues. We'll
        # disable these checks for now when pushing directly (but still run these
        # on Pull Requests!).
        env:
          SKIP: clang-format,eslint,no-commit-to-branch

      - name: "Detect code style issues (pull_request)"
        uses: pre-commit/action@v3.0.0
        if: github.event_name == 'pull_request'
        env:
          SKIP: no-commit-to-branch
        with:
          # HEAD is the not yet integrated PR merge commit +refs/pull/xxxx/merge
          # HEAD^1 is the PR target branch and HEAD^2 is the HEAD of the source branch
          extra_args: --from-ref HEAD^1 --to-ref HEAD

      - name: "Generate patch file"
        if: failure()
        run: |
          git diff-index -p HEAD > "${PATCH_FILE}"
          [ -s "${PATCH_FILE}" ] && echo "UPLOAD_PATCH_FILE=${PATCH_FILE}" >> "${GITHUB_ENV}"
        shell: bash
        env:
          PATCH_FILE: pre-commit.patch

      - name: "Upload patch artifact"
        if: failure() && env.UPLOAD_PATCH_FILE != null
        uses: actions/upload-artifact@v3.1.2
        with:
          name: ${{ env.UPLOAD_PATCH_FILE }}
          path: ${{ env.UPLOAD_PATCH_FILE }}

      # AppStream metadata has been generated/updated by a pre-commit hook
      - name: "Validate AppStream metadata"
        if: runner.os == 'Linux'
        run: appstreamcli validate res/linux/org.mixxx.Mixxx.metainfo.xml