# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# A workflow to lint Shaka Packager.
name: Lint

# Runs when called from another workflow.
on:
  workflow_call:
    inputs:
      ref:
        required: true
        type: string

# By default, run all commands in a bash shell.  On Windows, the default would
# otherwise be powershell.
defaults:
  run:
    shell: bash

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          ref: ${{ inputs.ref }}
          # We must use 'fetch-depth: 2', or else the linter won't have another
          # revision to compare to.
          fetch-depth: 2

      - name: Lint
        shell: bash
        run: |
          wget https://raw.githubusercontent.com/llvm-mirror/clang/master/tools/clang-format/git-clang-format
          sudo install -m 755 git-clang-format /usr/local/bin/git-clang-format
          rm git-clang-format

          python3 -m pip install --upgrade pylint==2.8.3

          # NOTE: Must use base.sha instead of base.ref, since we don't have
          # access to the branch name that base.ref would give us.
          # NOTE: Must also use fetch-depth: 2 in actions/checkout to have access
          # to the base ref for comparison.
          packager/tools/git/check_formatting.py \
              --binary /usr/bin/clang-format \
              ${{ github.event.pull_request.base.sha || 'HEAD^' }}

          packager/tools/git/check_pylint.py