name: CI

on:
    push: ~
    pull_request: ~

jobs:
    doctor-rst:
        name: Lint (DOCtor-RST)

        runs-on: ubuntu-latest

        steps:
            -   name: "Checkout"
                uses: actions/checkout@v2

            -   name: "Create cache dir"
                run: mkdir .cache

            -   name: "Extract base branch name"
                run: echo "##[set-output name=branch;]$(echo ${GITHUB_BASE_REF:=${GITHUB_REF##*/}})"
                id: extract_base_branch

            -   name: "Cache DOCtor-RST"
                uses: actions/cache@v2
                with:
                    path: .cache
                    key: ${{ runner.os }}-doctor-rst-${{ steps.extract_base_branch.outputs.branch }}

            -   name: "Run DOCtor-RST"
                uses: docker://oskarstark/doctor-rst
                with:
                    args: --short --error-format=github --cache-file=/github/workspace/.cache/doctor-rst.cache