check-xfail.yml

name: Check xfail

on:
  pull_request:

jobs:
  xfail:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        julia-version: ['^1']
      fail-fast: false
    name: Test xfail Julia ${{ matrix.julia-version }}
    steps:
      - uses: actions/checkout@v2
      - name: Try to merge xfail branch
        run: |
          git_fetch_branch() {
              refspec="refs/heads/$1:refs/remotes/origin/$1"
              git fetch --unshallow origin "$refspec" || git fetch origin "$refspec"
          }
          set -ex
          xfailbranch=xfail/"${GITHUB_HEAD_REF#refs/heads/}"
          if git_fetch_branch "$xfailbranch"
          then
              git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com"
              git config --global user.name "$GITHUB_ACTOR"
              git merge "origin/$xfailbranch"
          else
              echo "No branch named $xfailbranch"
          fi
        # Note: `$GITHUB_REF` contains something like "refs/pull/26/merge".
        # It seems `$GITHUB_HEAD_REF` contains the correct branch name.
        # See also GitHub context `github.head_ref`:
        # https://help.github.com/en/actions/automating-your-workflow-with-github-actions/contexts-and-expression-syntax-for-github-actions#github-context

      - run: git log --graph --oneline -n10
      - run: git show --no-patch --format='format:%H %T'
      - run: echo $GITHUB_SHA
      - run: git diff $GITHUB_SHA

      - name: Check if xfail test is required
        id: check-xfail-needed
        run: |
          xfailbranch=xfail/"${GITHUB_HEAD_REF#refs/heads/}"
          if git rev-parse "refs/remotes/origin/$xfailbranch" -- > /dev/null
          then
              echo "::set-output name=need_xfail::yes"
          else
              echo "::set-output name=need_xfail::no"
          fi

      - name: Setup julia
        if: ${{ steps.check-xfail-needed.outputs.need_xfail == 'yes' }}
        uses: julia-actions/setup-julia@v1
        with:
          version: ${{ matrix.julia-version }}

      - run: julia -e 'using Pkg; pkg"add Run@0.1"'
        if: ${{ steps.check-xfail-needed.outputs.need_xfail == 'yes' }}

      - run: julia -e 'using Run; Run.test(project = "test/environments/main", xfail = true)'
        if: ${{ steps.check-xfail-needed.outputs.need_xfail == 'yes' }}
        env:
          JULIA_NUM_THREADS: '2'