Allow cleaning pr check from github actions

Similar to the alidist one, but with AliceO2 defaults.

Author: ktf

.github/workflows/clean-pr-checks.yml

@@ -0,0 +1,66 @@
+name: Clean PR checks
+on:
+  workflow_dispatch:
+    inputs:
+      pr:
+        description: PR to be cleaned
+        required: true
+      checks:
+        description: Checks to be cleaned
+        required: true
+        default: 'build/AliceO2/O2/o2/macOS,build/O2/fullCI,build/O2/o2'
+      owner:
+        description: Organization
+        required: true
+        default: 'AliceO2Group'
+      repo:
+        description: Repository
+        required: true
+        default: 'AliceO2'
+jobs:
+  cleanup_pr_checks:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Install ali-bot
+        run: |
+          sudo apt-get update
+          sudo apt-get install libsasl2-dev python-dev libldap2-dev libssl-dev
+          python -m pip install --upgrade pip
+          pip install git+https://github.com/alisw/ali-bot@master
+      - uses: octokit/graphql-action@v2.x
+        id: get_last_commit_for_pr
+        with:
+          query: |
+              {
+                repository(owner: "${{ github.event.inputs.owner }}", name: "${{ github.event.inputs.repo }}") {
+                  url
+                  pullRequest(number:${{ github.event.inputs.pr }}) {
+                    commits(last: 1) {
+                      nodes {
+                        commit {
+                          oid
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Cleanup tests
+        run: |-
+          set -x
+          cat <<\EOF > results.json
+          ${{ steps.get_last_commit_for_pr.outputs.data }}
+          EOF
+          COMMIT=$(jq -r '.repository.pullRequest.commits.nodes[].commit.oid' results.json)
+          echo $COMMIT
+          for check in `echo ${{ github.event.inputs.checks }} | tr , \\\\n`; do
+            set-github-status -c ${{ github.event.inputs.owner }}/${{ github.event.inputs.repo }}@$COMMIT -s $check/pending
+          done
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}