[bug, CI] fix issues with forks, force green, and concurrency in codecov report uploading

.github/.codecov.yml

@@ -0,0 +1,30 @@
+#===============================================================================
+# Copyright contributors to the oneDAL project
+#
+# 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
+#
+#     http://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.
+#===============================================================================
+coverage:
+  status:
+    project:
+      default:
+        target: 0
+        # Set targets to zero so that it will always stay green. Also leave
+        # information on thresholds so that future coverage percentage
+        # enforcement can be easily implemented by only adjusting the threshold
+        # and setting target: auto.
+        # threshold: 50
+    patch:
+      default:
+        target: 0
+        # Allow for diffs to have no code coverage.
+        # threshold: 50

.github/workflows/codecov.yml

@@ -23,10 +23,6 @@ on:
 
 permissions: read-all
 
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.ref_name }}-${{ github.event.number || github.sha }}
-  cancel-in-progress: true
-
 jobs:
   upload_coverage:
     name: Codecov
@@ -50,9 +46,18 @@ jobs:
           chmod +x codecov
       - name: Upload to codecov
         run: |
-          export PR=${{ github.event.workflow_run.pull_requests[0].number }}
-          export SHA=${{ github.event.workflow_run.head_sha }}
-          export VARARGS="-n github"
-          # if a PR, pass proper information to codecov about SHA and PR, otherwise use main branch info
-          if [ -n "${PR}" ]; then export VARARGS="${VARARGS}-${PR}-${SHA} -P ${PR} -C ${SHA}"; fi
+          # github's webhooks for workflow_run are unreliable, this guarantees to pull the PR number if a PR
+          OWNER="${FULL_NAME%/$NAME}"
+          if [ "${{ github.repository_owner }}" != "${OWNER}" ]; then BRANCH="${OWNER}:${BRANCH}"; fi
+          if [ $(git branch --show-current) != $BRANCH ]; then PR=$(gh pr view $BRANCH --json number -q .number); fi
+          echo uploading $BRANCH
+          SHA=${{ github.event.workflow_run.head_sha }}
+          VARARGS="-C ${SHA} -n github-${SHA}"
+          # if a PR, pass proper information to codecov-cli about the PR number
+          if [ -n "${PR}" ]; then VARARGS="${VARARGS}-${PR} -P ${PR}"; fi
           ./codecov -v upload-process -Z -t ${{ secrets.CODECOV_TOKEN }} $VARARGS -F github -s ./coverage
+        env:
+          GH_TOKEN: ${{ github.token }}
+          BRANCH: ${{ github.event.workflow_run.head_branch }}
+          NAME: ${{ github.event.workflow_run.head_repository.name }}
+          FULL_NAME: ${{ github.event.workflow_run.head_repository.full_name }}