cache,db: de-dup concurrent attempts to read the same block #2663
Workflow file for this run
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| name: PR code coverage (generate) | |
| on: | |
| # This workflow does not have access to secrets because it runs on top of | |
| # potentially unsafe changes. | |
| pull_request: | |
| types: [ opened, reopened, synchronize ] | |
| branches: [ master ] | |
| jobs: | |
| # The results of this job are uploaded as artifacts. A separate job will | |
| # download the artifacts and upload them to a GCS bucket. | |
| code-cover-gen: | |
| runs-on: ubuntu-latest | |
| env: | |
| PR: ${{ github.event.pull_request.number }} | |
| HEAD_SHA: ${{ github.event.pull_request.head.sha }} | |
| GH_TOKEN: ${{ github.token }} | |
| steps: | |
| - uses: actions/checkout@v3 | |
| with: | |
| # By default, checkout merges the PR into the current master. | |
| # Instead, we want to check out the PR as-is. | |
| ref: ${{ github.event.pull_request.head.sha }} | |
| # Fetch all branches and history (we'll need the origin/master ref and | |
| # the base commit). | |
| fetch-depth: 0 | |
| - name: Set up Go | |
| uses: actions/setup-go@v2 | |
| with: | |
| go-version: "1.23" | |
| - name: Get list of changed packages | |
| shell: bash | |
| run: | | |
| set -euxo pipefail | |
| # To get the base commit, we get the number of commits in the PR. | |
| # Note that github.event.pull_request.base.sha is not what we want, | |
| # that is the tip of master and not necessarily the PR fork point. | |
| NUM_COMMITS=$(gh pr view $PR --json commits --jq '.commits | length') | |
| BASE_SHA=$(git rev-parse HEAD~${NUM_COMMITS}) | |
| CHANGED_PKGS=$(scripts/changed-go-pkgs.sh ${BASE_SHA} ${HEAD_SHA}) | |
| echo "BASE_SHA=${BASE_SHA}" >> "${GITHUB_ENV}" | |
| echo "CHANGED_PKGS=${CHANGED_PKGS}" >> "${GITHUB_ENV}" | |
| - name: Generate "after" coverage | |
| shell: bash | |
| run: | | |
| set -euxo pipefail | |
| CHANGED_PKGS='${{ env.CHANGED_PKGS }}' | |
| mkdir -p artifacts | |
| # Make a copy of the script so that the "before" run below uses the | |
| # same version. | |
| cp scripts/pr-codecov-run-tests.sh ${RUNNER_TEMP}/ | |
| ${RUNNER_TEMP}/pr-codecov-run-tests.sh artifacts/cover-${PR}-${HEAD_SHA}.json "${CHANGED_PKGS}" | |
| - name: Generate "before" coverage | |
| shell: bash | |
| run: | | |
| set -euxo pipefail | |
| BASE_SHA='${{ env.BASE_SHA }}' | |
| CHANGED_PKGS='${{ env.CHANGED_PKGS }}' | |
| git checkout -f ${BASE_SHA} | |
| ${RUNNER_TEMP}/pr-codecov-run-tests.sh artifacts/cover-${PR}-${BASE_SHA}.json "${CHANGED_PKGS}" | |
| - name: Upload artifacts | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: cover | |
| path: artifacts/cover-*.json |