github.com/cockroachdb/pebble@v0.0.0-20231214172447-ab4952c5f87b/.github/workflows/code-cover-gen.yaml (about)

     1  name: PR code coverage (generate)
     2  
     3  on:
     4    # This workflow does not have access to secrets because it runs on top of
     5    # potentially unsafe changes.
     6    pull_request:
     7      types: [ opened, reopened, synchronize ]
     8      branches: [ master ]
     9  
    10  jobs:
    11    # The results of this job are uploaded as artifacts. A separate job will
    12    # download the artifacts and upload them to a GCS bucket.
    13    code-cover-gen:
    14      runs-on: ubuntu-latest
    15      env:
    16        PR: ${{ github.event.pull_request.number }}
    17        HEAD_SHA: ${{ github.event.pull_request.head.sha }}
    18        GH_TOKEN: ${{ github.token }}
    19      steps:
    20        - uses: actions/checkout@v3
    21          with:
    22            # By default, checkout merges the PR into the current master.
    23            # Instead, we want to check out the PR as-is.
    24            ref: ${{ github.event.pull_request.head.sha }}
    25            # Fetch all branches and history (we'll need the origin/master ref and
    26            # the base commit).
    27            fetch-depth: 0
    28  
    29        - name: Set up Go
    30          uses: actions/setup-go@v2
    31          with:
    32            go-version: "1.21"
    33  
    34        - name: Get list of changed packages
    35          shell: bash
    36          run: |
    37            set -euxo pipefail
    38            # To get the base commit, we get the number of commits in the PR.
    39            # Note that github.event.pull_request.base.sha is not what we want,
    40            # that is the tip of master and not necessarily the PR fork point.
    41            NUM_COMMITS=$(gh pr view $PR --json commits --jq '.commits | length')
    42            BASE_SHA=$(git rev-parse HEAD~${NUM_COMMITS})
    43            CHANGED_PKGS=$(scripts/changed-go-pkgs.sh ${BASE_SHA} ${HEAD_SHA})
    44            echo "BASE_SHA=${BASE_SHA}" >> "${GITHUB_ENV}"
    45            echo "CHANGED_PKGS=${CHANGED_PKGS}" >> "${GITHUB_ENV}"
    46  
    47        - name: Generate "after" coverage
    48          shell: bash
    49          run: |
    50            set -euxo pipefail
    51            CHANGED_PKGS='${{ env.CHANGED_PKGS }}'
    52            mkdir -p artifacts
    53            # Make a copy of the script so that the "before" run below uses the
    54            # same version.
    55            cp scripts/pr-codecov-run-tests.sh ${RUNNER_TEMP}/
    56            ${RUNNER_TEMP}/pr-codecov-run-tests.sh artifacts/cover-${PR}-${HEAD_SHA}.json "${CHANGED_PKGS}"
    57  
    58        - name: Generate "before" coverage
    59          shell: bash
    60          run: |
    61            set -euxo pipefail
    62            BASE_SHA='${{ env.BASE_SHA }}'
    63            CHANGED_PKGS='${{ env.CHANGED_PKGS }}'
    64            git checkout -f ${BASE_SHA}
    65            ${RUNNER_TEMP}/pr-codecov-run-tests.sh artifacts/cover-${PR}-${BASE_SHA}.json "${CHANGED_PKGS}"
    66  
    67        - name: Upload artifacts
    68          uses: actions/upload-artifact@v2
    69          with:
    70            name: cover
    71            path: artifacts/cover-*.json