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72 lines
2.6 KiB
YAML
72 lines
2.6 KiB
YAML
name: PR code coverage (generate)
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on:
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# This workflow does not have access to secrets because it runs on top of
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# potentially unsafe changes.
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pull_request:
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types: [ opened, reopened, synchronize ]
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branches: [ master ]
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jobs:
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# The results of this job are uploaded as artifacts. A separate job will
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# download the artifacts and upload them to a GCS bucket.
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code-cover-gen:
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runs-on: ubuntu-latest
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env:
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PR: ${{ github.event.pull_request.number }}
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HEAD_SHA: ${{ github.event.pull_request.head.sha }}
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GH_TOKEN: ${{ github.token }}
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steps:
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- uses: actions/checkout@v3
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with:
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# By default, checkout merges the PR into the current master.
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# Instead, we want to check out the PR as-is.
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ref: ${{ github.event.pull_request.head.sha }}
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# Fetch all branches and history (we'll need the origin/master ref and
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# the base commit).
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fetch-depth: 0
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- name: Set up Go
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uses: actions/setup-go@v2
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with:
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go-version: "1.21"
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- name: Get list of changed packages
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shell: bash
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run: |
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set -euxo pipefail
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# To get the base commit, we get the number of commits in the PR.
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# Note that github.event.pull_request.base.sha is not what we want,
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# that is the tip of master and not necessarily the PR fork point.
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NUM_COMMITS=$(gh pr view $PR --json commits --jq '.commits | length')
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BASE_SHA=$(git rev-parse HEAD~${NUM_COMMITS})
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CHANGED_PKGS=$(scripts/changed-go-pkgs.sh ${BASE_SHA} ${HEAD_SHA})
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echo "BASE_SHA=${BASE_SHA}" >> "${GITHUB_ENV}"
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echo "CHANGED_PKGS=${CHANGED_PKGS}" >> "${GITHUB_ENV}"
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- name: Generate "after" coverage
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shell: bash
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run: |
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set -euxo pipefail
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CHANGED_PKGS='${{ env.CHANGED_PKGS }}'
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mkdir -p artifacts
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# Make a copy of the script so that the "before" run below uses the
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# same version.
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cp scripts/pr-codecov-run-tests.sh ${RUNNER_TEMP}/
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${RUNNER_TEMP}/pr-codecov-run-tests.sh artifacts/cover-${PR}-${HEAD_SHA}.json "${CHANGED_PKGS}"
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- name: Generate "before" coverage
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shell: bash
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run: |
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set -euxo pipefail
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BASE_SHA='${{ env.BASE_SHA }}'
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CHANGED_PKGS='${{ env.CHANGED_PKGS }}'
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git checkout -f ${BASE_SHA}
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${RUNNER_TEMP}/pr-codecov-run-tests.sh artifacts/cover-${PR}-${BASE_SHA}.json "${CHANGED_PKGS}"
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- name: Upload artifacts
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uses: actions/upload-artifact@v2
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with:
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name: cover
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path: artifacts/cover-*.json
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