Add DP-2.4 test code #14118
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| name: Rebase Check | |
| on: [pull_request] | |
| jobs: | |
| check_files: | |
| name: Check for outdated files | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout PR | |
| uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 | |
| with: | |
| fetch-depth: 0 | |
| - name: Check if dependencies and checks are up to date. | |
| run: | | |
| readonly -a CHECKED_FILES=( | |
| go.mod | |
| .github/CODEOWNERS | |
| .github/workflows/ | |
| ) | |
| # Notes: | |
| # * Do not use ${GITHUB_REF}, github.sha, or HEAD because they are | |
| # the merged commit of the pull request and main. There are no | |
| # outdated files in the merged commit. | |
| # * refs/pull/${pr_number}/head is not available, so use | |
| # github.event.pull_request.head.sha which is the "head sha" of | |
| # the event that triggered the pull request. | |
| # * Do not use github.event.pull_request.base.sha because it is | |
| # the base when the pull request was created, not after a rebase. | |
| # Ask git merge-base to tell us a suitable base. | |
| readonly HEAD="${{ github.event.pull_request.head.sha }}" | |
| readonly BASE="$(git merge-base origin/main "${HEAD}")" | |
| # Notes: | |
| # * Diff between "${BASE}" and origin/main detects outdated files. | |
| # * Diff between "${BASE}" and "${HEAD}" detects files changed by PR. | |
| # * Merge conflict between "${HEAD}" and main is not detected here, | |
| # but GitHub will prevent merging if that's the case. | |
| # * comm -23 SET1 SET2 shows what's in SET1 and not in SET2. | |
| outdated_unchanged="$( | |
| comm -23 \ | |
| <(git diff --name-only "${BASE}" origin/main -- "${CHECKED_FILES[@]}" | sort) \ | |
| <(git diff --name-only "${BASE}" "${HEAD}" -- "${CHECKED_FILES[@]}" | sort) | |
| )" | |
| if [ "${outdated_unchanged}" ]; then | |
| echo "The following files are outdated: ${outdated_unchanged}" | |
| echo "Please rebase your pull request to main and rerun checks." | |
| exit 1 | |
| fi |