[Merged by Bors] - feat: a topological group acts on itself properly #95382
Workflow file for this run
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| name: Post PR summary comment | |
| on: | |
| pull_request_target: | |
| # Limit permissions for GITHUB_TOKEN for the entire workflow | |
| permissions: | |
| contents: read | |
| pull-requests: write # Only allow PR comments/labels | |
| # All other permissions are implicitly 'none' | |
| jobs: | |
| build: | |
| name: "post-or-update-summary-comment" | |
| runs-on: ubuntu-latest | |
| if: github.repository == 'leanprover-community/mathlib4' | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| ref: ${{ github.event.pull_request.head.sha }} | |
| fetch-depth: 0 | |
| path: pr-branch | |
| # Checkout the master branch into a subdirectory | |
| - name: Checkout master branch | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| # When testing the scripts, comment out the "ref: master" | |
| ref: master | |
| path: master-branch | |
| - name: Update the merge-conflict label | |
| run: | | |
| cd pr-branch | |
| printf 'PR number: "%s"\n' "${{ github.event.pull_request.number }}" | |
| git config user.name "leanprover-community-mathlib4-bot" | |
| git config user.email "leanprover-community-mathlib4-bot@users.noreply.github.com" | |
| if git merge origin/master --no-ff --no-commit | |
| then | |
| git merge --abort || true | |
| echo "This PR does not have merge conflicts with master." | |
| # we use curl rather than octokit/request-action so that the job won't fail | |
| # (and send an annoying email) if the labels don't exist | |
| curl --request DELETE \ | |
| --url https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels/merge-conflict \ | |
| --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' | |
| else | |
| echo "This PR has merge conflicts with master." | |
| # we use curl rather than octokit/request-action so that the job won't fail | |
| # (and send an annoying email) if the labels don't exist | |
| curl --request POST \ | |
| --header 'Accept: application/vnd.github+json' \ | |
| --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \ | |
| --header 'X-GitHub-Api-Version: 2022-11-28' \ | |
| --url https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \ | |
| --data '{"labels":["merge-conflict"]}' | |
| fi | |
| - name: Set up Python | |
| uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0 | |
| with: | |
| python-version: 3.12 | |
| - name: Install dependencies | |
| run: | | |
| python -m pip install --upgrade pip | |
| sudo apt-get install -y jq | |
| # If you have additional dependencies, install them here | |
| - name: Get changed and removed/renamed files | |
| run: | | |
| cd pr-branch | |
| git fetch origin ${{ github.base_ref }} # fetch the base branch | |
| # Get the list of all changed files. | |
| echo "Saving the changed files to 'changed_files.txt'..." | |
| git diff --name-only origin/${{ github.base_ref }}... | tee changed_files.txt | |
| # Get all files which were removed or renamed. | |
| echo "Checking for removed files..." | |
| # Shows the `D`eleted files, one per line. | |
| git diff --name-only --diff-filter D origin/${{ github.base_ref }}... | tee removed_files.txt | |
| echo "Checking for renamed files..." | |
| # Shows the `R`enamed files, in human-readable format | |
| # The `awk` pipe | |
| # * extracts into an array the old name as the key and the new name as the value | |
| # * eventually prints "`oldName` was renamed to `newName`" for each key-value pair. | |
| git diff -p --summary --diff-filter=R origin/${{ github.base_ref }}... | | |
| awk ' | |
| /^rename from / { | |
| file=$0 | |
| gsub(/rename from /, "", file) | |
| oldFile=file | |
| } | |
| /^rename to / { | |
| file=$0 | |
| gsub(/rename to /, "", file) | |
| oldNew[oldFile]=file | |
| } END { | |
| for(old in oldNew) { | |
| printf("`%s` was renamed to `%s`\n", old, oldNew[old]) | |
| } | |
| }' | tee renamed_files.txt | |
| - name: Compute (re)moved files without deprecation | |
| run: | | |
| cd pr-branch | |
| touch moved_without_deprecation.txt | |
| touch extraneous_deprecated_module.txt | |
| git checkout ${{ github.base_ref }} | |
| while IFS= read -r file | |
| do | |
| if grep ^deprecated_module "${file}" ; then | |
| # shellcheck disable=SC2016 | |
| printf '\n⚠️ **warning**: removed file `%s` contains a module deprecation: please add this in a follow-up PR instead\n' "${file}" | | |
| tee -a extraneous_deprecated_module.txt | |
| else | |
| # shellcheck disable=SC2016 | |
| printf '\nnote: file `%s` was removed.\nPlease create a follow-up pull request adding a module deprecation. Thanks!\n' "${file}" | | |
| tee -a moved_without_deprecation.txt | |
| fi | |
| done < removed_files.txt | |
| IFS=$'\n' | |
| while IFS= read -r file | |
| do | |
| if grep ^deprecated_module "${file}" ; then | |
| # shellcheck disable=SC2016 | |
| printf '\n⚠️ **warning**: renamed file `%s` contains a module deprecation: please add this in a follow-up PR instead\n' "${file}" | | |
| tee -a extraneous_deprecated_module.txt | |
| else | |
| # shellcheck disable=SC2016 | |
| printf '\nnote: file `%s` without a module deprecation\nPlease create a follow-up pull request adding one. Thanks!\n' "${file}" | | |
| tee -a moved_without_deprecation.txt | |
| fi | |
| done < renamed_files.txt | |
| # we return to the PR branch, since the next step wants it! | |
| git checkout - | |
| - name: Compute transitive imports | |
| run: | | |
| cd pr-branch | |
| # the checkout dance, to avoid a detached head | |
| git checkout master | |
| git checkout - | |
| currentHash="$(git rev-parse HEAD)" | |
| printf 'currentHash=%s\n' "${currentHash}" | |
| echo "Compute the counts for the HEAD of the PR" | |
| python ../master-branch/scripts/count-trans-deps.py "Mathlib/" > head.json | |
| # Checkout the merge base | |
| git checkout "$(git merge-base master ${{ github.event.pull_request.head.sha }})" | |
| echo "Compute the counts for the merge base" | |
| python ../master-branch/scripts/count-trans-deps.py "Mathlib/" > base.json | |
| # switch back to the current branch: the `declarations_diff` script should be here | |
| git checkout "${currentHash}" -- | |
| - name: Post or update the summary comment | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| BRANCH_NAME: ${{ github.head_ref }} | |
| run: | | |
| cd pr-branch | |
| currentHash="$(git rev-parse HEAD)" | |
| PR="${{ github.event.pull_request.number }}" | |
| title="### PR summary" | |
| graphAndHighPercentReports=$(python ../master-branch/scripts/import-graph-report.py base.json head.json changed_files.txt) | |
| echo "Produce import count comment" | |
| importCount=$( | |
| printf '%s\n' "${graphAndHighPercentReports}" | sed '/^Import changes exceeding/Q' | |
| ../master-branch/scripts/import_trans_difference.sh | |
| ) | |
| echo "Produce high percentage imports" | |
| high_percentages=$( | |
| printf '%s\n' "${graphAndHighPercentReports}" | sed -n '/^Import changes exceeding/,$p' | |
| ) | |
| # if there are files with large increase in transitive imports, then we add the `large-import` label | |
| if [ -n "${high_percentages}" ] | |
| then | |
| high_percentages=$'\n\n'"${high_percentages}" | |
| gh pr edit "${PR}" --add-label large-import | |
| else # otherwise, we remove the label | |
| gh pr edit "${PR}" --remove-label large-import | |
| fi | |
| if [ "$(printf '%s' "${importCount}" | wc -l)" -gt 12 ] | |
| then | |
| importCount="$(printf '<details><summary>\n\n%s\n\n</summary>\n\n%s\n\n</details>\n' "#### Import changes for modified files" "${importCount}")" | |
| else | |
| importCount="$(printf '#### Import changes for modified files\n\n%s\n' "${importCount}")" | |
| fi | |
| echo "Compute Declarations' diff comment" | |
| declDiff=$(../master-branch/scripts/declarations_diff.sh) | |
| if [ "$(printf '%s' "${declDiff}" | wc -l)" -gt 15 ] | |
| then | |
| declDiff="$(printf '<details><summary>\n\n%s\n\n</summary>\n\n%s\n\n</details>\n' "#### Declarations diff" "${declDiff}")" | |
| else | |
| declDiff="$(printf '#### Declarations diff\n\n%s\n' "${declDiff}")" | |
| fi | |
| git checkout "${currentHash}" -- | |
| hashURL="https://github.com/${{ github.repository }}/pull/${{ github.event.pull_request.number }}/commits/${currentHash}" | |
| printf 'hashURL: %s' "${hashURL}" | |
| echo "Compute technical debt changes" | |
| techDebtVar="$(../master-branch/scripts/technical-debt-metrics.sh pr_summary)" | |
| # store in a file, to avoid "long arguments" error. | |
| printf '%s [%s](%s)%s\n\n%s\n\n---\n\n%s\n\n---\n\n%s\n' "${title}" "$(git rev-parse --short HEAD)" "${hashURL}" "${high_percentages}" "${importCount}" "${declDiff}" "${techDebtVar}" > please_merge_master.md | |
| echo "Include any errors about removed or renamed files without deprecation," | |
| echo "as well as errors about extraneous deprecated_module additions." | |
| if [ -s moved_without_deprecation.txt ] | |
| then | |
| printf '\n\n---\n\n' >> please_merge_master.md | |
| cat moved_without_deprecation.txt >> please_merge_master.md | |
| fi | |
| if [ -s extraneous_deprecated_module.txt ] | |
| then | |
| printf '\n\n---\n\n' >> please_merge_master.md | |
| cat extraneous_deprecated_module.txt >> please_merge_master.md | |
| fi | |
| cat please_merge_master.md | |
| ../master-branch/scripts/update_PR_comment.sh please_merge_master.md "${title}" "${PR}" | |
| - name: Update the file-removed label | |
| run: | | |
| cd pr-branch | |
| undeprecatedMoves="$(cat moved_without_deprecation.txt)" | |
| if [ -n "$undeprecatedMoves" ]; then | |
| echo "This PR has undeprecated module (re)movals." | |
| # we use curl rather than octokit/request-action so that the job won't fail | |
| # (and send an annoying email) if the labels don't exist | |
| curl --request POST \ | |
| --header 'Accept: application/vnd.github+json' \ | |
| --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \ | |
| --header 'X-GitHub-Api-Version: 2022-11-28' \ | |
| --url https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels \ | |
| --data '{"labels":["file-removed"]}' | |
| else | |
| echo "This PR (re)moves no modules without deprecations." | |
| # we use curl rather than octokit/request-action so that the job won't fail | |
| # (and send an annoying email) if the labels don't exist | |
| curl --request DELETE \ | |
| --url https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/labels/file-removed \ | |
| --header 'authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' | |
| fi |