[New Command] Expand PPX nodes #74
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| name: Fuzzy CI | |
| on: | |
| pull_request: | |
| branches: [ master ] | |
| types: [ opened, synchronize, reopened, unlabeled, labeled ] | |
| paths-ignore: | |
| - '**.md' | |
| - '**.txt' | |
| - '.git*' | |
| - 'doc/**' | |
| - 'emacs/**' | |
| - 'vim/**' | |
| - '**/emacs-lint.yml' | |
| - 'bench/**' | |
| - 'upstream/**' | |
| - 'tests/**' | |
| env: | |
| # Artifact names need to be consistent across jobs: | |
| BASE_BRANCH_ARTIFACT_NAME: base-branch-data-${{ github.event.pull_request.base.sha }}-pr${{ github.event.pull_request.number }} | |
| MERGE_BRANCH_ARTIFACT_NAME: merge-branch-data-${{ github.event.pull_request.base.sha }}-${{ github.event.pull_request.head.sha }}-pr${{ github.event.pull_request.number }} | |
| DIFF_ARTIFACT_NAME: diff-${{ github.event.pull_request.base.sha }}-${{ github.event.pull_request.head.sha }} | |
| # File names also need to be consistant across jobs: | |
| FULL_DIFF_FILE: full_responses.diff | |
| DISTILLED_DIFF_FILE: distilled_data.diff | |
| # Note: FULL_DATA_FILE and DISTILLED_DATA_FILE need to be the file names of the files generated by `merl-an behavior` | |
| FULL_DATA_FILE: full_responses.json | |
| DISTILLED_DATA_FILE: distilled_data.json | |
| # GitHub API related short-hands: | |
| GH_API_COMMENTS: ${{ github.event.pull_request.comments_url }} | |
| GH_API_LABELS: ${{ github.event.pull_request.issue_url }}/labels | |
| GH_API_ARTIFACTS: ${{ github.event.pull_request.base.repo.url }}/actions/artifacts | |
| # URL short-hands | |
| ACTIONS_RUNS_ENDPOINT: ${{ github.event.repository.html_url }}/actions/runs | |
| CURRENT_ACTION_URL: ${{ github.event.repository.html_url }}/actions/runs/${{ github.run_id }} | |
| # Irmin version and merl-an version need to be consistent for reproducibility (Irmin is used as the test code base to test `ocamlmerlin` on) | |
| IRMIN_VERSION: 3.9.0 | |
| # TODO: Release merl-an and install a certain version instead of pinning it to a certain commit | |
| MERL_AN_SHA: 1643fb7a9958379fb4ed8d7c5169146aaa88f5b7 | |
| # The compiler version used on the respective branches. It also needs to form part of Irmin's build cache key. | |
| # Bump either of these whenever the compiler version is bumped on either of the two branches. | |
| merge_branch_COMPILER_VERSION: ocaml-base-compiler.4.14.1 | |
| base_branch_COMPILER_VERSION: ocaml-base-compiler.4.14.1 | |
| jobs: | |
| data: | |
| name: Generate data | |
| runs-on: ubuntu-22.04 | |
| if: > | |
| github.event.action == 'opened' || | |
| github.event.action == 'synchronize' || | |
| github.event.action == 'reopened' || | |
| ( | |
| github.event.action == 'unlabeled' && | |
| github.event.label.name == 'fuzzy-diff-looks-good' | |
| ) | |
| env: | |
| data_dir: data | |
| strategy: | |
| matrix: | |
| commit: ["merge_branch", "base_branch"] | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Checking out ${{ matrix.commit }} | |
| env: | |
| base_branch_sha: ${{ github.event.pull_request.base.sha }} | |
| merge_branch_sha: ${{ github.sha }} | |
| run: | | |
| sha=$${{ matrix.commit }}_sha | |
| echo "Check out $sha" | |
| git checkout $sha | |
| - name: Get desired compiler version | |
| id: compiler | |
| run: | | |
| v=$${{ matrix.commit }}_COMPILER_VERSION | |
| echo "version=$v" | tee -a $GITHUB_OUTPUT | |
| - name: Install OCaml | |
| uses: ocaml/setup-ocaml@v2 | |
| with: | |
| ocaml-compiler: ${{ steps.compiler.outputs.version }} | |
| dune-cache: true | |
| - name: Install merlin dependencies | |
| run: | | |
| opam pin menhirLib 20201216 --no-action | |
| opam install . --deps-only --yes | |
| - name: Install merlin | |
| run: | | |
| # Running `subst` to have the current commit in the data produced by `merl-an` | |
| opam exec -- dune subst | |
| opam exec -- dune build -p merlin-lib,dot-merlin-reader,merlin | |
| opam exec -- dune install -p merlin-lib,dot-merlin-reader,merlin | |
| - name: Pull irmin and its deps from cache if possible | |
| uses: actions/cache@v3 | |
| id: irmin-cache | |
| with: | |
| path: irmin/ | |
| key: os${{ runner.os }}+arch${{ runner.arch }}+${{ hashFiles('fuzzy-ci-helpers/irmin.3.9.0.opam.locked') }}+${{ env.IRMIN_VERSION }}+${{ steps.compiler.outputs.version }} | |
| - name: Download Irmin tarball | |
| if: steps.irmin-cache.outputs.cache-hit != 'true' | |
| run: | | |
| wget https://github.com/mirage/irmin/releases/download/$IRMIN_VERSION/irmin-$IRMIN_VERSION.tbz | |
| - name: Create irmin dir | |
| if: steps.irmin-cache.outputs.cache-hit != 'true' | |
| run: mkdir -p irmin | |
| - name: Decompress Irmin tarball | |
| if: steps.irmin-cache.outputs.cache-hit != 'true' | |
| run: tar xvf irmin-$IRMIN_VERSION.tbz -C irmin --strip-components=1 | |
| - name: Get Irmin's lock files | |
| if: steps.irmin-cache.outputs.cache-hit != 'true' | |
| run: | | |
| cp .github/fuzzy-ci-helpers/irmin.3.9.0.opam.locked irmin/irmin.opam.locked | |
| - name: Install opam monorepo | |
| if: steps.irmin-cache.outputs.cache-hit != 'true' | |
| run: opam install opam-monorepo --yes | |
| - name: Pull in Irmin's dependencies | |
| if: steps.irmin-cache.outputs.cache-hit != 'true' | |
| run: | | |
| git checkout ${{ github.sha }} | |
| opam monorepo pull --lockfile=irmin.opam.locked --yes | |
| working-directory: irmin | |
| - name: Prune Irmin | |
| if: steps.irmin-cache.outputs.cache-hit != 'true' | |
| run: | | |
| rm -r examples/ bench/ | |
| find test/ -mindepth 1 -maxdepth 1 -type d -not -name 'irmin-pack' -exec rm -r {} \; | |
| find src/ -mindepth 1 -maxdepth 1 -type d \ | |
| -not -name 'irmin-pack' \ | |
| -not -name 'irmin' \ | |
| -not -name 'irmin-tezos' \ | |
| -not -name ppx_irmin \ | |
| -not -name irmin_test \ | |
| -not -name irmin-test \ | |
| -exec rm -r {} \; | |
| working-directory: irmin | |
| - name: Build Irmin | |
| run: | | |
| opam exec -- dune build @check | |
| working-directory: irmin | |
| - name: Pull merl-an from cache if possible | |
| uses: actions/cache@v3 | |
| id: merl-an-cache | |
| with: | |
| path: /usr/local/bin/merl-an | |
| key: os${{ runner.os }}+arch${{ runner.arch }}+merl-an-sha$MERL_AN_SHA | |
| - name: Install merl-an | |
| if: steps.merl-an-cache.outputs.cache-hit != 'true' | |
| run: opam pin -y merl-an https://github.com/pitag-ha/merl-an.git#$MERL_AN_SHA | |
| - name: Add merl-an to /usr/local/bin/ | |
| if: steps.merl-an-cache.outputs.cache-hit != 'true' | |
| run: opam exec -- cp $GITHUB_WORKSPACE/_opam/bin/merl-an /usr/local/bin/merl-an | |
| - name: Create data set of Merlin responses | |
| run: | | |
| # Note: The parameters with most influence on the execution time are | |
| # `--sample-size`: Number of samples per file defined by `--project` (and per local query). | |
| # `--project`: List of dirs/files to create samples on. In the case of a dirs, all ml(i) files recursively in the dir are used. | |
| # `--queries`: The `ocamlmerlin` queries that are being run. | |
| opam exec -- merl-an behavior \ | |
| --queries=type-enclosing,occurrences,locate,complete-prefix,errors \ | |
| --sample-size=30 \ | |
| --data=${{ env.data_dir }} \ | |
| --merlin=ocamlmerlin \ | |
| --project=irmin/src/irmin,irmin/src/irmin-pack,irmin/test/irmin-pack | |
| - name: Remove varying components from data | |
| run: | | |
| # TODO: This could be done on the `merl-an` side | |
| jq '.responses |= map(del(.heap_mbytes, .timings, .cache))' \ | |
| ${{ env.data_dir }}/$FULL_DATA_FILE > temp.json && \ | |
| mv temp.json ${{ env.data_dir }}/$FULL_DATA_FILE | |
| - name: Create name for data artifact | |
| id: artifact_name | |
| env: | |
| base_branch_artifact_name: ${{ env.BASE_BRANCH_ARTIFACT_NAME }} | |
| merge_branch_artifact_name: ${{ env. MERGE_BRANCH_ARTIFACT_NAME }} | |
| run: echo "name=$${{ matrix.commit }}_artifact_name" >> $GITHUB_OUTPUT | |
| - name: Upload data | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: ${{ steps.artifact_name.outputs.name }} | |
| path: ${{ env.data_dir }} | |
| - name: Compile diff tool | |
| if: ${{ matrix.commit == 'merge_branch' }} | |
| run: | | |
| # Taking advantage that ocamlopt is installed on this runner: compile the diff tool here and share it with the next job where it's needed. | |
| # All GH runners are hosted on x86 machines and all jobs in this workflow declare the same OS, so this should workTM. | |
| opam exec -- ocamlopt -o create_diff .github/fuzzy-ci-helpers/create_diff.ml | |
| - name: Upload diff tool | |
| if: ${{ matrix.commit == 'merge_branch' }} | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: diff_tool | |
| path: create_diff | |
| diff: | |
| name: Generate diffs | |
| runs-on: ubuntu-22.04 | |
| outputs: | |
| diff_exits: ${{steps.full_responses_diff.outputs.diff_exists}} | |
| needs: data | |
| env: | |
| base_data_dir: base_data | |
| merge_data_dir: merge_data | |
| diff_dir: diff | |
| steps: | |
| - name: Download base branch data | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: ${{ env.BASE_BRANCH_ARTIFACT_NAME }} | |
| path: ${{ env.base_data_dir }} | |
| - name: Download merge branch data | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: ${{ env.MERGE_BRANCH_ARTIFACT_NAME }} | |
| path: ${{ env.merge_data_dir }} | |
| - name: Create diff dir | |
| run: mkdir -p "$diff_dir" | |
| - name: Download diff tool | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: diff_tool | |
| - name: Give diff tool execute permissions | |
| run: chmod +x create_diff | |
| - name: Generate full responses diff | |
| id: full_responses_diff | |
| run: | | |
| jq -r -n \ | |
| --slurpfile data1 "$base_data_dir/$FULL_DATA_FILE" \ | |
| --slurpfile data2 "$merge_data_dir/$FULL_DATA_FILE" \ | |
| 'def process_json($branch; $data): | |
| ($branch + ": " + $data.cmd + " (id=" + ($data.sample_id | tostring) + ")"), $data; | |
| range($data1|length) as $i | | |
| process_json("base branch"; $data1[$i]), | |
| "--input-separator--", | |
| process_json("merge branch"; $data2[$i]), | |
| "--diff-cmd-separator--"' \ | |
| | ./create_diff "--input-separator--" "--diff-cmd-separator--" "$diff_dir/$FULL_DIFF_FILE" | |
| if [ -s "$diff_dir/$FULL_DIFF_FILE" ]; then | |
| echo "diff_exists=true" | tee -a $GITHUB_OUTPUT | |
| else | |
| echo "diff_exists=false" | tee -a $GITHUB_OUTPUT | |
| fi | |
| - name: Generate distilled data diff | |
| # If there's no full reponses diff, there also won't be a distilled data diff | |
| if: ${{ steps.full_responses_diff.outputs.diff_exists == 'true' }} | |
| run: | | |
| jq -r -n \ | |
| --slurpfile data1 "$base_data_dir/$DISTILLED_DATA_FILE" \ | |
| --slurpfile data2 "$merge_data_dir/$DISTILLED_DATA_FILE" \ | |
| 'def process_json($branch; $data): | |
| ($branch + ": " + $data.cmd + " (id=" + ($data.sample_id | tostring) + ")"), $data; | |
| range($data1|length) as $i | | |
| process_json("base branch"; $data1[$i]), | |
| "--input-separator--", | |
| process_json("merge branch"; $data2[$i]), | |
| "--diff-cmd-separator--"' \ | |
| | ./create_diff "--input-separator--" "--diff-cmd-separator--" "$diff_dir/$DISTILLED_DIFF_FILE" | |
| - name: Upload diff(s) | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: ${{ env.DIFF_ARTIFACT_NAME }} | |
| path: ${{ env.diff_dir }} | |
| output: | |
| name: Evaluate diffs | |
| runs-on: ubuntu-22.04 | |
| needs: diff | |
| env: | |
| earlier_diff_was_approved: ${{ contains(github.event.pull_request.labels.*.name, 'fuzzy-diff-looks-good') }} | |
| current_diff_exists: ${{ needs.diff.outputs.diff_exits }} | |
| diff_dir: ${{ needs.artifact_names.outputs.diff_dir }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Download current diff(s) | |
| if: ${{ env.current_diff_exists == 'true' }} | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: ${{ env.DIFF_ARTIFACT_NAME }} | |
| - name: Retreive hash of approved diff | |
| if: ${{ env.earlier_diff_was_approved == 'true' }} | |
| id: approved_diff | |
| run: | | |
| msg_start=$(head -c 50 .github/fuzzy-ci-helpers/msg.txt) | |
| next_page_endpoint="$GH_API_COMMENTS?per_page=100&page=1" | |
| latest_comment="{}" | |
| while [ -n "$next_page_endpoint" ]; do | |
| latest_comment=$( | |
| curl -s -D "headers.txt" -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" "$next_page_endpoint" | | |
| jq --arg msg_start "$msg_start" --argjson latest "{}" ' | |
| map( | |
| select( | |
| (.body | startswith($msg_start)) and .user.login == "github-actions[bot]" | |
| ) | |
| ) + [$latest] | max_by(.created_at)' | |
| ) | |
| next_page_endpoint=$( | |
| rg '^link:' headers.txt | | |
| tr ',' '\n' | | |
| rg 'rel="next"' | | |
| cut -d'<' -f2 | | |
| cut -d'>' -f1 | |
| ) | |
| done | |
| hash=$(echo "$latest_comment" | jq '.body' -r | grep '256-sha' | awk '{print $NF}') | |
| echo "hash='$hash'" | tee -a $GITHUB_OUTPUT | |
| - name: Analyze current diff | |
| id: current_diff | |
| run: | | |
| hash=$(sha256sum "$FULL_DIFF_FILE" | awk '{print $1}') | |
| echo "hash='$hash'" | tee -a $GITHUB_OUTPUT | |
| - name: Write instruction to delete PR label | |
| # When this workflow is triggered by a PR from a fork, it doesn't have | |
| # the permissions to delete PR labels. Instead, we forward the | |
| # instruction to delete the label to fuzzy-ci-privileged.yml. | |
| if: ${{ env.earlier_diff_was_approved == 'true' && steps.approved_diff.outputs.hash != steps.current_diff.outputs.hash }} | |
| run: | | |
| echo ${{ steps.approved_diff.outputs.hash }} | |
| echo ${{ steps.current_diff.outputs.hash }} | |
| mkdir -p ./forward | |
| jq -n \ | |
| --arg instruction "delete_label" \ | |
| --arg endpoint "$GH_API_LABELS" \ | |
| '{instruction: $instruction, endpoint: $endpoint}' > ./forward/instruction.json | |
| - name: Upload instruction to delete label | |
| if: ${{ env.earlier_diff_was_approved == 'true' && steps.approved_diff.outputs.hash != steps.current_diff.outputs.hash }} | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: forwarded_instructions | |
| path: forward/ | |
| - name: Return | |
| id: return | |
| env: | |
| github_api_labels_url: ${{ github.event.pull_request.base.repo.url }}/issues/${{ github.event.pull_request.number }}/labels | |
| run: | | |
| print_head_of_diffs () { | |
| echo "--------beginning of full responses diff head--------" | |
| head -n 100 "$FULL_DIFF_FILE" | |
| echo "--------end of full responses diff head--------" | |
| echo "--------beginning of distilled data diff head--------" | |
| head -n 100 "$DISTILLED_DIFF_FILE" | |
| echo "--------end of distilled data diff head--------" | |
| } | |
| # FIXME (?): Are nested conditionals always so ugly in Bash, or is there a better way? Option types and the possibility to match would help a lot. | |
| LABEL_NAME=$(cat .github/fuzzy-ci-helpers/label_name.txt) | |
| if $earlier_diff_was_approved; then | |
| echo "Earlier diff was approved." | |
| if [ ${{ steps.current_diff.outputs.hash }} == ${{ steps.approved_diff.outputs.hash }} ]; then | |
| echo "This diff has been approved earlier. Everything ok." | |
| exit 0 | |
| else | |
| print_head_of_diffs | |
| printf "The diff has changed since it was approved. So I'm removing the $LABEL_NAME label. If the new diff looks good, please set the label again.\n\ | |
| There's a head of the new diffs printed above. The whole diffs can be downloaded from $CURRENT_ACTION_URL .\n\ | |
| Previous sha256: ${{ steps.approved_diff.outputs.hash }}\n\ | |
| Current sha256: ${{ steps.current_diff.outputs.hash }}" | |
| echo "delete_label=true" >> $GITHUB_OUTPUT | |
| exit 1 | |
| fi | |
| else | |
| if $current_diff_exists; then | |
| print_head_of_diffs | |
| printf "There's a head of the diffs printed above. The diffs can be downloaded from $CURRENT_ACTION_URL .\nIf it looks good, please set the $LABEL_NAME label on the PR." | |
| exit 1 | |
| else | |
| echo "No diff. All good." | |
| exit 0 | |
| fi | |
| fi | |
| approve: | |
| name: Approve diff | |
| if: > | |
| github.event_name == 'pull_request' && | |
| github.event.action == 'labeled' && | |
| github.event.label.name == 'fuzzy-diff-looks-good' | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - name: Retreive diff artifact meta-data | |
| id: diff_metadata | |
| run: | | |
| all_artifacts=$(curl -sSL "$GH_API_ARTIFACTS") | |
| diff_artifact=$(echo "$all_artifacts" | jq "first(.artifacts[] | select(.name == \"$DIFF_ARTIFACT_NAME\") )") | |
| id=$(echo "$diff_artifact" | jq ".id") | |
| echo "id=$id" | tee -a $GITHUB_OUTPUT | |
| workflow_run=$(echo "$diff_artifact" | jq ".workflow_run | .id") | |
| echo "workflow_run=$workflow_run" | tee -a $GITHUB_OUTPUT | |
| if [ -z $id ]; then | |
| echo "exists=false" | tee -a $GITHUB_OUTPUT | |
| else | |
| echo "exists=true" | tee -a $GITHUB_OUTPUT | |
| fi | |
| - name: Write instruction to delete PR label | |
| # When this workflow is triggered by a PR from a fork, it doesn't have | |
| # the permissions to delete PR labels. Instead, we forward the | |
| # instruction to delete the label to fuzzy-ci-privileged.yml. | |
| if: ${{ steps.diff_metadata.outputs.exists == 'false' }} | |
| run: | | |
| mkdir -p ./forward | |
| jq -n \ | |
| --arg instruction "delete_label" \ | |
| --arg endpoint "$GH_API_LABELS" \ | |
| '{instruction: $instruction, endpoint: $endpoint}' > ./forward/instruction.json | |
| - name: Upload instruction to delete label | |
| if: ${{ steps.diff_metadata.outputs.exists == 'false' }} | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: forwarded_instructions | |
| path: forward/ | |
| - name: Fail due to diff not existing yet | |
| if: ${{ steps.diff_metadata.outputs.exists == 'false' }} | |
| run: | | |
| printf "You seem to have tried to approve a diff that doesn't exist yet.\nWait for the diff to have been generated and then try again." | |
| exit 1 | |
| - name: Download diff | |
| env: | |
| id: ${{ steps.diff_metadata.outputs.id }} | |
| run: | | |
| # Doing this manually, since actions/download-artifact only works on the same workflow run on which the artifact was uploaded | |
| curl -sSLO -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" "$GH_API_ARTIFACTS/$id/zip" -D headers.txt | |
| - name: Unzip downloaded diff | |
| run: | | |
| unzip zip || (echo "Download of diff artifact failed" && cat headers.txt && cat zip && exit 1) | |
| - name: Compute full responses diff hash | |
| id: diff_hash | |
| run: | | |
| hash=$(sha256sum "$FULL_DIFF_FILE" | awk '{print $1}') | |
| echo "hash=$hash" | tee -a $GITHUB_OUTPUT | |
| - name: Write instruction to comment on PR | |
| # When this workflow is triggered by a PR from a fork, it doesn't have | |
| # the permissions to comment on PRs. Instead, we forward the | |
| # instruction to comment on the PR to fuzzy-ci-privileged.yml. | |
| env: | |
| approved_diffs_workflow_run: ${{ steps.diff_metadata.outputs.workflow_run }} | |
| approved_diffs_hash: ${{ steps.diff_hash.outputs.hash }} | |
| run: | | |
| mkdir -p ./forward | |
| jq -n \ | |
| --arg instruction "comment" \ | |
| --arg endpoint "$GH_API_COMMENTS" \ | |
| --arg artifacts_url "$ACTIONS_RUNS_ENDPOINT/$approved_diffs_workflow_run" \ | |
| --arg hash "$approved_diffs_hash" \ | |
| '{instruction: $instruction, endpoint: $endpoint, artifacts_url: $artifacts_url, hash: $hash}' > ./forward/instruction.json | |
| - name: Upload instruction to comment on PR | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: forwarded_instructions | |
| path: forward/ |