Move ocaml index #1
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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: 6411f0d3847e8b7e66362bcb1f9345a5d3e851ca | |
# 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/ |