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[pull] main from NVIDIA:main #622

[pull] main from NVIDIA:main

[pull] main from NVIDIA:main #622

# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
name: LLM API Compatibility
on:
pull_request:
types: [opened, edited, synchronize, reopened, labeled, unlabeled]
jobs:
check-llm-api-compatibility:
name: Check LLM API Compatibility Label
runs-on: ubuntu-latest
permissions:
pull-requests: read
steps:
- name: Validate LLM API compatibility label
uses: actions/github-script@v8
with:
script: |
const referencePrefixes = [
'tests/unittest/api_stability/references/',
'tests/unittest/api_stability/references_committed/',
];
// Keep these names in sync with the PR template and API-change guide.
const compatibleApiLabel = 'api-compatible';
const breakingApiLabel = 'api-breaking';
const files = await github.paginate(github.rest.pulls.listFiles, {
owner: context.repo.owner,
repo: context.repo.repo,
pull_number: context.payload.pull_request.number,
per_page: 100,
});
const changedPaths = files
.flatMap((file) => [file.filename, file.previous_filename].filter(Boolean));
const apiReferenceChanged = changedPaths.some((path) =>
referencePrefixes.some((prefix) => path.startsWith(prefix))
);
if (!apiReferenceChanged) {
core.info('No API stability reference changes detected.');
return;
}
const labelNames = new Set(
(context.payload.pull_request.labels || []).map((label) => label.name)
);
const apiChangeLabels = [compatibleApiLabel, breakingApiLabel].filter((label) =>
labelNames.has(label)
);
if (apiChangeLabels.length !== 1) {
core.setFailed(
'API stability reference files changed. Apply exactly one ' +
`of these labels: '${compatibleApiLabel}' or '${breakingApiLabel}'.`
);
return;
}
if (
apiChangeLabels[0] === breakingApiLabel &&
!context.payload.pull_request.title.includes('BREAKING')
) {
core.setFailed("Breaking LLM API changes must include 'BREAKING' in the PR title.");
return;
}
core.info(`LLM API change label accepted: ${apiChangeLabels[0]}`);