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Post build links to pull request #185

Post build links to pull request

Post build links to pull request #185

Workflow file for this run

name: Post build links to pull request
on:
workflow_run:
workflows: ['Create a test build']
types: [completed]
permissions:
actions: write
contents: write
pull-requests: write
jobs:
pr_comment:
if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
runs-on: ubuntu-latest
steps:
- uses: actions/github-script@v7
with:
# This snippet is public-domain, combined from
# https://github.com/oprypin/nightly.link/blob/master/.github/workflows/pr-comment.yml
# https://github.com/AKSW/submission.d2r2.aksw.org/blob/main/.github/workflows/pr-comment.yml
script: |
// Function Definitions
/**
* Fetch PR details for a given commit SHA.
* @returns {Object} PR details containing prNumber, prRef, prRepoId.
* @throws {Error} If no matching PR is found.
*/
async function fetchPRDetails() {
const iterator = github.paginate.iterator(github.rest.pulls.list, {
owner: context.repo.owner,
repo: context.repo.repo,
});
for await (const { data } of iterator) {
for (const pull of data) {
if (pull.head.sha === '${{github.event.workflow_run.head_sha}}') {
return {
prNumber: pull.number,
prRef: pull.head.ref,
prRepoId: pull.head.repo.id
};
}
}
}
throw new Error("No matching PR found for the commit SHA");
}
/**
* Fetch all artifacts for a given workflow run.
* @returns {Object} All artifacts data.
* @throws {Error} If no artifacts are found.
*/
async function fetchAllArtifacts() {
const artifactsResponse = await github.rest.actions.listWorkflowRunArtifacts({
owner: context.repo.owner,
repo: context.repo.repo,
run_id: context.payload.workflow_run.id,
});
if (!(artifactsResponse.data && artifactsResponse.data.artifacts && artifactsResponse.data.artifacts.length)) {
throw new Error("No artifacts found for the workflow run");
}
return artifactsResponse.data.artifacts;
}
/**
* Create or update a comment on the PR.
* @param {number} prNumber - The PR number.
* @param {string} purpose - The purpose of the comment.
* @param {string} body - The comment body.
* @throws {Error} If the comment creation or update fails.
*/
async function upsertComment(prNumber, purpose, body) {
const { data: comments } = await github.rest.issues.listComments({
owner: context.repo.owner,
repo: context.repo.repo,
issue_number: prNumber,
});
const marker = `<!-- bot: ${purpose} -->`;
body = marker + "\n" + body;
const existing = comments.filter(c => c.body.includes(marker));
if (existing.length > 0) {
const last = existing[existing.length - 1];
core.info(`Updating comment ${last.id}`);
await github.rest.issues.updateComment({
owner: context.repo.owner,
repo: context.repo.repo,
body: body,
comment_id: last.id,
});
} else {
core.info(`Creating a comment in PR #${prNumber}`);
await github.rest.issues.createComment({
owner: context.repo.owner,
repo: context.repo.repo,
body: body,
issue_number: prNumber,
});
}
}
/**
* Handle and log errors with detailed context and exit the process.
* @param {Error} error - The error object.
* @param {string} description - Description of the context where the error occurred.
*/
function handleError(error, description, prNumber) {
core.error(`Failed to ${description}`);
core.error(`Message: ${error.message}`);
core.error(`Stack Trace: ${error.stack || 'No stack trace available'}`);
if (prNumber) {
core.error(`PR Number: ${prNumber}`);
}
core.error(`PRs: https://api.github.com/repos/${context.repo.owner}/${context.repo.repo}/pulls`);
core.error(`SHA: ${{github.event.workflow_run.head_sha}}`);
process.exit(1);
}
// Main Code Execution
let prNumber, prRef, prRepoId;
// Fetch PR details
try {
({ prNumber, prRef, prRepoId } = await fetchPRDetails());
core.info(`Found PR: #${prNumber}, Ref: ${prRef}, Repo ID: ${prRepoId}`);
} catch (error) {
handleError(error, 'fetch PR details', undefined);
}
// Fetch all artifacts
let allArtifacts;
try {
allArtifacts = await fetchAllArtifacts();
core.info(`Artifacts fetched successfully`);
} catch (error) {
handleError(error, 'fetch artifacts', prNumber);
}
// Construct the comment body
let body = allArtifacts.reduce((acc, item) => {
if (item.name === "assets") return acc;
acc += `\n* [${item.name}.zip](https://nightly.link/${context.repo.owner}/${context.repo.repo}/actions/artifacts/${item.id}.zip)`;
return acc;
}, 'Download the built assets for this pull request:\n');
// Upsert the comment on the PR
try {
await upsertComment(prNumber, "nightly-link", body);
core.info("Comment created/updated successfully");
} catch (error) {
handleError(error, 'create/update comment', prNumber);
}