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getPullChanges.ts
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getPullChanges.ts
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import * as core from "@actions/core";
import * as github from "@actions/github";
import { RequestError } from "@octokit/request-error";
import type { Octokit } from "../octokit";
import { FileCoverageMode } from "./FileCoverageMode";
interface Params {
fileCoverageMode: FileCoverageMode;
prNumber?: number;
octokit: Octokit;
}
export async function getPullChanges({
fileCoverageMode,
prNumber,
octokit,
}: Params): Promise<string[]> {
// Skip Changes collection if we don't need it
if (fileCoverageMode === FileCoverageMode.None) {
return [];
}
if (!prNumber) {
return [];
}
try {
const paths: string[] = [];
core.startGroup(
`Fetching list of changed files for PR#${prNumber} from Github API`,
);
const iterator = octokit.paginate.iterator(octokit.rest.pulls.listFiles, {
owner: github.context.repo.owner,
repo: github.context.repo.repo,
pull_number: prNumber,
per_page: 100,
});
for await (const response of iterator) {
core.info(`Received ${response.data.length} items`);
for (const file of response.data) {
core.debug(`[${file.status}] ${file.filename}`);
if (["added", "modified"].includes(file.status)) {
paths.push(file.filename);
}
}
}
return paths;
} catch (error) {
if (
error instanceof RequestError &&
(error.status === 404 || error.status === 403)
) {
core.warning(
`Couldn't fetch changes of PR due to error:\n[${error.name}]\n${error.message}`,
);
return [];
}
throw error;
} finally {
core.endGroup();
}
}