35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
import * as core from '@actions/core';
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import * as exec from '@actions/exec';
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import * as fs from 'fs';
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import * as path from 'path';
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/**
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* Check out repository at the given ref, and return the directory of the checkout.
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*/
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export async function checkoutExternalRepository(
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repository: string,
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ref: string,
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githubUrl: string,
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tempDir: string): Promise<string> {
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core.info('Checking out ' + repository);
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const checkoutLocation = path.join(tempDir, repository, ref);
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if (!checkoutLocation.startsWith(tempDir)) {
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// this still permits locations that mess with sibling repositories in `tempDir`, but that is acceptable
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throw new Error(`'${repository}@${ref}' is not a valid repository and reference.`);
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}
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if (!fs.existsSync(checkoutLocation)) {
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const repoURL = githubUrl + '/' + repository + '.git';
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await exec.exec('git', ['clone', repoURL, checkoutLocation]);
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await exec.exec('git', [
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'--work-tree=' + checkoutLocation,
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'--git-dir=' + checkoutLocation + '/.git',
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'checkout', ref,
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]);
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}
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return checkoutLocation;
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}
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