import { join } from 'node:path';
import { existsSync } from 'node:fs';
import simpleGit from 'simple-git';
import { CACHE_DIR } from '../../constants.js';
import { mkdirSync } from 'node:fs';
/**
* Fetch a public GitHub repo via shallow clone / pull.
* Returns the local path to the (optionally subfoldered) source.
*/
export async function fetchGithubPublic(source) {
const repoName = source.repo_url.replace(/.*\/\/[^/]+\//, '').replace(/\.git$/, '').replace(/\//g, '--');
const cloneDir = join(CACHE_DIR, repoName);
mkdirSync(CACHE_DIR, { recursive: true });
const git = simpleGit();
if (existsSync(join(cloneDir, '.git'))) {
// Pull latest
const repoGit = simpleGit(cloneDir);
try {
await repoGit.fetch('origin', source.branch || 'main', ['--depth=1']);
await repoGit.reset(['--hard', `origin/${source.branch || 'main'}`]);
} catch (err) {
console.error(`Warning: pull failed for ${source.name}, using cached version: ${err.message}`);
}
} else {
// Shallow clone
await git.clone(source.repo_url, cloneDir, [
'--depth=1',
'--branch', source.branch || 'main',
'--single-branch',
]);
}
const localPath = source.subfolder ? join(cloneDir, source.subfolder) : cloneDir;
return localPath;
}
