mirror of https://github.com/coder/code-server.git
55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
/*---------------------------------------------------------------------------------------------
|
|||
* Copyright (c) Microsoft Corporation. All rights reserved.
|
|||
* Licensed under the MIT License. See License.txt in the project root for license information.
|
|||
*--------------------------------------------------------------------------------------------*/
|
|||
'use strict';
|
|||
Object.defineProperty(exports, "__esModule", { value: true });
|
|||
exports.getVersion = void 0;
|
|||
const path = require("path");
|
|||
const fs = require("fs");
|
|||
/**
|
|||
* Returns the sha1 commit version of a repository or undefined in case of failure.
|
|||
*/
|
|||
function getVersion(repo) {
|
|||
const git = path.join(repo, '.git');
|
|||
const headPath = path.join(git, 'HEAD');
|
|||
let head;
|
|||
try {
|
|||
head = fs.readFileSync(headPath, 'utf8').trim();
|
|||
}
|
|||
catch (e) {
|
|||
return undefined;
|
|||
}
|
|||
if (/^[0-9a-f]{40}$/i.test(head)) {
|
|||
return head;
|
|||
}
|
|||
const refMatch = /^ref: (.*)$/.exec(head);
|
|||
if (!refMatch) {
|
|||
return undefined;
|
|||
}
|
|||
const ref = refMatch[1];
|
|||
const refPath = path.join(git, ref);
|
|||
try {
|
|||
return fs.readFileSync(refPath, 'utf8').trim();
|
|||
}
|
|||
catch (e) {
|
|||
// noop
|
|||
}
|
|||
const packedRefsPath = path.join(git, 'packed-refs');
|
|||
let refsRaw;
|
|||
try {
|
|||
refsRaw = fs.readFileSync(packedRefsPath, 'utf8').trim();
|
|||
}
|
|||
catch (e) {
|
|||
return undefined;
|
|||
}
|
|||
const refsRegex = /^([0-9a-f]{40})\s+(.+)$/gm;
|
|||
let refsMatch;
|
|||
let refs = {};
|
|||
while (refsMatch = refsRegex.exec(refsRaw)) {
|
|||
refs[refsMatch[2]] = refsMatch[1];
|
|||
}
|
|||
return refs[ref];
|
|||
}
|
|||
exports.getVersion = getVersion;
|
