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Convert build/lib/git.js to TypeScript

This commit is contained in:
Alex Dima 2016-10-20 11:57:29 +02:00
parent a2477d9a60
commit d443f84674
2 changed files with 112 additions and 57 deletions
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108
build/lib/git.js
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@ -1,57 +1,51 @@
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
var path = require('path');
var fs = require('fs');
exports.getVersion = function (repo) {
var git = path.join(repo, '.git');
var headPath = path.join(git, 'HEAD');
var head;
try {
head = fs.readFileSync(headPath, 'utf8').trim();
} catch (e) {
return void 0;
}
if (/^[0-9a-f]{40}$/i.test(head)) {
return head;
}
var refMatch = /^ref: (.*)$/.exec(head);
if (!refMatch) {
return void 0;
}
var ref = refMatch[1];
var refPath = path.join(git, ref);
try {
return fs.readFileSync(refPath, 'utf8').trim();
} catch (e) {
// noop
}
var packedRefsPath = path.join(git, 'packed-refs');
var refsRaw;
try {
refsRaw = fs.readFileSync(packedRefsPath, 'utf8').trim();
} catch (e) {
return void 0;
}
var refsRegex = /^([0-9a-f]{40})\s+(.+)$/gm;
var refsMatch;
var refs = {};
while (refsMatch = refsRegex.exec(refsRaw)) {
refs[refsMatch[2]] = refsMatch[1];
}
return refs[ref];
};
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
"use strict";
var path = require('path');
var fs = require('fs');
/**
* Returns the sha1 commit version of a repository or undefined in case of failure.
*/
function getVersion(repo) {
var git = path.join(repo, '.git');
var headPath = path.join(git, 'HEAD');
var head;
try {
head = fs.readFileSync(headPath, 'utf8').trim();
}
catch (e) {
return void 0;
}
if (/^[0-9a-f]{40}$/i.test(head)) {
return head;
}
var refMatch = /^ref: (.*)$/.exec(head);
if (!refMatch) {
return void 0;
}
var ref = refMatch[1];
var refPath = path.join(git, ref);
try {
return fs.readFileSync(refPath, 'utf8').trim();
}
catch (e) {
}
var packedRefsPath = path.join(git, 'packed-refs');
var refsRaw;
try {
refsRaw = fs.readFileSync(packedRefsPath, 'utf8').trim();
}
catch (e) {
return void 0;
}
var refsRegex = /^([0-9a-f]{40})\s+(.+)$/gm;
var refsMatch;
var refs = {};
while (refsMatch = refsRegex.exec(refsRaw)) {
refs[refsMatch[2]] = refsMatch[1];
}
return refs[ref];
}
exports.getVersion = getVersion;

61
build/lib/git.ts Normal file
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@ -0,0 +1,61 @@
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
"use strict";
import * as path from 'path';
import * as fs from 'fs';
/**
* Returns the sha1 commit version of a repository or undefined in case of failure.
*/
export function getVersion(repo:string): string {
const git = path.join(repo, '.git');
const headPath = path.join(git, 'HEAD');
let head: string;
try {
head = fs.readFileSync(headPath, 'utf8').trim();
} catch (e) {
return void 0;
}
if (/^[0-9a-f]{40}$/i.test(head)) {
return head;
}
const refMatch = /^ref: (.*)$/.exec(head);
if (!refMatch) {
return void 0;
}
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:string;
try {
refsRaw = fs.readFileSync(packedRefsPath, 'utf8').trim();
} catch (e) {
return void 0;
}
const refsRegex = /^([0-9a-f]{40})\s+(.+)$/gm;
let refsMatch: RegExpExecArray;
let refs:{[ref:string]:string} = {};
while (refsMatch = refsRegex.exec(refsRaw)) {
refs[refsMatch[2]] = refsMatch[1];
}
return refs[ref];
}