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17/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as git from './git.ts';
export function getVersion(root: string): string | undefined {
let version = process.env['BUILD_SOURCEVERSION'];
if (!version || !/^[0-9a-f]{40}$/i.test(version.trim())) {
version = git.getVersion(root);
}
return version;
}