'use strict';
var path = require('path');
var fs = require('fs');
/**
* Given a full path to a single file, iterate upwards through the filesystem
* to find a directory with a .git file indicating that it is a git repository
* @param {string} filename any file within a repository
* @returns {string} repository path
*/
function findGit(filename) {
var paths = filename.split(path.sep);
for (var i = paths.length; i > 0; i--) {
var p = path.resolve(paths.slice(0, i).join(path.sep) + path.sep + '.git');
if (fs.existsSync(p)) {
return p;
}
}
}
module.exports = findGit;
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