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JavaScript

/*!
* parse-git-config <https://github.com/jonschlinkert/parse-git-config>
*
* Copyright (c) 2015 Jon Schlinkert.
* Licensed under the MIT license.
*/
'use strict';
var fs = require('fs');
var path = require('path');
var extend = require('extend-shallow');
var configPath = require('git-config-path');
var ini = require('ini');
var gitCache = {};
/**
* Asynchronously parse a `.git/config` file. If only the callback is passed,
* the `.git/config` file relative to `process.cwd()` is used.
*
* ```js
* parse(function(err, config) {
* if (err) throw err;
* // do stuff with config
* });
* ```
* @param {Object|String|Function} `options` Options with `cwd` or `path`, the cwd to use, or the callback function.
* @param {Function} `cb` callback function if the first argument is options or cwd.
* @return {Object}
* @api public
*/
function parse(options, cb) {
if (typeof options === 'function') {
cb = options;
options = {};
}
if (typeof cb !== 'function') {
throw new TypeError('parse-git-config async expects a callback function.');
}
options = options || {};
var filepath = parse.resolve(options);
if (gitCache[filepath]) {
cb(null, gitCache[filepath]);
return;
}
fs.stat(filepath, function(err, stat) {
if (err) return cb(err);
fs.readFile(filepath, 'utf8', function(err, str) {
if (err) return cb(err);
var parsed = ini.parse(str);
gitCache[filepath] = parsed;
cb(null, parsed);
});
});
}
/**
* Synchronously parse a `.git/config` file. If no arguments are passed,
* the `.git/config` file relative to `process.cwd()` is used.
*
* ```js
* var config = parse.sync();
* ```
*
* @name .sync
* @param {Object|String} `options` Options with `cwd` or `path`, or the cwd to use.
* @return {Object}
* @api public
*/
parse.sync = function parseSync(options) {
options = options || {};
var filepath = parse.resolve(options);
if (gitCache[filepath]) {
return gitCache[filepath];
}
if (exists(filepath)) {
var str = fs.readFileSync(filepath, 'utf8');
return (gitCache[filepath] = ini.parse(str));
}
return {};
};
/**
* Resolve the git config path
*/
parse.resolve = function resolve(options) {
var isGlobal = false;
if (options === 'global') {
isGlobal = true;
options = {};
}
if (typeof options === 'string') {
options = { path: options };
}
var opts = extend({path: configPath(isGlobal ? 'global' : null)}, options);
if (opts.cwd) {
opts.path = path.resolve(opts.cwd, opts.path);
}
return path.resolve(opts.path);
};
/**
* Returns an object with only the properties that had ini-style keys
* converted to objects (example below).
*
* ```js
* var config = parse.sync();
* var obj = parse.keys(config);
* ```
* @name .keys
* @param {Object} `config` The parsed git config object.
* @return {Object}
* @api public
*/
parse.keys = function parseKeys(config) {
var res = {};
for (var key in config) {
var m = /(\S+) "(.*)"/.exec(key);
if (!m) continue;
var prop = m[1];
res[prop] = res[prop] || {};
res[prop][m[2]] = config[key];
}
return res;
};
function exists(fp) {
try {
fs.statSync(fp);
return true;
} catch (err) {}
return false;
}
/**
* Expose `parse`
*/
module.exports = parse;