mirror of
https://github.com/bower/bower.git
synced 2026-02-12 06:55:04 -05:00
80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
var util = require('util');
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var Q = require('q');
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var mout = require('mout');
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var GitResolver = require('./GitResolver');
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var copy = require('../../util/copy');
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var cmd = require('../../util/cmd');
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var path = require('path');
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function GitFsResolver(decEndpoint, config, logger) {
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GitResolver.call(this, decEndpoint, config, logger);
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// Ensure absolute path
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this._source = path.resolve(this._config.cwd, this._source);
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}
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util.inherits(GitFsResolver, GitResolver);
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mout.object.mixIn(GitFsResolver, GitResolver);
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// -----------------
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GitFsResolver.prototype._copy = function () {
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return copy.copyDir(this._source, this._tempDir);
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};
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// Override the checkout function to work with the local copy
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GitFsResolver.prototype._checkout = function () {
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var resolution = this._resolution;
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// The checkout process could be similar to the GitRemoteResolver by prepending file:// to the source
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// But from my performance measures, it's faster to copy the folder and just checkout in there
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this._logger.action('checkout', resolution.tag || resolution.branch || resolution.commit, {
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resolution: resolution,
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to: this._tempDir
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});
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// Copy files to the temporary directory first
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return this._copy()
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.then(cmd.bind(cmd, 'git', ['checkout', '-f', resolution.tag || resolution.branch || resolution.commit], { cwd: this._tempDir }))
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// Cleanup unstaged files
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.then(cmd.bind(cmd, 'git', ['clean', '-f', '-d'], { cwd: this._tempDir }));
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};
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// -----------------
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// Grab refs locally
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GitFsResolver.fetchRefs = function (source) {
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var cache;
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this._refs = this._refs || {};
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cache = this._refs[source];
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if (cache) {
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// If cached value is a promise, simply return it
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// This avoids duplicate fetches for the same source
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if (cache.then) {
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return cache;
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}
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// Otherwise, the cached value is already the refs,
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// resolve it
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return Q.resolve(cache);
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}
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// Store the promise in the refs object
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return this._refs[source] = cmd('git', ['show-ref', '--tags', '--heads'], { cwd : source })
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.then(function (stdout) {
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var refs;
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refs = stdout.toString()
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.trim() // Trim trailing and leading spaces
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.replace(/[\t ]+/g, ' ') // Standardize spaces (some git versions make tabs, other spaces)
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.split(/\r?\n/); // Split lines into an array
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// Update the refs with the actual refs
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return this._refs[source] = refs;
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}.bind(this));
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};
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module.exports = GitFsResolver;
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