Fix issues in windows.

lib/resolve/Resolver.js

@@ -97,7 +97,7 @@ Resolver.prototype._createTempDir = function () {
     .then(function () {
         return Q.nfcall(tmp.dir, {
             template: path.join(baseDir, this._name + '-XXXXXX'),
-            mode: parseInt('0777', 8) & ~process.umask(),
+            mode: 0777 & ~process.umask(),
             unsafeCleanup: true
         });
     }.bind(this))

lib/resolve/resolvers/GitFsResolver.js

@@ -25,7 +25,8 @@ GitFsResolver.prototype._resolveSelf = function () {
     return this._findResolution()
     .then(this._readJson.bind(this, this._source))
     .then(this._copy.bind(this))
-    .then(this._checkout.bind(this));
+    .then(this._checkout.bind(this))
+    .then(this._cleanup.bind(this));
 };
 
 // -----------------

lib/resolve/resolvers/GitResolver.js

@@ -1,6 +1,9 @@
 var util = require('util');
+var path = require('path');
 var Q = require('q');
 var semver = require('semver');
+var chmodr = require('chmodr');
+var rimraf = require('rimraf');
 var mout = require('mout');
 var Resolver = require('../Resolver');
 var createError = require('../../util/createError');
@@ -15,7 +18,8 @@ util.inherits(GitResolver, Resolver);
 
 GitResolver.prototype._resolveSelf = function () {
     return this._findResolution()
-    .then(this._checkout.bind(this));
+    .then(this._checkout.bind(this))
+    .then(this._cleanup.bind(this));
 };
 
 GitResolver.prototype.hasNew = function (canonicalPkg) {
@@ -95,7 +99,8 @@ GitResolver.prototype._findResolution = function (target) {
     // Otherwise, assume target is a branch
     return self.fetchHeads(this._source)
     .then(function (heads) {
-        if (!heads[target]) {
+        // Use hasOwn because a branch could have a name like "hasOwnProperty"
+        if (mout.object.hasOwn(heads, target)) {
             branches = Object.keys(heads);
             throw createError('Branch "' + target + '" does not exist', 'ENORESTARGET', {
                 details: !branches.length ?
@@ -108,6 +113,22 @@ GitResolver.prototype._findResolution = function (target) {
     }.bind(this));
 };
 
+GitResolver.prototype._cleanup = function () {
+    var gitFolder = path.join(this._tempDir, '.git');
+
+    // Remove the .git folder
+    // Note that on windows, we need to chmod to 0777 before due to a bug in git
+    // See: https://github.com/isaacs/rimraf/issues/19
+    if (process.platform === 'win32') {
+        return Q.nfcall(chmodr, gitFolder, 0777)
+        .then(function () {
+            return Q.nfcall(rimraf, gitFolder);
+        });
+    } else {
+        return Q.nfcall(rimraf, gitFolder);
+    }
+};
+
 GitResolver.prototype._savePkgMeta = function (meta) {
     // Save resolution to be used in hasNew later
     meta._resolution = this._resolution;