style: add jshint and fix code style

.jshintignore

@@ -0,0 +1,3 @@
+node_modules
+coverage
+test/fixtures

Makefile

@@ -1,4 +1,7 @@
-test:
+jshint:
+	@node_modules/.bin/jshint .
+
+test: jshint
 	@node --harmony \
 		node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha \
 		-- \

lib/info.js

@@ -64,7 +64,7 @@ function getPackageWithTag(body, args) {
 function getPackage(body, args) {
   if (!body.packages) return body;
   if (args.version) {
-    debug('get package version %s', version);
+    debug('get package version %s', args.version);
     return body.packages[args.version];
   } else {
     return body;

lib/tar.js

@@ -1,3 +1,5 @@
+'use strict';
+
 // Thanks to npm.
 var fstream = require('fstream');
 var tar = require('tar');
@@ -89,7 +91,7 @@ function Packer(props) {
     // in a user-writable state, even if they're
     // being installed from some wackey vm-mounted
     // read-only filesystem.
-    entry.mode = props.mode = props.mode | 0200;
+    entry.mode = props.mode = props.mode | parseInt('0200', 8);
   });
 }
 
@@ -121,11 +123,11 @@ Packer.prototype.applyIgnores = function(entry, partial, entryObj) {
 };
 
 Packer.prototype.addIgnoreFiles = function () {
-  var entries = this.entries
+  var entries = this.entries;
   // if there's a .spmignore, then we do *not* want to
   // read the .gitignore.
-  if (-1 !== entries.indexOf(".spmignore")) {
-    var i = entries.indexOf(".gitignore")
+  if (-1 !== entries.indexOf('.spmignore')) {
+    var i = entries.indexOf('.gitignore');
     if (i !== -1) {
       entries.splice(i, 1);
     }

package.json

@@ -33,7 +33,8 @@
     "mocha": "1",
     "rimraf": "2",
     "should": "4",
-    "spy": "~0.1.0"
+    "spy": "~0.1.0",
+    "jshint": "*"
   },
   "repository": {
     "type": "git",

test/tar.test.js

@@ -34,4 +34,4 @@ describe('tar', function() {
         });
       });
   });
-})
+});