Bower issue on saving

bower.log

loranger@Merlin:~/Sites/issue $ ls -l
loranger@Merlin:~/Sites/issue $ npm update bower
loranger@Merlin:~/Sites/issue $ bower -v
0.2.0
loranger@Merlin:~/Sites/issue $ rm -rf ~/.bower
loranger@Merlin:~/Sites/issue $ touch component.json
loranger@Merlin:~/Sites/issue $ bower install --save jquery angular
bower cloning git://github.com/components/jquery.git
bower caching git://github.com/components/jquery.git
bower cloning git://github.com/angular/bower-angular.git
bower caching git://github.com/angular/bower-angular.git
bower fetching angular
bower copying /Users/loranger/.bower/angular
bower fetching jquery
bower checking out jquery#1.8.1
bower copying /Users/loranger/.bower/jquery

undefined:0

^
SyntaxError: Unexpected end of input
    at Object.parse (native)
    at Manager.loadJSON (/usr/local/share/npm/lib/node_modules/bower/lib/core/manager.js:90:27)
    at fs.readFile (fs.js:176:14)
    at fs.close (/usr/local/share/npm/lib/node_modules/bower/node_modules/glob/node_modules/graceful-fs/graceful-fs.js:90:5)
    at fs.close (/usr/local/share/npm/lib/node_modules/bower/node_modules/read-package-json/node_modules/graceful-fs/graceful-fs.js:90:5)
    at fs.close (/usr/local/share/npm/lib/node_modules/bower/node_modules/rimraf/node_modules/graceful-fs/graceful-fs.js:90:5)
    at fs.close (/usr/local/share/npm/lib/node_modules/bower/node_modules/fstream/node_modules/graceful-fs/graceful-fs.js:90:5)
    at Object.oncomplete (fs.js:297:15)
loranger@Merlin:~/Sites/issue $ ls -l
total 0
-rw-r--r--  1 loranger  staff    0  3 oct 11:23 component.json
drwxr-xr-x  4 loranger  staff  136  3 oct 11:23 components
loranger@Merlin:~/Sites/issue $