Merge pull request #93 from kesla/resolve-store_path

resolve store_path

lib/cmd/install.js

@@ -1,6 +1,7 @@
 var readPkgUp = require('read-pkg-up')
 var dirname = require('path').dirname
 var join = require('path').join
+var resolve = require('path').resolve
 var assign = require('object-assign')
 var npa = require('npm-package-arg')
 
@@ -49,7 +50,7 @@ function installCmd (input, flags) {
   function updateContext (packageJson) {
     var root = packageJson ? dirname(packageJson) : process.cwd()
     ctx.root = root
-    ctx.store = join(root, config.store_path)
+    ctx.store = resolve(root, config.store_path)
     if (!flags.quiet) ctx.log = logger()
     else ctx.log = function () { return function () {} }
   }