Fixing bug where lookup of package was taking too long.

cmd/tree.go

diff --git a/cmd/tree.go b/cmd/tree.go
index 60181ec..ecd4435 100644
--- a/cmd/tree.go
+++ b/cmd/tree.go
@@ -195,6 +195,11 @@
 	}
 	if abs != "." {
 		for wd := abs; wd != "/"; wd = filepath.Dir(wd) {
+
+			// Don't look for packages outside the GOPATH
+			if wd == b.GOPATH {
+				break
+			}
 			p = filepath.Join(wd, "vendor", name)
 			if fi, err = os.Stat(p); err == nil && (fi.IsDir() || isLink(fi)) {
 				info.Path = p

cmd/yaml.go

diff --git a/cmd/yaml.go b/cmd/yaml.go
index ef41087..4432a86 100644
--- a/cmd/yaml.go
+++ b/cmd/yaml.go
@@ -5,6 +5,7 @@
 	"io"
 	"io/ioutil"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/Masterminds/cookoo"
@@ -155,6 +156,18 @@
 // For example, golang.org/x/crypto/ssh becomes golang.org/x/crypto. 'ssh' is
 // returned as extra data.
 func NormalizeName(name string) (string, string) {
+
+	// Fastpath check if a name in the GOROOT. There is an issue when a pkg
+	// is in the GOROOT and GetRootFromPackage tries to look it up because it
+	// expects remote names.
+	b, err := GetBuildContext()
+	if err == nil {
+		p := filepath.Join(b.GOROOT, "src", name)
+		if _, err := os.Stat(p); err == nil {
+			return name, ""
+		}
+	}
+
 	root := util.GetRootFromPackage(name)
 	extra := strings.TrimPrefix(name, root)
 	if len(extra) > 0 && extra != "/" {

glide.lock

diff --git a/glide.lock b/glide.lock
index a61af79..7bd39fd 100644
--- a/glide.lock
+++ b/glide.lock
@@ -1,10 +1,10 @@
 hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
-updated: 2015-12-07T11:25:07.016186764-05:00
+updated: 2015-12-09T10:30:35.945332257-05:00
 imports:
 - name: github.com/codegangsta/cli
   version: 0302d3914d2a6ad61404584cdae6e6dbc9c03599
 - name: github.com/Masterminds/cookoo
-  version: 623f8762b2474f1ad6c2cac6bf331b8871591379
+  version: 78aa11ce75e257c51be7ea945edb84cf19c4a6de
   repo: git@github.com:Masterminds/cookoo.git
   vcs: git
   subpackages: