add context.go and move over getToken

context/context.go

@@ -0,0 +1,24 @@
+package context
+
+import (
+	"io/ioutil"
+	"os/user"
+	"regexp"
+)
+
+// GetToken returns the authentication token as stored in the config file for the user running gh-cli
+func GetToken() (string, error) {
+	usr, err := user.Current()
+	if err != nil {
+		return "", err
+	}
+
+	content, err := ioutil.ReadFile(usr.HomeDir + "/.config/hub")
+	if err != nil {
+		return "", err
+	}
+
+	r := regexp.MustCompile(`oauth_token: (\w+)`)
+	token := r.FindStringSubmatch(string(content))
+	return token[1], nil
+}