$ glide get yadayadayada
[INFO] Preparing to install 1 package.
[INFO] Importing yadayadayada
[INFO] Downloading dependencies. Please wait...
[...]
[INFO] Fetching updates for yadayadayada.
[WARN] Unable to checkout yadayadayada
[ERROR] Update failed for yadayadayada: Cannot detect VCS
[...]
[ERROR] Failed to set version on yadayadayada to : Cannot detect VCS
An Error has occurred

$ git diff glide.*
diff --git a/glide.lock b/glide.lock
index 0d435c7..62a83b2 100644
--- a/glide.lock
+++ b/glide.lock
@@ -1,6 +1,8 @@
-hash: 9fe72545ba7806c5bfadfae2cc2236057c2c5b7007ce9eda9dc3c0059faa6fa4
-updated: 2016-04-11T01:18:40.4362209-04:00
+hash: 191170c91ae9ab372a95048541972e9695cd987bc732f797ed0041cd1fd11ab9
+updated: 2016-04-11T15:53:46.855142289-04:00
 imports:
+- name: yadayadayada
+  version: ""
 - name: github.com/cenkalti/backoff
   version: 32cd0c5b3aef12c76ed64aaf678f6c79736be7dc
 - name: github.com/chzyer/readline
diff --git a/glide.yaml b/glide.yaml
index 29f074f..19c608c 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -14,3 +14,4 @@ import:
 - package: github.com/julienschmidt/httprouter
 - package: github.com/sanity-io/gradientql
 - package: gopkg.in/readline.v1
+- package: yadayadayada