From 66a99ce881ab4b276c693587fb7c723e15399075 Mon Sep 17 00:00:00 2001
From: Shreyas Cholia <shreyas@gmail.com>
Date: Sat, 5 Mar 2016 12:05:58 -0800
Subject: [PATCH 1/3] Add support for default_url

---
 jupyterhub/spawner.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/jupyterhub/spawner.py b/jupyterhub/spawner.py
index 1ad14d1f..673045f2 100644
--- a/jupyterhub/spawner.py
+++ b/jupyterhub/spawner.py
@@ -139,6 +139,13 @@ class Spawner(LoggingConfigurable):
         `%U` will be expanded to the user's username
         """
     )
+
+    default_url = Unicode('', config=True,
+        help="""The default URL for the single-user server
+        
+        `%U` will be expanded to the user's username
+        """
+    )
     
     disable_user_config = Bool(False, config=True,
         help="""Disable per-user configuration of single-user servers.
@@ -216,6 +223,10 @@ class Spawner(LoggingConfigurable):
         if self.notebook_dir:
             self.notebook_dir = self.notebook_dir.replace("%U",self.user.name)
             args.append('--notebook-dir=%s' % self.notebook_dir)
+        if self.default_url:
+            self.default_url = self.default_url.replace("%U",self.user.name)
+            args.append('--NotebookApp.default_url=%s' % self.default_url)
+
         if self.debug:
             args.append('--debug')
         if self.disable_user_config:

From 1a377bd03ad705748ce0da9cb8397032fbe418d9 Mon Sep 17 00:00:00 2001
From: Shreyas Cholia <shreyas@gmail.com>
Date: Sat, 5 Mar 2016 12:16:10 -0800
Subject: [PATCH 2/3] comment on default_url being used with notebook_dir

---
 jupyterhub/spawner.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/jupyterhub/spawner.py b/jupyterhub/spawner.py
index 673045f2..454d1de8 100644
--- a/jupyterhub/spawner.py
+++ b/jupyterhub/spawner.py
@@ -141,8 +141,12 @@ class Spawner(LoggingConfigurable):
     )
 
     default_url = Unicode('', config=True,
-        help="""The default URL for the single-user server
-        
+        help="""The default URL for the single-user server. 
+
+        Can be used in conjection with --notebook-dir=/ to enable 
+        full filesystem traversal, while preserving user's homedir as
+        landing page for notebook
+
         `%U` will be expanded to the user's username
         """
     )

From 1316196542f02804a2df329a572db57d927bdccb Mon Sep 17 00:00:00 2001
From: shreddd <shreyas@gmail.com>
Date: Sat, 5 Mar 2016 12:24:39 -0800
Subject: [PATCH 3/3] Update spawner.py

type
---
 jupyterhub/spawner.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jupyterhub/spawner.py b/jupyterhub/spawner.py
index 454d1de8..019f1d55 100644
--- a/jupyterhub/spawner.py
+++ b/jupyterhub/spawner.py
@@ -143,7 +143,7 @@ class Spawner(LoggingConfigurable):
     default_url = Unicode('', config=True,
         help="""The default URL for the single-user server. 
 
-        Can be used in conjection with --notebook-dir=/ to enable 
+        Can be used in conjunction with --notebook-dir=/ to enable 
         full filesystem traversal, while preserving user's homedir as
         landing page for notebook