From 41bba1a13e04c472115c71242a2d0ee1549e519b Mon Sep 17 00:00:00 2001
From: Iain Patterson <me@iain.cx>
Date: Tue, 15 Sep 2009 13:59:34 +0100
Subject: [PATCH] Don't use SCREENDIR under sudo.

If SCREENDIR is set and we sudo the directory will probably be
unusable.  Unset it if SUDO_USER is defined.
---
 .profile.d/screen.bashrc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/.profile.d/screen.bashrc b/.profile.d/screen.bashrc
index ca08f6e..02026cd 100644
--- a/.profile.d/screen.bashrc
+++ b/.profile.d/screen.bashrc
@@ -1,9 +1,13 @@
 # Fixup screen and define ``session'' if available.
 screen=$(find_working screen 2>/dev/null)
 if [ $? = 0 ]; then
-  # Override SCREENDIR iff screen is not setuid.
+  # Override SCREENDIR iff screen is not setuid (but not under sudo).
   if ! ls -l "$screen" | cut -d ' ' -f 1 | grep s >/dev/null; then
-    export SCREENDIR="$HOME/.screen/$HOSTNAME"
+    if [ -n "$SUDO_USER" ]; then
+      unset SCREENDIR
+    else
+      export SCREENDIR="$HOME/.screen/$HOSTNAME"
+    fi
   fi
 
   krenew=$(find_working krenew 2/dev/null)
-- 
2.20.1