From 85a5d32eb91ea164fd387ff0f394fd65f1aeb683 Mon Sep 17 00:00:00 2001
From: Dustin Kirkland <kirkland@ubuntu.com>
Date: Thu, 30 Jun 2011 09:16:41 +0000
Subject: [PATCH] * etc/byobu/backend, usr/lib/byobu/.constants:   - add
 support for storing byobu backend configuration (screen|tmux) *
 debian/control: start suggesting tmux

---
 debian/changelog         | 3 +++
 debian/control           | 2 +-
 etc/byobu/backend        | 2 ++
 usr/lib/byobu/.constants | 9 ++++++++-
 4 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 etc/byobu/backend

diff --git a/debian/changelog b/debian/changelog
index 39a271ea..ad7474cc 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -20,6 +20,9 @@ byobu (4.18) unreleased; urgency=low
   * === removed directory usr/sbin, usr/sbin/byobu-classroom =>
     experimental/byobu-classroom:
     - move the classroom to experimental (about to be an ensemble formula)
+  * etc/byobu/backend, usr/lib/byobu/.constants:
+    - add support for storing byobu backend configuration (screen|tmux)
+  * debian/control: start suggesting tmux
 
  -- Dustin Kirkland <kirkland@ubuntu.com>  Wed, 29 Jun 2011 02:26:28 +0000
 
diff --git a/debian/control b/debian/control
index 2d20c25a..b5d52cdf 100644
--- a/debian/control
+++ b/debian/control
@@ -10,7 +10,7 @@ Vcs-Bzr: http://bazaar.launchpad.net/~kirkland/byobu/trunk
 Package: byobu
 Architecture: all
 Depends: ${misc:Depends}, debconf (>= 0.5) | debconf-2.0, screen, gettext-base, python, python-newt (>= 0.52.2-11)
-Suggests: apport, vim, w3m, po-debconf, update-notifier-common, lsb-release
+Suggests: apport, vim, w3m, po-debconf, update-notifier-common, lsb-release, tmux
 Provides: screen-profiles, screen-profiles-extras, byobu-extras
 Replaces: screen-profiles (<< 2.0), screen-profiles-extras (<< 2.0), byobu-extras (<< 2.17)
 Breaks: screen-profiles (<< 2.0), screen-profiles-extras (<< 2.0), byobu-extras (<< 2.17)
diff --git a/etc/byobu/backend b/etc/byobu/backend
new file mode 100644
index 00000000..27ee2ae7
--- /dev/null
+++ b/etc/byobu/backend
@@ -0,0 +1,2 @@
+# BYOBU_BACKEND can currently be "screen" or "tmux"
+BYOBU_BACKEND="screen"
diff --git a/usr/lib/byobu/.constants b/usr/lib/byobu/.constants
index 92c5707b..0780bc0d 100755
--- a/usr/lib/byobu/.constants
+++ b/usr/lib/byobu/.constants
@@ -21,7 +21,14 @@
 PKG="byobu"
 
 # Support two different backends (screen/tmux)
-[ -z "$BYOBU_BACKEND" ] && export BYOBU_BACKEND="screen" || export BYOBU_BACKEND
+if [ -z "$BYOBU_BACKEND" ];
+	[ -r "/etc/byobu/backend" ] && . "/etc/byobu/backend"
+	[ -r "$BYOBU_CONFIG_DIR/backend" ] && . "$BYOBU_CONFIG_DIR/backend"
+fi
+case "$BYOBU_BACKEND" in
+	screen|tmux) export BYOBU_BACKEND ;;
+	*) export BYOBU_BACKEND="screen" ;;
+esac
 
 # Create and set the user configuration directory
 if [ -d "$XDG_CONFIG_HOME" ] && mkdir -p "$XDG_CONFIG_HOME/$PKG"; then