From 2a5bd7f3b1615686029a1a6661f072bd81aee2b9 Mon Sep 17 00:00:00 2001
From: jetsonhacks <jim@jetsonhacks.com>
Date: Mon, 20 Nov 2017 19:22:11 -0800
Subject: [PATCH] L4T 28.1

---
 README.md     | 33 ++++++++++++++++++++++++++++++++-
 installROS.sh |  7 +++----
 2 files changed, 35 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 962464f..0312ba1 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Install Robot Operating System (ROS) on NVIDIA Jetson TX2
 
 These scripts will install Robot Operating System (ROS) on the NVIDIA Jetson TX2 development kit.
 
-Tested on L4T 27.1
+Tested on L4T 28.1
 
 The script is based on the Ubuntu ARM install of ROS Kinetic: http://wiki.ros.org/kinetic/Installation/UbuntuARM
 
@@ -22,3 +22,34 @@ $ ./setupCatkinWorkspace.sh [optionalWorkspaceName]
 
 where optionalWorkspaceName is the name of the workspace to be used. The default workspace name is catkin_ws. This script also sets up some ROS environment variables. Refer to the script for details.
 
+## Release Notes
+November 2017
+* L4T 28.1
+
+March 2017
+* Initial Release
+* L4T 27.1
+
+## License
+MIT License
+
+Copyright (c) 2017 Jetsonhacks
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ 
diff --git a/installROS.sh b/installROS.sh
index aa87c9e..b59079f 100755
--- a/installROS.sh
+++ b/installROS.sh
@@ -22,14 +22,13 @@ sudo apt-get install ros-kinetic-ros-base -y
 # 
 # Initialize rosdep
 sudo apt-get install python-rosdep -y
-# Certificates are messed up
+# Certificates are messed up on the Jetson for some reason
 sudo c_rehash /etc/ssl/certs
 # Initialize rosdep
 sudo rosdep init
 # To find available packages, use:
 rosdep update
-# Environment Setup
-echo "source /opt/ros/kinetic/setup.bash" >> ~/.bashrc
-source ~/.bashrc
+# Environment Setup - Don't add /opt/ros/kinetic/setup.bash if it's already in bashrc
+grep -q -F 'source /opt/ros/kinetic/setup.bash' ~/.bashrc || echo "source /opt/ros/kinetic/setup.bash" >> ~/.bashrcsource ~/.bashrc
 # Install rosinstall
 sudo apt-get install python-rosinstall -y