Installing Simple Arms

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Hello! I was trying to follow the turtlebot arm setup tutorial and I got the following error when trying to install simple arms:

$ rosmake --rosdep-install simple_arms
[ rosmake ] Packages requested are: ['simple_arms']                             
[ rosmake ] Logging to directory/home/marc/.ros/rosmake/rosmake_output-20111013-160200
[ rosmake ] Expanded args ['simple_arms'] to:
[]                                
[ rosmake ] WARNING: The following args could not be parsed as stacks or packages: ['simple_arms']
[ rosmake ] ERROR: No arguments could be parsed into valid package or stack names.

Does anyone have an idea of why I am getting this error, and how I should go about fixing it?

In addition to this, I am getting the following error upon trying to run the next step, to install the turtlebot_arm software.

marc@marc-howard:~/ros$ hg clone hg https://kforge.ros.org/turtlebot/turtlebot_arm
abort: repository hg not found!

I don't know if this is because of the previous problem or if that is it's own problem. Any help would be appreciated! Thank you very much!

Thank you very much! I have attached my command history for getting it set up below so that everything can be seen:

marc@marc-howard:~$ cd ~/ros
marc@marc-howard:~/ros$ svn co http://vanadium-ros-pkg.googlecode.com/svn/trunk/simple_arms/
A    simple_arms/simple_grasping
A    simple_arms/simple_grasping/include
A    simple_arms/simple_grasping/include/simple_grasping
A    simple_arms/simple_grasping/manifest.xml
A    simple_arms/simple_grasping/src
A    simple_arms/simple_grasping/CMakeLists.txt
A    simple_arms/simple_grasping/Makefile
A    simple_arms/stack.xml
A    simple_arms/simple_arm_actions
A    simple_arms/simple_arm_actions/manifest.xml
A    simple_arms/simple_arm_actions/bin
A    simple_arms/simple_arm_actions/bin/relax_arm_server.py
A    simple_arms/simple_arm_actions/bin/reset_arm_server.py
A    simple_arms/simple_arm_actions/CMakeLists.txt
A    simple_arms/simple_arm_actions/action
A    simple_arms/simple_arm_actions/action/RelaxArm.action
A    simple_arms/simple_arm_actions/action/ResetArm.action
A    simple_arms/simple_arm_actions/Makefile
A    simple_arms/CMakeLists.txt
A    simple_arms/Makefile
A    simple_arms/simple_arm_server
A    simple_arms/simple_arm_server/manifest.xml
A    simple_arms/simple_arm_server/msg
A    simple_arms/simple_arm_server/msg/ArmAction.msg
A    simple_arms/simple_arm_server/src
A    simple_arms/simple_arm_server/src/simple_arm_navigation_server.cpp
A    simple_arms/simple_arm_server/nodes
A    simple_arms/simple_arm_server/nodes/simple_arm_server_test.py
A    simple_arms/simple_arm_server/nodes/simple_arm_server.py
A    simple_arms/simple_arm_server/nodes/constraint_aware_simple_arm_server.py
A    simple_arms/simple_arm_server/srv
A    simple_arms/simple_arm_server/srv/GetTrajectoryValidity.srv
A    simple_arms/simple_arm_server/mainpage.dox
A    simple_arms/simple_arm_server/launch
A    simple_arms/simple_arm_server/launch/arm_server.launch
A    simple_arms/simple_arm_server/CMakeLists.txt
A    simple_arms/simple_arm_server/action
A    simple_arms/simple_arm_server/action/MoveArm.action
A    simple_arms/simple_arm_server/Makefile
Checked out revision 587.
marc@marc-howard:~/ros$ rosmake --rosdep-install simple_arms
[ rosmake ] Packages requested are: ['simple_arms']                             
[ rosmake ] Logging to directory/home/marc/.ros/rosmake/rosmake_output-20111013-160043
[ rosmake ] Expanded args ['simple_arms'] to:
[]                                
[ rosmake ] WARNING: The following args could not be parsed as stacks or packages: ['simple_arms']
[ rosmake ] ERROR: No arguments could be parsed into valid package or stack names.
marc@marc-howard:~/ros$ ls
simple_arms
marc@marc-howard:~/ros$ cd simple_arms/
marc@marc-howard:~/ros/simple_arms$ rosmake --rosdep-install simple_arms
[ rosmake ] Packages requested are: ['simple_arms']                             
[ rosmake ] Logging to directory/home/marc/.ros/rosmake/rosmake_output-20111013-160108
[ rosmake ] Expanded args ['simple_arms'] to:
[]                                
[ rosmake ] WARNING: The following args could not be parsed as stacks or packages: ['simple_arms']
[ rosmake ] ERROR: No arguments could be parsed into valid package or stack ...