userconfig fix

userconfig.sh

 #!/bin/bash
 
-vagranthome=${PWD}
-ca_dir="${vagranthomw}/advanced_computer_architecture"
+ca_dir="${HOME}/advanced_computer_architecture"
 
 mkdir -p advanced_computer_architecture
-cd  
+
+cd $HOME 
 if [ ! -d gem5 ]; then
  hg clone http://repo.gem5.org/gem5
 fi
 
 cd gem5
 hg pull 
+
 #scons build/ARM/gem5.debug
 scons build/ARM/gem5.opt
 #scons build/X86/gem5.debug
 #scons build/X86/gem5.opt
 
 cd $ca_dir
-sudo wget http://www.gem5.org/dist/current/arm/aarch-system-2014-10.tar.xz
+mkdir system
+cd system
+wget http://www.gem5.org/dist/current/arm/aarch-system-2014-10.tar.xz
+
 tar xvJf aarch-system-2014-10.tar.xz
 
-cd $vagranthome
-cp -r /vagrant/local_config/ssh ~/.ssh
-/vagrant/local_config/local_bootstrap.sh
\ No newline at end of file
+if [ $? == 0 ]; then
+ rm aarch-system-2014-10.tar.xz
+fi
+
+echo 'export M5_PATH="${ca_dir}/system"' >> .bashrc
+
+cd $HOME
+cp -r /vagrant/local_config/ssh/* ~/.ssh
+
+/vagrant/local_config/local_bootstrap.sh