Add powerline shell prompt

bash/.bashrc

@@ -57,11 +57,19 @@ if [ -n "$force_color_prompt" ]; then
     fi
 fi
 
-if [ "$color_prompt" = yes ]; then
-    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\][\u@\h\[\033[00m\] \W\[\033[01;32m\]]\$\[\033[00m\]'
-else
-    PS1='${debian_chroot:+($debian_chroot)}[\u@\h \W]\$ '
+function _update_ps1() {
+    PS1=$(powerline-shell $?)
+}
+
+if [[ $TERM != linux && ! $PROMPT_COMMAND =~ _update_ps1 ]]; then
+      PROMPT_COMMAND="_update_ps1; $PROMPT_COMMAND"
 fi
+
+" if [ "$color_prompt" = yes ]; then
+"     PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\][\u@\h\[\033[00m\] \W\[\033[01;32m\]]\$\[\033[00m\]'
+" else
+"     PS1='${debian_chroot:+($debian_chroot)}[\u@\h \W]\$ '
+" fi
 unset color_prompt force_color_prompt
 
 # If this is an xterm set the title to user@host:dir