Fix the PS1 for git branch: current may in sub-folder

bashrc

@@ -1,4 +1,4 @@
-PS1='`a=$?;if [ $a -ne 0 ]; then echo -n -e "\[\e[01;32;41m\]{$a}"; fi`\[\033[01;32m\]\u@\h\[\033[00m\] \[\033[01;34m\]\W`if [ -e .git ]; then B=$(git branch 2>/dev/null | sed -e "/^ /d" -e "s/* \(.*\)/\1/"); S=git; elif [ -e .bzr ]; then S=bzr; elif [ -e .hg ]; then S="hg"; elif [ -e .svn ]; then S="svn"; else S=""; fi;  if [ "$S" != "" ]; then if [ "$B" != "" ]; then M=$S:$B; else M=$S; fi; fi; [[ "$M" != "" ]] && echo -n -e "\[\e[33;40m\]($M)\[\033[01;32m\]\[\e[00m\]"`\[\033[01;34m\] $ \[\e[00m\]'
+PS1='`a=$?;if [ $a -ne 0 ]; then echo -n -e "\[\e[01;32;41m\]{$a}"; fi`\[\033[01;32m\]\u@\h\[\033[00m\] \[\033[01;34m\]\W`B=$(git branch 2>/dev/null | sed -e "/^ /d" -e "s/* \(.*\)/\1/"); if [ "$B" != "" ]; then S="git"; elif [ -e .bzr ]; then S=bzr; elif [ -e .hg ]; then S="hg"; elif [ -e .svn ]; then S="svn"; else S=""; fi; if [ "$S" != "" ]; then if [ "$B" != "" ]; then M=$S:$B; else M=$S; fi; fi; [[ "$M" != "" ]] && echo -n -e "\[\e[33;40m\]($M)\[\033[01;32m\]\[\e[00m\]"`\[\033[01;34m\] $ \[\e[00m\]'
 
 if [ -x /usr/bin/dircolors ]; then
     eval "`dircolors -b`"