Bash prompt git colorized

bashrc.sh

# display git branch green or orange if some files are modified or staged
changed_file_count() {
 git status --porcelain 2> /dev/null | wc -l
}
branch_color() {
 fc=$(changed_file_count)
 if [ $fc -eq 0 ]; then
   printf "\033[38;5;34m"
 else
   printf "\033[38;5;166m"
 fi
}
parse_git_branch() {
 git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}
if [ "$color_prompt" = yes ]; then
 PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[$(branch_color)\] $(parse_git_branch)\[\033[00m\]\$ '
else
 PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w$(parse_git_branch)\$ '
fi