.bash_git

red=$(tput setaf 1)
green=$(tput setaf 2)
cyan=$(tput setaf 6)
reset=$(tput sgr0)
bold=$(tput bold)


get_git_branch() {
    branch=$(git branch | grep "\*" | tr -d \*| tr -d ' ')
    echo $branch	
}

get_git_color() {
    status=$(git status)
      
    if echo "$status" | egrep -q "nichts zum Commit|nichts zu committen|nothing added to commit|nothing to commit"; then
        color=$green
    else
        color=$red
    fi

    if echo "$status" | egrep -q "unbeobachtet|untracked|Unbeobachtet|Untracked|Unversioniert|Unversioned"; then
    	color=$bold$color
    fi

    echo $color
}

check_git() {
	if [[ "$(__git_ps1)" != "" ]]; then
		export GIT_PROMPT_BEGIN=" "[
		export GIT_COLOR=$(get_git_color)
		export GIT_BRANCH=$(get_git_branch)
		export GIT_PROMPT_END=]
	else
		export GIT_PROMPT_BEGIN=''
		export GIT_BRANCH=''
		export GIT_PROMPT_END=''
	fi
}

PROMPT_COMMAND='check_git'

if [ "$1" = colored_prompt ]; then
   export PS1='\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]:$GIT_PROMPT_BEGIN\[$GIT_COLOR\]$GIT_BRANCH\[$reset\]$GIT_PROMPT_END\$ '
else
   export PS1='\u@\h:\w$GIT_PROMPT_BEGIN\[$GIT_COLOR\]$GIT_BRANCH\[$reset\]$GIT_PROMPT_END\$ '
fi