prompt.bash

export GIT_PS1_SHOWCOLORHINTS=true
export GIT_PS1_SHOWDIRTYSTATE=true
export GIT_PS1_SHOWSTASHSTATE=true
export GIT_PS1_SHOWUNTRACKEDFILES=true
#export GIT_PS1_DESCRIBE_STYLE='contains'
#export GIT_PS1_SHOWUPSTREAM='auto'

if [ -f /opt/local/share/git/git-prompt.sh ]; then
    source /opt/local/share/git/git-prompt.sh
fi
if [ -f /usr/share/git-core/git-prompt.sh ]; then
    source /usr/share/git-core/git-prompt.sh
fi
if [ -f /Applications/Xcode.app/Contents/Developer/usr/share/git-core/git-prompt.sh ]; then
    source /Applications/Xcode.app/Contents/Developer/usr/share/git-core/git-prompt.sh
fi

GIT_PS1_SHOWCOLORHINTS=true

function parse_git_dirty
{
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit, working directory clean" ]] && echo "*"
}

function real_user
{
  LOGNAME=$(logname)
  if [ "${LOGNAME}" == "${USER}" ]; then
    echo "${LOGNAME}"
  else
    echo "$(tput setaf 1)${LOGNAME}$(tput sgr0) as ${USER}"
  fi
  #FULLUSER=$([ "${LOGNAME}" = "${USER}" ] && echo ${USER} || echo '$(tput setaf 1)${LOGNAME}$(tput sgr0) as ${USER}')
  #echo ${FULLUSER}
}

GREEN="\[\e[0;32m\]"
COLOR_NONE="\[\e[0m\]"

#PS1='\h:\W \u\$ '
#PS1='\h:\w \u\$ '
#export PS1='\u@\h \w$(__git_ps1 "[%s]")$ '
#export PS1='\u@\h \w\[\e[0;32m\]$(__git_ps1 "[%s]")\[\e[0m\]$ '
#export PS1='\u@\h \w$(__git_ps1 "[\[\e[0;32m\]%s\[\e[0m\]]")$ '
#export PS1='\u@\h:\w$(__git_ps1 "[\[\e[0;32m\]%s\[\e[0m\]\[\e[0;31m\]$(parse_git_dirty)\[\e[0m\]]")$ '
#export PS1='$(real_user)@\h:\w$(__git_ps1 "[\[\e[0;32m\]%s\[\e[0m\]\[\e[0;31m\]$(parse_git_dirty)\[\e[0m\]]")$ '
#export PS1='$(real_user)@\h:\w$(__git_ps1 "[\[\e[0;32m\]%s\[\e[0m\]]")$ '
#export PS1='$(real_user)@\h:\w$(__git_ps1 "[%s]")$ '
#export PS1VAL='$(real_user)@\h:\w$(__git_ps1 " (%s)")$ '

git_prompt=`type -t __git_ps1`
if [ "functionZ" == ${git_prompt}Z ]; then
    #export PS1VAL='@\h:\w$(__git_ps1 " ($GREEN%s$COLOR_NONE)")$ '
    export PS1VAL='$(real_user)@\h:\w$(__git_ps1 "[%s]")$ '
else
    #export PS1VAL='@\h:\w$ '
    export PS1VAL='$(real_user)@\h:\w$ '
fi

function set_prompt
{
  PS1="${PS1VAL}"
}

# set a fancy prompt (non-color, unless we know we "want" color)
#  - stupid gnome-terminal sets only xterm, see https://bugs.launchpad.net/ubuntu/+source/bash/+bug/103929
#  - Mac OS X sets xterm-256color
if [ "functionZ" == ${git_prompt}Z ]; then
    case "$TERM" in
        xterm-color|xterm|xterm-256color)
            #PROMPT_COMMAND=set_prompt
            #PROMPT_COMMAND='__git_ps1 "\u@\h:\w" "\\\$ "'
            # Downside here is that it breaks other things that try to adjust PS1, like virtualenv
            PROMPT_COMMAND='__git_ps1 "$(real_user)@\h:\w" "\\\$ "'
            #PS1="${PS1VAL}"
        ;;
        *)
            PS1="${PS1VAL}"
        ;;
    esac
else
    PS1="${PS1VAL}"
fi