Git bash setup

.bash-constants.sh

# Reset
Color_Off="\[\033[0m\]"       # Text Reset

# Regular Colors
Black="\[\033[0;30m\]"        # Black
Red="\[\033[0;31m\]"          # Red
Green="\[\033[0;32m\]"        # Green
Yellow="\[\033[0;33m\]"       # Yellow
Blue="\[\033[0;34m\]"         # Blue
Purple="\[\033[0;35m\]"       # Purple
Cyan="\[\033[0;36m\]"         # Cyan
White="\[\033[0;37m\]"        # White

# Bold
BBlack="\[\033[1;30m\]"       # Black
BRed="\[\033[1;31m\]"         # Red
BGreen="\[\033[1;32m\]"       # Green
BYellow="\[\033[1;33m\]"      # Yellow
BBlue="\[\033[1;34m\]"        # Blue
BPurple="\[\033[1;35m\]"      # Purple
BCyan="\[\033[1;36m\]"        # Cyan
BWhite="\[\033[1;37m\]"       # White

# Underline
UBlack="\[\033[4;30m\]"       # Black
URed="\[\033[4;31m\]"         # Red
UGreen="\[\033[4;32m\]"       # Green
UYellow="\[\033[4;33m\]"      # Yellow
UBlue="\[\033[4;34m\]"        # Blue
UPurple="\[\033[4;35m\]"      # Purple
UCyan="\[\033[4;36m\]"        # Cyan
UWhite="\[\033[4;37m\]"       # White

# Background
On_Black="\[\033[40m\]"       # Black
On_Red="\[\033[41m\]"         # Red
On_Green="\[\033[42m\]"       # Green
On_Yellow="\[\033[43m\]"      # Yellow
On_Blue="\[\033[44m\]"        # Blue
On_Purple="\[\033[45m\]"      # Purple
On_Cyan="\[\033[46m\]"        # Cyan
On_White="\[\033[47m\]"       # White

# High Intensty
IBlack="\[\033[0;90m\]"       # Black
IRed="\[\033[0;91m\]"         # Red
IGreen="\[\033[0;92m\]"       # Green
IYellow="\[\033[0;93m\]"      # Yellow
IBlue="\[\033[0;94m\]"        # Blue
IPurple="\[\033[0;95m\]"      # Purple
ICyan="\[\033[0;96m\]"        # Cyan
IWhite="\[\033[0;97m\]"       # White

# Bold High Intensty
BIBlack="\[\033[1;90m\]"      # Black
BIRed="\[\033[1;91m\]"        # Red
BIGreen="\[\033[1;92m\]"      # Green
BIYellow="\[\033[1;93m\]"     # Yellow
BIBlue="\[\033[1;94m\]"       # Blue
BIPurple="\[\033[1;95m\]"     # Purple
BICyan="\[\033[1;96m\]"       # Cyan
BIWhite="\[\033[1;97m\]"      # White

# High Intensty backgrounds
On_IBlack="\[\033[0;100m\]"   # Black
On_IRed="\[\033[0;101m\]"     # Red
On_IGreen="\[\033[0;102m\]"   # Green
On_IYellow="\[\033[0;103m\]"  # Yellow
On_IBlue="\[\033[0;104m\]"    # Blue
On_IPurple="\[\033[10;95m\]"  # Purple
On_ICyan="\[\033[0;106m\]"    # Cyan
On_IWhite="\[\033[0;107m\]"   # White

# Various variables you might want for your PS1 prompt instead
Time12h="\T"
Time24h="$(date +%H:%M)"
Time12a="\@"
PathShort="\W"
PathFull="\w"
NewLine="\n"
Jobs="\j"

.profile

#http://mediadoneright.com/content/ultimate-git-ps1-bash-prompt
source ~/.bash_constants.sh

#http://www.codethatmatters.com/2010/01/git-autocomplete-in-mac-os-x/
#https://raw.github.com/git/git/master/contrib/completion/git-prompt.sh
#http://en.newinstance.it/2010/05/23/git-autocompletion-and-enhanced-bash-prompt/
source ~/git-completion.bash
source ~/git-prompt.sh

GIT_PS1_SHOWDIRTYSTATE=true
GIT_PS1_SHOWUNTRACKEDFILES=true
#GIT_PS1_SHOWUPSTREAM="auto"

#http://shreyaschand.com/blog/2013/03/18/show-git-branch-status-in-bash-prompt/
function git_color ()
{
    # Get the status of the repo and chose a color accordingly
    local STATUS=`git status 2>&1`
    if [[ "$STATUS" == *'Not a git repository'* ]]
    then
        echo ""
    else
        if [[ "$STATUS" != *'working directory clean'* ]]
        then
            # red if need to commit
            echo -e '\033[0;31m'
        else
            if [[ "$STATUS" == *'Your branch is ahead'* ]]
            then
                # yellow if need to push
                echo -e '\033[0;33m'
            else
                # else cyan
                echo -e '\033[0;36m'
            fi
        fi
    fi
}

PS1='\u@\h:'$Blue$PathFull$Color_Off'\[$(git_color)\]$(__git_ps1) '$Color_Off$Time24h' \$ '

I change one thing in _git_ps1() to make the parentheses format surrounding the branch/status into []

It looks like this:

which is pretty close to posh-git:

nerd.

jk that's pretty sweet.