Styling the git prompt of the Windows' git bash. Put it to the ~/.config/git/ folder.

git-prompt.sh

PS1='\[\033]0;Git Bash: $PWD\007\]'           # set window title
PS1="$PS1"'\[\e[37;40m\]\[\e[37;40m\]'        # change to white
PS1="$PS1"'\u@\h:'                            # user@host<space>
PS1="$PS1"'\[\e[35;40m\]'                     # change to purple
PS1="$PS1"'\W'                                # current working directory(short)
if test -z "$WINELOADERNOEXEC"
then
        GIT_EXEC_PATH="$(git --exec-path 2>/dev/null)"
        COMPLETION_PATH="${GIT_EXEC_PATH%/libexec/git-core}"
        COMPLETION_PATH="${COMPLETION_PATH%/lib/git-core}"
        COMPLETION_PATH="$COMPLETION_PATH/share/git/completion"
        if test -f "$COMPLETION_PATH/git-prompt.sh"
        then
                . "$COMPLETION_PATH/git-completion.bash"
                . "$COMPLETION_PATH/git-prompt.sh"
                PS1="$PS1"'\[\e[33;40m\]'     # change color to orange
                PS1="$PS1"'`__git_ps1`'       # bash function
        fi
fi
PS1="$PS1"'\[\e[32;40m\]'                     # change to green
PS1="$PS1"'$\[\e[0m\] '                       # prompt: always $

MSYS2_PS1="$PS1"                              # for detection by MSYS2 SDK's bash.basrc