Prompt per root user

root-prompt-bashrc.bash

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
        # We have color support; assume it's compliant with Ecma-48
        # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
        # a case would tend to support setf rather than setaf.)
        color_prompt=yes
    else
        color_prompt=
    fi
fi

#### START ORIGINAL PROMPT
#if [ "$color_prompt" = yes ]; then
#    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
#else
#    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
#fi
#unset color_prompt force_color_prompt
#### END ORIGINAL PROMPT

### START CUSTOM PROMPT
if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[1;34m\]\D{%T} \[\033[1;31m\]\u@\h \[\033[1;32m\][\[\033[1;33m\]\W\[\033[1;32m\]]\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt
#### END CUSTOM PROMPT

For the normal user (with git support) see here.