# see /usr/share/doc/bash-color-prompt/README.md

## to truncate \w dirpath set:
# PROMPT_DIRTRIM=3

# only for bash
if [ -n "${BASH_VERSION}" -a -z "${bash_color_prompt_disable}" -a -z "${bash_prompt_color_disable}" ]; then

    # enable only in interactive shell
    case $- in
        *i*) ;;
        *) if [ -z "${bash_prompt_color_test}" ]; then return; fi;;
    esac

    # defines PS1 for color prompt
    prompt_setup_color_ps1() {
        PS1='${PROMPT_START@P}\[\e[0m\]${PROMPT_HIGHLIGHT:+\[\e[${PROMPT_HIGHLIGHT}m\]}${PROMPT_COLOR:+\[\e[${PROMPT_COLOR}m\]}${PROMPT_CONTAINER}${PROMPT_USERHOST:+${PROMPT_USERHOST@P}${PROMPT_SEPARATOR:+\[\e[0m\]${PROMPT_SEPARATOR_COLOR:+\[\e[${PROMPT_SEPARATOR_COLOR}m\]}${PROMPT_SEPARATOR@P}${PROMPT_SEPARATOR_COLOR:+\[\e[0m\]}${PROMPT_HIGHLIGHT:+\[\e[${PROMPT_HIGHLIGHT}m\]}${PROMPT_COLOR:+\[\e[${PROMPT_COLOR}m\]}}}${PROMPT_DIR_COLOR:+\[\e[${PROMPT_DIR_COLOR}m\]}${PROMPT_DIRECTORY@P}${PROMPT_GIT_BRANCH:+${PROMPT_SEPARATOR:+\[\e[0m\]${PROMPT_SEPARATOR_COLOR:+\[\e[${PROMPT_SEPARATOR_COLOR}m\]}${PROMPT_SEPARATOR@P}${PROMPT_SEPARATOR_COLOR:+\[\e[0m\]}${PROMPT_HIGHLIGHT:+\[\e[${PROMPT_HIGHLIGHT}m\]}${PROMPT_COLOR:+\[\e[${PROMPT_COLOR}m\]}${PROMPT_DIR_COLOR:+\[\e[${PROMPT_DIR_COLOR}m\]}}${PROMPT_GIT_COLOR:+\[\e[${PROMPT_GIT_COLOR}m\]}${PROMPT_GIT_BRANCH@P}}\[\e[0m\]${PROMPT_END@P}\$${PROMPT_END:+\[\e[0m\]} '
    }

    # sets default color or $1 can override
    prompt_color() {
        if [ -n "$1" ]; then
            PROMPT_COLOR="$1"
        else
            if [ "$USER" = "root" ]; then
                PROMPT_COLOR=35
            else
                PROMPT_COLOR=32
            fi
        fi
    }

    # sets prompt highlighting
    prompt_highlight() {
        PROMPT_HIGHLIGHT=${1:-1}
    }

    prompt_default_highlight() {
        if [ "$DESKTOP_SESSION" = "gnome" ]; then
            prompt_highlight "${1:-1}"
        else
            unset PROMPT_HIGHLIGHT
        fi
    }

    prompt_separator_color() {
        PROMPT_SEPARATOR_COLOR=$1
    }

    prompt_default_color() {
        prompt_color "$1"
        prompt_default_highlight
        prompt_separator_color
        unset PROMPT_DIR_COLOR
        unset PROMPT_GIT_COLOR
    }

    prompt_dir_color() {
        if [ -n "$1" ]; then
            PROMPT_DIR_COLOR="$1"
        else
            unset PROMPT_DIR_COLOR
        fi
    }

    # sets default prompt format
    prompt_default_format() {
        PROMPT_USERHOST='\u@\h'
        PROMPT_SEPARATOR=':'
        PROMPT_DIRECTORY='\w'
        PROMPT_START=''
        PROMPT_END=''
    }

    # sets default prompt color and format
    prompt_default() {
        prompt_default_color "$1"
        prompt_default_format
    }

    # sets color to OS ANSI_COLOR
    # $1 is appended to the (foreground) color
    prompt_os_color() {
        if [ -z "$ANSI_COLOR" ]; then
            eval local $(grep ANSI_COLOR /etc/os-release)
        fi
        PROMPT_COLOR="${ANSI_COLOR:2}${1:+;$1}"
    }

    prompt_separator() {
        PROMPT_SEPARATOR=$1
    }

    prompt_host_os() {
        eval local $(grep "\(^ID=\|VERSION_ID\|VARIANT_ID\)" /etc/os-release)
        case "$VARIANT_ID" in
            eln)
                PROMPT_USERHOST="$VARIANT_ID" ;;
            *)
                PROMPT_USERHOST="$ID$VERSION_ID" ;;
        esac
    }

    prompt_no_userhost() {
        unset PROMPT_USERHOST
    }

    prompt_container() {
        if [ -n "$container" ]; then
            PROMPT_CONTAINER="⬢ "
        else
            unset PROMPT_CONTAINER
        fi
        }

    prompt_container_host() {
        prompt_container
        if [ -n "$container" ]; then
            prompt_host_os
        else
            if [ "$HOSTNAME" = "${2:-fedora}" -a "$1" = "$USER" ]; then
                prompt_no_userhost
            fi
        fi
    }

    prompt_git_color() {
        PROMPT_GIT_COLOR=$1
    }

    # unsets colors
    prompt_no_color() {
        unset PROMPT_COLOR
        unset PROMPT_DIR_COLOR
        unset PROMPT_SEPARATOR_COLOR
        unset PROMPT_GIT_COLOR
    }

    # unsets highlighting
    prompt_no_highlight() {
        unset PROMPT_HIGHLIGHT
    }

    # unsets color and highlighting
    prompt_plain() {
        prompt_no_color
        prompt_no_highlight
    }

    # sets traditional Red Hat prompt style format
    prompt_traditional_format() {
        PROMPT_USERHOST='\u@\h'
        PROMPT_SEPARATOR=' '
        PROMPT_DIRECTORY='\W'
        PROMPT_START='['
        PROMPT_END=']'
    }

    # sets traditional Red Hat prompt style without color
    prompt_traditional() {
        prompt_plain
        prompt_traditional_format
    }

    # revert to traditional Red Hat prompt
    prompt_reset_traditional_ps1() {
        PS1="[\u@\h \W]\\$ "
    }

    prompt_default_setup() {
        prompt_color "$PROMPT_COLOR"
        prompt_default_highlight "$PROMPT_HIGHLIGHT"
        prompt_dir_color "$PROMPT_DIR_COLOR"
        prompt_container
        PROMPT_USERHOST="${PROMPT_USERHOST-\u@\h}"
        prompt_separator "${PROMPT_SEPARATOR-:}"
        prompt_separator_color "${PROMPT_SEPARATOR_COLOR}"
        PROMPT_DIRECTORY="${PROMPT_DIRECTORY-\w}"
        prompt_setup_color_ps1
    }

    prompt_default_setup_checked() {
        # only activate for color terminals and if PS1 unchanged from bash or fedora defaults
        if [ '(' "$PS1" = "[\u@\h \W]\\$ " -o "$PS1" = "\\s-\\v\\\$ " -o "${TOOLBOX_PATH}" = "/usr/bin/toolbox" ')' \
                 -a '(' -n "${COLORTERM}" -o "${TERM: -5}" = "color" -o "${TERM}" = "linux" ')' \
                 -o -n "${bash_color_prompt_force}" \
                 -o -n "${bash_prompt_color_force}" ]; then
            prompt_default_setup
            if [ -n "${NO_COLOR}" -a -z "${BASH_PROMPT_USE_COLOR}" -o -n "${BASH_PROMPT_NO_COLOR}" ]; then
                prompt_highlight
                prompt_no_color
            fi
        fi
    }

    prompt_default_setup_checked

    BASH_COLOR_PROMPT_VERSION=0.7.1

    # user convenience
    set_ansi() {
        echo "\[\e[${1}m\]"
    }
fi