diff --git a/etc/profile.d/bash-color-prompt.sh b/etc/profile.d/bash-color-prompt.sh
index 96b5895..b2dc68e 100644
--- a/etc/profile.d/bash-color-prompt.sh
+++ b/etc/profile.d/bash-color-prompt.sh
@@ -1,8 +1,148 @@
-PROMPT_COLOR="93;1"
-PROMPT_USERHOST="${PROMPT_USERHOST:-\u@\h}"
-PROMPT_SEPARATOR="${PROMPT_SEPARATOR:-:}"
-PROMPT_DIRECTORY="${PROMPT_DIRECTORY:-\w}"
-colorpre='\[\e['
-colorsuf='m\]'
-colorreset="${colorpre}0${colorsuf}"
-PS1='${PROMPT_START@P}'"${colorpre}"'${PROMPT_COLOR}'"${colorsuf}"'${PROMPT_USERHOST@P}'"${colorreset}"'${PROMPT_SEPARATOR@P}'"${colorpre}"'${PROMPT_DIR_COLOR:-${PROMPT_COLOR}}'"${colorsuf}"'${PROMPT_DIRECTORY@P}'"${colorreset}"'${PROMPT_END@P}\$'"${colorreset} "
+# see /usr/share/doc/bash-color-prompt/README.md
+
+## to truncate \w dirpath set:
+# PROMPT_DIRTRIM=3
+
+# only for bash
+if [ -n "${BASH_VERSION}" -a -z "${bash_prompt_color_disable}" ]; then
+
+    # enable only in interactive shell
+    case $- in
+        *i*) ;;
+        *) return;;
+    esac
+
+    # defines PS1 for color prompt
+    prompt_setup_color_ps1() {
+        local colorpre='\[\e['
+        local colorsuf='m\]'
+        local colorreset="${colorpre}0${colorsuf}"
+        PS1='${PROMPT_START@P}'"${colorpre}"'${PROMPT_COLOR}${PROMPT_HIGHLIGHT:+;$PROMPT_HIGHLIGHT}'"${colorsuf}"'${PROMPT_USERHOST@P}'"${colorreset}"'${PROMPT_SEPARATOR@P}'"${colorpre}"'${PROMPT_DIR_COLOR-${PROMPT_COLOR}}${PROMPT_HIGHLIGHT:+;$PROMPT_HIGHLIGHT}'"${colorsuf}"'${PROMPT_DIRECTORY@P}'"${colorreset}"'${PROMPT_END@P}\$'"${colorreset} "
+    }
+
+    # sets default color or $1 can override
+    prompt_color() {
+        if [ -n "${1:+1}" ]; then
+            PROMPT_COLOR="$1"
+        else
+            if [ "$USER" = "root" ]; then
+                PROMPT_COLOR="93;1"
+            else
+                PROMPT_COLOR="93"
+            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_default_color() {
+        prompt_color "$1"
+        prompt_default_highlight
+        unset PROMPT_DIR_COLOR
+    }
+
+    prompt_dir_color() {
+        if [ -n "${1:+1}" ]; then
+            PROMPT_DIR_COLOR="$1"
+        else
+            unset PROMPT_DIR_COLOR
+        fi
+    }
+
+    # only activate for color terminals and if PS1 unchanged from bash or fedora defaults
+    if [ '(' "$PS1" = "[\u@\h \W]\\$ " -o "$PS1" = "\\s-\\v\\\$ " ')' \
+             -a '(' "${TERM: -5}" = "color" -o "${TERM}" = "linux" ')' \
+             -o -n "${bash_prompt_color_force}" ]; then
+        prompt_color "$PROMPT_COLOR"
+        prompt_default_highlight "$PROMPT_HIGHLIGHT"
+        prompt_dir_color "$PROMPT_DIR_COLOR"
+        PROMPT_USERHOST="${PROMPT_USERHOST-${container:+⬢ }\u@\h}"
+        PROMPT_SEPARATOR="${PROMPT_SEPARATOR-:}"
+        PROMPT_DIRECTORY="${PROMPT_DIRECTORY-\w}"
+        prompt_setup_color_ps1
+    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${1:+;$1}"
+    }
+
+    prompt_container() {
+        if [ -n "$container" ]; then
+            eval local $(grep "\(^ID=\|VERSION_ID\|VARIANT_ID\)" /etc/os-release)
+            PROMPT_USERHOST="⬢ $ID-$VARIANT_ID$VERSION_ID"
+        else
+            if [ "$HOSTNAME" = "fedora" -a "$1" = "$USER" ]; then
+                unset PROMPT_USERHOST
+            fi
+        fi
+        }
+
+    # unsets colors
+    prompt_no_color() {
+        unset PROMPT_COLOR
+        unset PROMPT_DIR_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]\\$ "
+    }
+
+fi