bash: update prompt

diff --git a/.bashrc b/.bashrc
index b5c3480..f7cbfc8 100644 (file)
--- a/.bashrc
+++ b/.bashrc
@@ -22,20 +22,22 @@ if [ -n "$IS_GUIX_SYSTEM" ]; then
 fi
 
 # from https://unix.stackexchange.com/a/55935
-a_prompt() {
+b_prompt() {
     cwd=$(sed -e "s:$HOME:~:" -e "s:\(\.\?[^/]\)[^/]*/:\1/:g" <<<$PWD)
     printf $cwd
 }
-# Adjust the prompt depending on whether we're in 'guix environment'.
-if [ -n "$GUIX_ENVIRONMENT" ]
-then
-    PS1="\u@\h [env] \$(a_prompt)> "
+
+if [ $(id -u) == "0" ]; then
+    PS1='`printf "\[\e[1;31m\]\$\[\e[00m\]"` '
 else
-    PS1="\u@\h \$(a_prompt)> "
+    PS1='\$ '
 fi
+PS1="`[ -n "$GUIX_ENVIRONMENT" ] && printf \" [env]\"`\n$PS1"
+__u='`[ \`id -u\` == "0" ] && printf "\[\e[1;31m\]\u\[\e[00m\]" || printf "\u"`'
+PS1="$__u@\h:\w/$PS1"
 
 # set terminal title
-PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: $(a_prompt)\007"'
+PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: $(b_prompt)\007"'
 
 # i-beam cursor
 # echo -e "\033[5 q"              # blinking