From 96c032f92783af8cbffd14014d4fe63f79199b03 Mon Sep 17 00:00:00 2001
From: Reiner Herrmann <reiner@reiner-h.de>
Date: Sun, 19 Nov 2023 13:21:08 +0100
Subject: bashrc: refactor prompt setting into PROMPT_COMMAND

---
 bashrc | 47 ++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 36 insertions(+), 11 deletions(-)

(limited to 'bashrc')

diff --git a/bashrc b/bashrc
index 8582ad0..916ad2b 100644
--- a/bashrc
+++ b/bashrc
@@ -48,17 +48,42 @@ case "$TERM" in
 esac
 
 # prompt
-reset='\[\033[0m\]'
-yellow_b='\[\033[1;33m\]'
-green='\[\033[0;32m\]'
-red='\[\033[0;31m\]'
-red_b='\[\033[1;31m\]'
-[ $(id -u) -eq 0 ] && user_color=$red_b || user_color=$yellow_b
-nrjobs='$([ \j -gt 0 ] && echo " [\j]")'
-gitps='$(type -t __git_ps1 &>/dev/null && __git_ps1)'
-[ -n "$debian_chroot" ] && chroot="[$debian_chroot] "
-[ -n "$container" ] && container="[$container] "
-PS1=${TITLE}"($user_color\u$reset@$green\h$reset) $container$chroot\W$gitps$nrjobs $red\\\$$reset > "
+__prompt_command() {
+	PS1='${TITLE}'
+
+	local reset='\[\033[0m\]'
+	local yellow_b='\[\033[1;33m\]'
+	local green='\[\033[0;32m\]'
+	local red='\[\033[0;31m\]'
+	local red_b='\[\033[1;31m\]'
+
+	# user name
+	[ $(id -u) -eq 0 ] && local user_color=$red_b || local user_color=$yellow_b
+	PS1+="($user_color\u$reset@$green\h$reset)"
+
+	# chroot / container
+	if [ -n "$container" ]; then
+		PS1+=" [$container]"
+	fi
+	if [ -n "$debian_chroot" ]; then
+		PS1+=" [$debian_chroot]"
+	fi
+
+	# directory base
+	PS1+=" \W"
+
+	# git
+	local gitps='$(type -t __git_ps1 &>/dev/null && __git_ps1)'
+	PS1+="$gitps"
+
+	# background jobs
+	if [ -n "$(jobs -p)" ]; then
+		PS1+=" [\j]"
+	fi
+
+	PS1+=" $red\$$reset > "
+}
+PROMPT_COMMAND=__prompt_command
 
 # history
 HISTCONTROL='ignoredups:erasedups'
-- 
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