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© 2014-2019 lirion.de – served by cgit – All Rights Reverse Engineered
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#!/usr/bin/env bash
# vim:syntax=sh:ts=4

# ----- PROMPT COLOURS ----- #
fgcolor () {
	#echo "\\[\\033[38;5;"$1"m\\]"
	echo "\033[38;5;${1}m"
}
fgtcolor () {
	echo "\033[38;2;$1;$2;$3m"
}
bgcolor () {
	#echo "\\[\\033[48;5;"$1"m\\]"
	echo "\033[48;5;${1}m"
}
#  This is Solaris bash compatible, so we cannot use + here for "at least once) but instead use the
#   stupid old asterisk (*). Well, here hetting "no digits" practically won't hurt.
MYUID="$(id|sed 's/.*uid=\([0-9]*\).*/\1/g')";export MYUID
#   ...because "empty" will hit the "any" condition in the end :)
case "$MYUID" in
	0)
		FGC1="fgcolor 88"
		case "$OSNAME" in
			debian)         FGC3="fgcolor 38";FGC2="fgtcolor 155 15 64";;
			arch)			FGC2="fgcolor 24";FGC3="fgcolor 240";;
			redhat)			FGC1="fgcolor 23";FGC2="fgcolor 88";FGC3="fgcolor 203";;
			fedora)			FGC1="fgcolor 160";FGC2="fgcolor 88";FGC3="fgcolor 203";;
			# with the advent of Rocky, we'll match the time to SUSE's blue and the hostname to
			# the colour of Geeko:
			#*suse|aix)		FGC2="fgcolor 22";FGC3="fgcolor 41";;
			*sles*)			FGC2="fgcolor 22";FGC3="fgcolor 83";;
			*suse)			FGC2="fgcolor 30";FGC3="fgcolor 83";;
			aix)			FGC2="fgcolor 238";FGC3="fgcolor 83";;
			*centos*)		FGC2="fgcolor 25";FGC3="fgcolor 208";;
			*solaris)		FGC2="fgcolor 31";FGC3="fgcolor 124";;
			ubuntu)			FGC2="fgcolor 130";FGC3="fgcolor 215";;
			rasp*)			FGC2="fgcolor 253";FGC3="fgcolor 126";;
			rocky)			FGC2="fgcolor 22";FGC3="fgcolor 41";;
			*)				FGC2="fgcolor 240";FGC3="fgcolor 244";;
		esac
	;;
	*)
		FGC2="fgcolor 253"
		case "$OSNAME" in
			debian)         FGC1="fgtcolor 155 15 64";FGC3="fgcolor 38";;
			arch)			FGC1="fgcolor 24";FGC3="fgcolor 239";;
			redhat)			FGC1="fgcolor 23";FGC3="fgcolor 88";;
			fedora)			FGC1="fgcolor 88";FGC3="fgcolor 203";;
			#*suse|aix)		FGC1="fgcolor 22";FGC3="fgcolor 41";;
			*sles*)			FGC1="fgcolor 22";FGC3="fgcolor 83";;
			*suse)			FGC1="fgcolor 30";FGC3="fgcolor 83";;
			aix)			FGC1="fgcolor 238";FGC3="fgcolor 83";;
			*centos*)		FGC1="fgcolor 25";FGC3="fgcolor 208";;
			*solaris)		FGC1="fgcolor 31";FGC3="fgcolor 124";;
			ubuntu)			FGC1="fgcolor 130";FGC3="fgcolor 215";;
			rasp*)			FGC1="fgcolor 53";FGC3="fgcolor 126";;
			rocky)			FGC1="fgcolor 22";FGC3="fgcolor 41";;
			*)				FGC1="fgcolor 240";FGC3="fgcolor 244";;
		esac
	;;
esac
# make it possible to draw user-defined colours
# shellcheck disable=SC1090
[ -r "${BBD}/prompt.bash.local" ] && source "${BBD}/prompt.bash.local"

# ----- USER SEP. AND HOSTNAME ----- #
UHSEP="@"
[ -n "$TMUX_PANE" ]&&UHSEP="[T]"
[ -n "$BYOBU_WINDOW_NAME" ]&&UHSEP="[B]"
[ "$(hostname -s)" == "monitoring" ]&&PHN="$(hostname -f)"||PHN="$(hostname -s)"

# ----- ASSEMBLE THE PROMPT COMMAND ADDITION ----- #
__prompt_command() {
	local EXIT="$?"
	if [ "$EXIT" -lt 10 ];then
		local EXIT2="00$EXIT"
	elif [ "$EXIT" -lt 100 ];then
		local EXIT2="0$EXIT"
	else
		local EXIT2="$EXIT"
	fi
	case "$MYUID" in
		0)
			PS1="\\# \[$(tput bold)\]\[$($FGC1)\]\\u\[$($FGC2)\]@$PHN \[$($FGC3)\]\\w \[$(tput sgr0)\]"
		;;
		*)
			PS1="\\# \[$(tput bold)\]\[$($FGC1)\]\t \[$($FGC2)\]\\u$UHSEP\[$($FGC3)\]$PHN \\w \[$(tput sgr0)\]"
		;;
	esac
	if command -v __git_ps1 >/dev/null 2>&1;then PS1+="$(__git_ps1 "%s ")";fi
	if [ "$EXIT" -eq 0 ];then
		PS1+="\[\033[0;32m\]# "
	elif [ "$EXIT" -eq 255 ]||[ "$EXIT" -eq 127 ];then
		PS1+="\[\033[0;33m\]$EXIT2 # "
	elif [ "$EXIT" -eq 130 ];then
		 PS1+="\[\033[0;35m\]$EXIT2 # "
	else
		PS1+="\[\033[0;31m\]$EXIT2 # "
	fi
	PS1+="\[\033[0m\]"
}

# ----- ADD __prompt_command() TO $PROMPT_COMMAND ----- #
if ! printf "%b" "$PROMPT_COMMAND" | grep '__prompt_command' >/dev/null;then
	case "$TERM" in
		# adding in "screen" because tmux
		xterm|xterm-color|xterm-256color|rxvt*|screen-256color|screen)
			if [ -n "$PROMPT_COMMAND" ];then
				export PROMPT_COMMAND="__prompt_command;${PROMPT_COMMAND}"
			else
				export PROMPT_COMMAND="__prompt_command"
			fi
		;;
		*)
			if [ -n "$PROMPT_COMMAND" ];then
				export PROMPT_COMMAND="__prompt_command;${PROMPT_COMMAND}"
			else
				export PROMPT_COMMAND="__prompt_command"
			fi
		;;
	esac
fi
# ----- HISTORY SUBMISSION IN $PROMPT_COMMAND ----- #
if ! printf "%b" "$PROMPT_COMMAND"|grep 'history -a' >/dev/null;then
	if [ -n "$PROMPT_COMMAND" ];then
		export PROMPT_COMMAND="$PROMPT_COMMAND;history -a;history -c;history -r"
	else
		export PROMPT_COMMAND="history -a;history -c;history -r"
	fi
fi