2022-02-03

home/dot-local/share/bash/prompt.sh

@@ -0,0 +1,61 @@
+# shellcheck shell=bash
+
+PSBIN="${HOME}/.local/share/bash"
+
+prompt() {
+	local status="$?" file
+	PS1="${PSFIX}"
+	PSSCM="$(source "${PSBIN}/prompt/prompt-scm.sh" 2>/dev/null )"
+	PSPIP="$(source "${PSBIN}/prompt/prompt-pip.sh" 2>/dev/null )"
+
+	# done refreshing, starting to assemble it.
+	PS1="${PS1}\\[\\e[0m\\]${PSSCM%% }${PSSCM:+" "}"
+	PS1="${PS1}\\[\\e[0m\\]${PSPIP%% }${PSPIP:+" "}"
+	# change prompt if last execution was not successful
+	if [[ "${status}" -gt 0 ]]; then
+		PS1="${PS1}\\[\\e[0;31m\\]\\$"
+	else
+		PS1="${PS1}\\[\\e[0;32m\\]\\$"
+	fi
+	# back to default
+	PS1="${PS1}\\[\\e[0m\\] "
+}
+
+# Use window titles only in known X terminals.
+case ${TERM} in
+	xterm*|rxvt*|Eterm|aterm|kterm|gnome|screen)
+		PSTITLE='\[\e]0;\u@\h:\w\a\]'
+	;;
+	*)
+		PSTITLE=''
+	;;
+esac
+
+: "${PSUSERCOLOR:="1;33"}" # yellow by default
+: "${PSHOSTCOLOR:="1;33"}" # yellow by default
+
+typeset -A PSHOSTCOLORS
+PSHOSTCOLORS[louis@desktop-louis]="38;5;164@1;30"
+
+if [[ -n ${PSHOSTCOLORS[${USER}@${HOSTNAME}]} ]]; then
+	PSUSERCOLOR="${PSHOSTCOLORS["${USER}@${HOSTNAME}"]%@*}"
+	PSHOSTCOLOR="${PSHOSTCOLORS["${USER}@${HOSTNAME}"]##*@}"
+fi
+
+if [[ ${EUID} -eq 0 ]]; then
+	PSUSERCOLOR="38;5;160"
+fi
+
+# window title if the terminal can interpret this
+PSFIX="${PSTITLE}"
+# user, with color according to preference
+PSFIX="${PSFIX}\\[\\e[${PSUSERCOLOR}m\\]\\u\\[\\e[0m\\]"
+# @
+PSFIX="${PSFIX}\\[\\e[0m\\]@"
+# host, with color according to preference
+PSFIX="${PSFIX}\\[\\e[${PSHOSTCOLOR}m\\]\\h\\[\\e[0m\\]"
+# current working directory.
+PSFIX="${PSFIX}\\[\\e[38;5;111m\\] \\W "
+
+PROMPT_DIRTRIM=1
+PROMPT_COMMAND+=('prompt')