add bash-it

2022-05-05 22:20:02 +02:00
parent 6a62a35d0d
commit 43701f0590
490 changed files with 33047 additions and 0 deletions
@@ -0,0 +1,93 @@
+# shellcheck shell=bash
+
+function _user-prompt() {
+	local -r user='\u'
+
+	if [[ "${EUID}" -eq 0 ]]; then
+		# Privileged users:
+		local -r user_color="${bold_red?}"
+	else
+		# Standard users:
+		local -r user_color="${bold_green?}"
+	fi
+
+	# Print the current user's name (colored according to their current EUID):
+	printf '%b%s%b' "${user_color}" "${user}" "${normal?}"
+}
+
+function _host-prompt() {
+	local -r host='\h'
+
+	# Check whether or not $SSH_TTY is set:
+	if [[ -z "${SSH_TTY:-}" ]]; then
+		# For local hosts, set the host's prompt color to blue:
+		local -r host_color="${bold_blue?}"
+	else
+		# For remote hosts, set the host's prompt color to red:
+		local -r host_color="${bold_red?}"
+	fi
+
+	# Print the current hostname (colored according to $SSH_TTY's status):
+	printf '%b%s%b' "${host_color}" "${host}" "${normal?}"
+}
+
+function _user-at-host-prompt() {
+	# Concatenate the user and host prompts into: user@host:
+	_user-prompt
+	printf '%b@' "${bold_white?}"
+	_host-prompt
+}
+
+function _exit-status-prompt() {
+	local -r prompt_string="${1}"
+	local -r exit_status="${2}"
+
+	# Check the exit status of the last command captured by $exit_status:
+	if [[ "${exit_status}" -eq 0 ]]; then
+		# For commands that return an exit status of zero, set the exit status's
+		# notifier to green:
+		local -r exit_status_color="${bold_green?}"
+	else
+		# For commands that return a non-zero exit status, set the exit status's
+		# notifier to red:
+		local -r exit_status_color="${bold_red?}"
+	fi
+
+	if [[ "${prompt_string}" -eq 1 ]]; then
+		# $PS1:
+		printf '%b +%b' "${exit_status_color}" "${normal?} "
+	elif [[ "${prompt_string}" -eq 2 ]]; then
+		# $PS2:
+		printf '%b |%b' "${exit_status_color}" "${normal?} "
+	else
+		# Default:
+		printf '%b ?%b' "${exit_status_color}" "${normal?} "
+	fi
+}
+
+function _ps1() {
+	local -r time='\t'
+	local -r pwd='\w'
+
+	printf '%b%s ' "${bold_white?}" "${time}"
+	_user-at-host-prompt
+	printf '%b:%b%s\n' "${bold_white?}" "${normal?}" "${pwd}"
+	_exit-status-prompt 1 "${exit_status}"
+}
+
+function _ps2() {
+	_exit-status-prompt 2 "${exit_status}"
+}
+
+function prompt_command() {
+	# Capture the exit status of the last command:
+	local -r exit_status="${?}"
+
+	# Build the $PS1 prompt:
+	PS1="$(_ps1)"
+
+	# Build the $PS2 prompt:
+	PS2="$(_ps2)"
+}
+
+safe_append_prompt_command prompt_command