Add rebooting to init

src/init/init

@@ -68,8 +68,8 @@ ensure_essential_environment() {
 
 	# If the user runs a non-zstd-aware depmod with a zstd-based module
 	# set, it may clear modules.dep.  If so, fix modules.dep.
-	if [ -e /lib/modules/$(uname -r)/modules.dep ] && \
-			[ "$(stat -c%s "/lib/modules/$(uname -r)/modules.dep")" -eq 0 ]; then
+	if [ -e /lib/modules/$(uname -r)/modules.dep ] &&
+		[ "$(stat -c%s "/lib/modules/$(uname -r)/modules.dep")" -eq 0 ]; then
 		printf "Regenerating modules.dep... "
 		/sbin/depmod
 		echo "done"
@@ -385,6 +385,12 @@ complete_upgrade
 
 init_timeout="$(cfg_values "init" "timeout")"
 def_tuple="$(cfg_values "init" "default")"
+tmpinit=""
+if [ -f "/bedrock/etc/tmpinit" ]; then
+	def_tuple="$(cat "/bedrock/etc/tmpinit")"
+	rm "/bedrock/etc/tmpinit"
+	tmpinit="true"
+fi
 def_stratum="$(deref "$(echo "${def_tuple}" | cut -d: -f1)")"
 def_cmd="$(echo "${def_tuple}" | cut -d: -f2-)"
 def_path=""
@@ -398,7 +404,11 @@ if [ -n "${def_tuple}" ] && [ -d "/bedrock/strata/${def_stratum}" ]; then
 	umount "${sproc}"
 fi
 if [ -n "${def_tuple}" ] && [ -z "${def_path:-}" ]; then
-	notice "${color_warn}WARNING: ${color_file}/bedrock/etc/bedrock.conf [init]/default ${color_warn}value does not describe a valid stratum:init pair.${color_norm}"
+	if [ -z "$tmpinit" ]; then
+		notice "${color_warn}WARNING: ${color_file}/bedrock/etc/bedrock.conf [init]/default ${color_warn}value does not describe a valid stratum:init pair.${color_norm}"
+	else
+		notice "${color_warn}WARNING: ${color_file}/bedrock/etc/tmpinit ${color_warn} does not describe a valid stratum:init pair.${color_norm}"
+	fi
 fi
 if [ -z "${def_path:-}" ]; then
 	init_timeout="-1"

src/slash-bedrock/bin/brl

@@ -36,7 +36,7 @@ ${color_term}Strata${color_norm} status management commands:
   ${color_cmd}enable    ${color_norm}${color_term}Enable${color_norm} ${color_term}strata${color_norm}
   ${color_cmd}disable   ${color_norm}${color_term}Disable${color_norm} ${color_term}strata${color_norm}
   ${color_cmd}repair    ${color_norm}Repairs ${color_term}broken${color_norm} ${color_term}strata${color_norm}
-
+  ${color_cmd}init      ${color_norm}Choose which ${color_term}stratum${color_norm} the next reboot's init be.
 ${color_term}Strata${color_norm} visibility management commands:
   ${color_cmd}hide      ${color_norm}${color_term}Hide${color_norm} ${color_term}strata${color_norm}
   ${color_cmd}show      ${color_norm}${color_term}Show${color_norm} ${color_term}strata${color_norm}
@@ -61,7 +61,7 @@ case "${1:-}" in
 	print_help
 	exit_success
 	;;
-"strat" | "list" | "which" | "fetch" | "import" | "remove" | "rename" | "copy" | "status" | "enable" | "disable" | "repair" | "hide" | "show" | "alias" | "deref" | "apply" | "update" | "version" | "report" | "tutorial")
+"strat" | "list" | "which" | "fetch" | "import" | "remove" | "rename" | "copy" | "status" | "enable" | "disable" | "repair" | "init" | "hide" | "show" | "alias" | "deref" | "apply" | "update" | "version" | "report" | "tutorial")
 	backend="/bedrock/libexec/brl-${1}"
 	shift
 	exec "${backend}" "${@}"

src/slash-bedrock/libexec/brl-init

@@ -0,0 +1,46 @@
+#!/bedrock/libexec/busybox sh
+#
+# brl init
+#
+#      This program is free software; you can redistribute it and/or
+#      modify it under the terms of the GNU General Public License
+#      version 2 as published by the Free Software Foundation.
+#
+# Copyright (c) 2012-2018 Daniel Thau <danthau@bedrocklinux.org>
+# Copyright (c) 2026 TheOddCell <me@oddcell.a>
+#
+# Choose which stratum should be used as the default init for simply the next reboot.
+
+. /bedrock/share/common-code
+
+print_help() {
+	printf "Usage: ${color_cmd}brl init ${color_sub}[strat]${color_norm}
+
+Choose which ${color_term}stratum${color_norm} the next reboot's init be.
+
+Examples:
+  ${color_cmd}$ brl init ${color_strat}arch${color_norm}:/lib/systemd/systemd # make the ${color_strat}arch${color_term} stratum ${color_norm}the next reboot's init, using /lib/systemd/systemd
+
+  ${color_cmd}$ brl init ${color_strat}void${color_norm}:/sbin/init # make the ${color_strat}void${color_term} stratum ${color_norm}the next reboot's init, using /sbin/init
+
+  ${color_cmd}$ brl init ${color_strat}debian${color_norm} # make the ${color_strat}debian${color_term} stratum ${color_norm}the next reboot's init, using /sbin/init
+
+${color_norm}"
+}
+
+handle_help "${@:-}"
+min_args "${#}" "1"
+
+require_root
+case "$1" in
+  *:*)
+    echo "$1">/bedrock/etc/tmpinit
+    ;;
+  *)
+    echo "$1:/sbin/init">/bedrock/etc/tmpinit
+    ;;
+esac
+
+notice "Please reboot manually to switch init systems."
+
+exit_success

src/slash-bedrock/share/bash/completion/brl

@@ -59,7 +59,7 @@ _brl() {
 	if [ "${COMP_CWORD}" -eq 1 ]; then
 		opts="${opts} help strat list which fetch"
 		opts="${opts} remove rename status enable"
-		opts="${opts} disable reename copy hide show"
+		opts="${opts} disable init copy hide show"
 		opts="${opts} alias deref update reload"
 		opts="${opts} version report tutorial"
 	fi
@@ -186,6 +186,9 @@ _brl() {
 	"enable")
 		opts="${opts} $(/bedrock/bin/brl list -dD)"
 		;;
+        "init")
+                opts="${opts} $(/bedrock/bin/brl list -dD)"
+                ;;
 	"disable")
 		for stratum in $(brl list -eE); do
 			if [ "$(/bedrock/bin/brl deref "${stratum}")" = "bedrock" ]; then