Use the auto-updating Blacktip, Bamboo and Reef; add the -auto-update option

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

deploy/setup.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 # One-shot setup for a VPS. Run as root.
 #
-#   sh setup.sh [--domain hh.example.com] [--version v0.1.0]     Hammerhead (dashboard and API)
+#   sh setup.sh [--domain hh.example.com] [--version v0.1.0] [--no-auto-update]   Hammerhead (dashboard and API)
 #   sh setup.sh edge  --hammerhead URL --token TOKEN [--ports 25565,30000-30100] [--version V]
 #   sh setup.sh agent --hammerhead URL --token TOKEN [--version V]
 #
@@ -20,7 +20,7 @@ set -eu
 BASE=${SHARKS_BASE:-https://git.veillax.com/Veillax}
 MODE=hammerhead
 case "${1:-}" in edge | agent) MODE=$1; shift ;; esac
-DOMAIN= VERSION= HH= TOKEN= PORTS=
+DOMAIN= VERSION= HH= TOKEN= PORTS= AUTOUP=1
 while [ $# -gt 0 ]; do
 	case "$1" in
 		--domain) DOMAIN=$2; shift 2 ;;
@@ -28,11 +28,18 @@ while [ $# -gt 0 ]; do
 		--hammerhead) HH=$2; shift 2 ;;
 		--token) TOKEN=$2; shift 2 ;;
 		--ports) PORTS=$2; shift 2 ;;
+		--no-auto-update) AUTOUP=0; shift ;;
 		-h | --help) sed -n '2,16p' "$0"; exit 0 ;;
 		*) echo "unknown option $1 (see --help)" >&2; exit 2 ;;
 	esac
 done
 
+# auto_update <file> <PREFIX>: lets the program update itself unless --no-auto-update was given
+auto_update() {
+	[ "$AUTOUP" = 1 ] && set_env "$1" "$2_AUTO_UPDATE" 1
+	return 0
+}
+
 say() { printf '\n== %s\n' "$*"; }
 die() { echo "error: $*" >&2; exit 1; }
 [ "$(id -u)" = 0 ] || die "run as root: sudo sh $0 $*"
@@ -123,6 +130,7 @@ case $MODE in
 hammerhead)
 	fetch_install hammerhead
 	ENVF=/etc/hammerhead/hammerhead.env
+	auto_update "$ENVF" HAMMERHEAD
 	if ! grep -q '^HAMMERHEAD_MASTER_KEY=.' "$ENVF"; then
 		say "generating the master key"
 		set_env "$ENVF" HAMMERHEAD_MASTER_KEY "$(/usr/local/bin/hammerhead -genkey)"
@@ -166,6 +174,7 @@ edge)
 	ENVF=/etc/blacktip/blacktip.env
 	set_env "$ENVF" BLACKTIP_HAMMERHEAD "$HH"
 	set_env "$ENVF" BLACKTIP_TOKEN "$TOKEN"
+	auto_update "$ENVF" BLACKTIP
 	chmod 600 "$ENVF"
 	say "network"
 	# WireGuard moves a lot of UDP; the stock socket buffers are small
@@ -202,6 +211,7 @@ agent)
 	ENVF=/etc/bamboo/bamboo.env
 	set_env "$ENVF" BAMBOO_HAMMERHEAD "$HH"
 	set_env "$ENVF" BAMBOO_TOKEN "$TOKEN"
+	auto_update "$ENVF" BAMBOO
 	chmod 600 "$ENVF"
 	if command -v docker > /dev/null 2>&1 && getent group docker > /dev/null 2>&1; then
 		usermod -aG docker bamboo