fix: add fixed time lock timeout on apt-get install/update

install.sh

@@ -498,13 +498,13 @@ do_install() {
 				if ! is_dry_run; then
 					set -x
 				fi
-				$sh_c 'apt-get update -qq >/dev/null'
-				$sh_c "DEBIAN_FRONTEND=noninteractive apt-get install -y -qq $pre_reqs >/dev/null"
+				$sh_c 'apt-get -o DPkg::Lock::Timeout=60 update -qq >/dev/null'
+				$sh_c "DEBIAN_FRONTEND=noninteractive apt-get -o DPkg::Lock::Timeout=60 install -y -qq $pre_reqs >/dev/null"
 				$sh_c 'install -m 0755 -d /etc/apt/keyrings'
 				$sh_c "curl -fsSL \"$DOWNLOAD_URL/linux/$lsb_dist/gpg\" -o /etc/apt/keyrings/docker.asc"
 				$sh_c "chmod a+r /etc/apt/keyrings/docker.asc"
 				$sh_c "echo \"$apt_repo\" > /etc/apt/sources.list.d/docker.list"
-				$sh_c 'apt-get update -qq >/dev/null'
+				$sh_c 'apt-get -o DPkg::Lock::Timeout=60 update -qq >/dev/null'
 			)
 			pkg_version=""
 			if [ -n "$VERSION" ]; then
@@ -546,7 +546,7 @@ do_install() {
 				if ! is_dry_run; then
 					set -x
 				fi
-				$sh_c "DEBIAN_FRONTEND=noninteractive apt-get install -y -qq $pkgs >/dev/null"
+				$sh_c "DEBIAN_FRONTEND=noninteractive apt-get -o DPkg::Lock::Timeout=60 install -y -qq $pkgs >/dev/null"
 			)
 			echo_docker_as_nonroot
 			exit 0

rootless-install.sh

@@ -127,8 +127,8 @@ checks() {
 
 	# uidmap dependency check
 	if ! command -v newuidmap >/dev/null 2>&1; then
-		if command -v apt-get >/dev/null 2>&1; then
-			INSTRUCTIONS="apt-get install -y uidmap"
+		if command -v apt-get -o DPkg::Lock::Timeout=60 >/dev/null 2>&1; then
+			INSTRUCTIONS="apt-get -o DPkg::Lock::Timeout=60 install -y uidmap"
 		elif command -v dnf >/dev/null 2>&1; then
 			INSTRUCTIONS="dnf install -y shadow-utils"
 		elif command -v yum >/dev/null 2>&1; then
@@ -142,9 +142,9 @@ yum install -y shadow-utils46-newxidmap"
 
 	# iptables dependency check
 	if [ -z "$SKIP_IPTABLES" ] && ! command -v iptables >/dev/null 2>&1 && [ ! -f /sbin/iptables ] && [ ! -f /usr/sbin/iptables ]; then
-		if command -v apt-get >/dev/null 2>&1; then
+		if command -v apt-get -o DPkg::Lock::Timeout=60 >/dev/null 2>&1; then
 			INSTRUCTIONS="${INSTRUCTIONS}
-apt-get install -y iptables"
+apt-get -o DPkg::Lock::Timeout=60 install -y iptables"
 		elif command -v dnf >/dev/null 2>&1; then
 			INSTRUCTIONS="${INSTRUCTIONS}
 dnf install -y iptables"