[fix] Add conditions for commands so they're less likely to fail

setup/so-functions

@@ -1410,27 +1410,37 @@ reserve_group_ids() {
 }
 
 reinstall_init() {
-	local minion_config=/etc/salt/minion
-
 	info "Putting system in state to run setup again"
-	info "Some commands may fail depending on whether setup previously succeeded"
 
 	{
-		# Remove startup_states from minion config so we don't immediately highstate when salt starts back up
-		sed -i '/startup_states/d' $minion_config
+		local minion_config=/etc/salt/minion
 		
+		# Remove startup_states from minion config so we don't immediately highstate when salt starts back up
+		if [[ -f $minion_config ]] && grep -q "startup_states" $minion_config; then
+			sed -i '/startup_states/d' $minion_config
+		fi
+
+		if command -v salt-call &> /dev/null; then
 			# Disable schedule so highstate doesn't start running during the install
 			salt-call -l info schedule.disable
 
 			# Kill any currently running salt jobs, also to prevent issues with highstate.
 			salt-call -l info saltutil.kill_all_jobs
+		fi
 
+		if command -v docker &> /dev/null; then
 			# Stop and remove all so-* containers so files can be changed with more safety
 			docker stop $(docker ps -a -q --filter "name=so-")
 			docker rm -f $(docker ps -a -q --filter "name=so-")
+		fi
+
+		local date_string
+		date_string=$(date +%s)
 
 		# Backup /opt/so since we'll be rebuilding this directory during setup
-		mv /opt/so "/opt/so_old_$(date +%s)"
+		if [[ -d /opt/so ]]; then
+			mv /opt/so "/opt/so_old_${date_string}"
+		fi
 
 		# Remove container data directories
 		rm -rf /nsm/mysql