unified info fetching script

fetch-info

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -o errexit
+
+user=root
+
+. hosts.sh
+
+rm -rf modules packages units
+mkdir -p modules packages units
+
+for host in ${hosts_all[@]}; do
+    (
+        ssh root@$host lsmod | sort > modules/$host
+        ssh root@$host pacman -Qqe > packages/$host
+        ssh root@$host systemctl list-unit-files --state=enabled --state=disabled --state=masked | sort > units/$host
+    ) &
+done
+
+wait