feat: add niveum-scripts

niveum-status

@@ -0,0 +1,20 @@
+#!/bin/sh
+version_file=/etc/niveum/version
+niveum_dir="$HOME/prog/git/niveum"
+
+machine_status () {
+  hostname="$1"
+
+  if commit_id="$(ssh "$hostname" cat $version_file 2>/dev/null)"; then
+    machine_status="$(git -C "$niveum_dir" log -1 --oneline "$commit_id")"
+  else
+    machine_status=offline
+  fi
+
+  printf "\033[1m%11s\033[0m %s\n" "$hostname" "$machine_status"
+}
+
+for system in "$niveum_dir"/systems/*; do
+  hostname="$(basename "$system")"
+  machine_status "$hostname"
+done