Fix Samba permissions

nixos/hosts/eidola/mounts.nix

@@ -12,6 +12,7 @@
       "/var/db/sudo"
 
       "/etc/zfs"
+      "/var/lib/samba"
     ];
     files = [
       "/etc/machine-id"

nixos/hosts/eidola/samba.nix

@@ -1,12 +1,20 @@
 {...}: {
   users = {
-    users.min = {
-      isSystemUser = true;
-      group = "samba";
+    users = let
+      shareUser = {
+        isSystemUser = true;
+        group = "share";
+      };
+    in {
+      min = shareUser;
     };
-    groups."samba" = {};
+    groups."share" = {};
   };
 
+  systemd.tmpfiles.rules = [
+    "d /terra/terrarium 0775 root share - -"
+  ];
+
   services.samba = {
     enable = true;
     openFirewall = true;
@@ -17,17 +25,17 @@
       browseable = yes
       smb encrypt = required
 
-      valid users = @samba
+      valid users = @share
     '';
 
     shares = {
-      terra = {
-        "path" = "/terra";
+      terrarium = {
+        "path" = "/terra/terrarium";
         "browseable" = "yes";
         "read only" = "no";
         "guest ok" = "no";
-        "create mask" = "0644";
-        "directory mask" = "0755";
+        "create mask" = "0664";
+        "directory mask" = "0775";
       };
     };
   };