Add filesystem.nix

filesystem.nix

@@ -0,0 +1,92 @@
+{ config, lib, pkgs, ... }:
+
+let
+  username = "brian";
+  uid = 1000;
+  gid = 100;
+
+  secrets = import ./secrets.nix;
+
+  networkShares = [
+    {
+      name = "seagate8tb";
+      device = "//10.0.0.128/PublicShare";
+      mountPoint = "/mnt/smb-seagate8tb";
+    }
+    {
+      name = "wd4tb";
+      device = "//10.0.0.65/wd4tb";
+      mountPoint = "/mnt/smb-wd4tb";
+    }
+    {
+      name = "stashapp";
+      device = "//10.0.0.65/stashapp";
+      mountPoint = "/mnt/smb-app";
+    }
+
+  ];
+
+  networkFileSystems = builtins.listToAttrs (map (share: {
+    name = share.mountPoint;
+    value = {
+      device = share.device;
+      fsType = "cifs";
+      options = [
+        "username=${secrets."${share.name}Username"}"
+        "password=${secrets."${share.name}Password"}"
+        "uid=1000"
+        "gid=1000"
+        "file_mode=0775"
+        "dir_mode=0775"
+      ];
+    };
+  }) networkShares);
+in
+{
+  # Only add network shares and NVMe
+  # Root and boot are already in hardware-configuration.nix
+  fileSystems = networkFileSystems // {
+    # Your new NVMe drive ONLY
+    "/mnt/nvme" = {
+      device = "/dev/disk/by-label/nvmedrive";
+      fsType = "ext4";
+      options = [ 
+        "defaults"
+        "noatime"
+        "discard"
+        "uid=${toString uid}"
+        "gid=${toString gid}"
+        "fmask=022"
+        "dmask=022"
+      ];
+    };
+  };
+
+  systemd.services.fix-nvme-permissions = {
+    description = "Fix NVMe drive permissions";
+    wantedBy = [ "multi-user.target" ];
+    after = [ "local-fs.target" ];
+    script = ''
+      # Set ownership
+      chown -R ${username}:users /mnt/nvme 2>/dev/null || true
+      # Create game directories
+      mkdir -p /mnt/nvme/games/steam
+      chown -R ${username}:users /mnt/nvme/games
+      # Set permissions
+      chmod -R 775 /mnt/nvme 2>/dev/null || true
+    '';
+    serviceConfig.Type = "oneshot";    
+  };
+
+  # Create symlinks in home directory for easy access
+  systemd.tmpfiles.rules =
+    (map (share:
+      "L+ /home/${username}/${share.name} - - - - ${share.mountPoint}"
+    ) networkShares)
+    ++
+    [ 
+      "L+ /home/${username}/nvme - - - - /mnt/nvme"
+      "d /mnt/nvme/games 0775 ${username} users -"
+      "d /mnt/nvme/games/steam 0775 ${username} users -"
+    ];
+}