modularise lenovo?

1 files changed, 73 insertions, 0 deletions

diff --git a/machines/lenovo.nix b/machines/lenovo.nix
new file mode 100644
index 0000000..15f0ab3
--- /dev/null
+++ b/machines/lenovo.nix
@@ -0,0 +1,73 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [(modulesPath + "/installer/scan/not-detected.nix")];
+  boot.initrd.availableKernelModules = ["xhci_pci" "nvme" "sdhci_pci"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-intel"];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/5455cfb4-0efd-4f55-b496-d2cab3f419b7";
+    fsType = "btrfs";
+    options = ["subvol=root"];
+  };
+
+  boot.initrd.postResumeCommands = lib.mkAfter ''
+    mkdir /btrfs_tmp
+    mount ${config.fileSystems."/".device} /btrfs_tmp
+    if [[ -e /btrfs_tmp/root ]]; then
+      mkdir -p /btrfs_tmp/old_roots
+      timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:$M:%S")
+      mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+    fi
+
+    delete_subvolume_recursively() {
+      IFS=$'\n'
+      for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
+        delete_subvolume_recursively "/btrfs_tmp/$i"
+      done
+      btrfs subvolume delete "$1"
+    }
+
+    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
+      delete_subvolume_recursively "$i"
+    done
+
+    btrfs subvolume create /btrfs_tmp/root
+    mkdir /btrfs_tmp/root/persist
+    mkdir /btrfs_tmp/root/etc
+    mount ${config.fileSystems."/persist".device} /btrfs_tmp/root/persist
+    cp /btrfs_tmp/root/persist/etc/ssh /btrfs_tmp/root/etc/ssh -r
+    umount /btrfs_tmp/root/persist
+    rm -r /btrfs_tmp/root/persist
+    umount /btrfs_tmp
+  '';
+
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/0e586651-36f4-42b0-99b3-3f0704a894d6";
+    fsType = "btrfs";
+  };
+
+  fileSystems."/persist" = {
+    device = "/dev/disk/by-uuid/5455cfb4-0efd-4f55-b496-d2cab3f419b7";
+    fsType = "btrfs";
+    options = ["subvol=persist"];
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/F425-55BA";
+    fsType = "vfat";
+    options = ["fmask=0022" "dmask=0022"];
+  };
+
+  swapDevices = [];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  system.stateVersion = "26.05";
+}