refactor: rename modules folder

configs/filesystems/impermanence.nix

@@ -0,0 +1,128 @@
+{
+  inputs,
+  lib,
+  bootDisk,
+  ...
+}:
+{
+  imports = [
+    inputs.disko.nixosModules.disko
+    inputs.impermanence.nixosModules.impermanence
+  ];
+  # Disk Partitioning
+  disko.devices.disk.main = {
+    device = bootDisk;
+    type = "disk";
+    content.type = "gpt";
+    content.partitions = {
+      boot = {
+        name = "boot";
+        type = "EF02";
+        size = "1M";
+        priority = 1;
+      };
+      esp = {
+        name = "ESP";
+        type = "EF00";
+        size = "500M";
+        content = {
+          type = "filesystem";
+          format = "vfat";
+          mountpoint = "/boot";
+          mountOptions = [ "umask=0077" ];
+        };
+      };
+      swap = {
+        size = "4G";
+        content = {
+          type = "swap";
+          resumeDevice = true;
+        };
+      };
+      root = {
+        name = "root";
+        size = "100%";
+        content = {
+          type = "lvm_pv";
+          vg = "root_vg";
+        };
+      };
+    };
+  };
+
+  # Logical Volume Set up
+  disko.devices.lvm_vg.root_vg = {
+    type = "lvm_vg";
+    lvs.root = {
+      size = "100%FREE";
+      content = {
+        type = "btrfs";
+        extraArgs = [ "-f" ];
+        subvolumes = {
+          "/root".mountpoint = "/";
+          "/persist".mountpoint = "/persist";
+          "/persist".mountOptions = [
+            "subvol=persist"
+            "noatime"
+          ];
+          "/nix".mountpoint = "/nix";
+          "/nix".mountOptions = [
+            "subvol=nix"
+            "noatime"
+          ];
+        };
+      };
+    };
+  };
+
+  # Back up old roots and delete older ones
+  boot.initrd.postDeviceCommands = lib.mkAfter ''
+    		mkdir /btrfs_tmp
+    		mount /dev/root_vg/root /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
+    		umount /btrfs_tmp
+    	'';
+
+  # Directories to persist between boots
+  programs.fuse.userAllowOther = true;
+  fileSystems."/persist".neededForBoot = true;
+  environment.persistence."/persist" = {
+    # Hide the mounts from showing up in the file manager.
+    hideMounts = true;
+    files = [
+      "/etc/ssh/ssh_host_ed25519_key"
+      "/etc/ssh/ssh_host_ed25519_key.pub"
+      "/etc/machine-id"
+    ];
+  };
+
+  home-manager.users.rafiq = {
+    imports = [ inputs.impermanence.homeManagerModules.impermanence ];
+    home.persistence."/persist/home/rafiq" = {
+      files = [
+        ".config/sops/age/keys.txt"
+        ".ssh/id_ed25519"
+      ];
+      # Allows root and other users to access the bindfs files.
+      allowOther = true;
+    };
+  };
+}