fix: inconsistent hostnames

fixes #2

hosts/cl-00-00/system/disk-configuration.nix

@@ -0,0 +1,124 @@
+{ inputs
+, lib
+, ...
+}:
+
+{
+  imports = [
+    inputs.disko.nixosModules.disko
+  ];
+  
+  # !!! DANGER !!!
+  # You have to carefully configure your partitions here.
+  boot.initrd.postDeviceCommands = lib.mkAfter ''
+    mkdir /btrfs_tmp
+    mount /dev/disk/by-label/nixos /btrfs_tmp
+    
+    if [[ -e /btrfs_tmp/root ]]; then
+        mkdir -p /btrfs_tmp/roots.old
+        timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
+        mv /btrfs_tmp/root "/btrfs_tmp/roots.old/$timestamp"
+    fi
+
+    delete_subvolume_recursively() {
+        IFS=$'\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 $(find /btrfs_tmp/roots.old/ -maxdepth 1 -mtime +7); do
+        delete_subvolume_recursively "$i"
+    done
+
+    btrfs subvolume create /btrfs_tmp/root
+    umount /btrfs_tmp
+  '';
+
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            boot = {
+              name = "boot";
+              size = "1M";
+              type = "EF02";
+              priority = 1;
+            };
+            esp = {
+              name = "ESP";
+              end = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "btrfs";
+                extraArgs = [ "-L" "nixos" "-f" ]; # Override existing partition
+                # Subvolumes must set a mountpoint in order to be mounted,
+                # unless their parent is mounted
+                subvolumes = {
+                  "/root" = {
+                    mountpoint = "/";
+                    mountOptions = [ "subvol=root" "compress=zstd" "noatime" ];
+                  };
+                  "/home" = {
+                    mountpoint = "/home";
+                    mountOptions = [ "subvol=home" "compress=zstd" "noatime" ];
+                  };
+                  "/nix" = {
+                    mountpoint = "/nix";
+                    mountOptions = [ "subvol=nix" "compress=zstd" "noatime" ];
+                  };
+                  "/persist" = {
+                    mountpoint = "/persist";
+                    mountOptions = [ "subvol=persist" "compress=zstd" "noatime" ];
+                  };
+                  "/var-lib" = {
+                    mountpoint = "/var/lib";
+                    mountOptions = [ "subvol=var-lib" "compress=zstd" "noatime" ];
+                  };
+                  "/var-log" = {
+                    mountpoint = "/var/log";
+                    mountOptions = [ "subvol=var-log" "compress=zstd" "noatime" ];
+                  };
+                  "/var-tmp" = {
+                    mountpoint = "/var/tmp";
+                    mountOptions = [ "subvol=var-tmp" "compress=zstd" "noatime" ];
+                  };
+                  "/swap" = {
+                    mountpoint = "/.swap";
+                    swap.swapfile.size = "4G";
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+
+  fileSystems = {
+    # /, /nix/, /nix/store, /var, /var/log, /var/lib, /var/lib/nixos, /etc, /usr
+    # are all automatically mounted marked as needed for boot.
+
+    "/boot".neededForBoot = true;
+    
+    "/persist".neededForBoot = true;
+
+    # Possibly not required
+    "/home".neededForBoot = true;
+  };
+}