diff --git a/modules/scripts/clone.nix b/modules/scripts/clone.nix
index e254874c..36d1574d 100644
--- a/modules/scripts/clone.nix
+++ b/modules/scripts/clone.nix
@@ -1,42 +1,53 @@
+{ withSystem, ... }:
+
 {
+  perSystem =
+    psArgs@{ pkgs, ... }:
+    {
+      packages.clone = pkgs.writeShellApplication {
+        name = "clone";
+
+        runtimeInputs = with pkgs; [
+          git
+          psArgs.config.packages.tmux-sessionizer
+        ];
+
+        text = ''
+          repo_url="$1"
+          repo_url="''${repo_url%.git}"
+
+          if [[ "$repo_url" =~ ^(git@|https://|ssh://forgejo@)?([^:/]+)[:/](.*)/(.*)$ ]]; then
+            domain="''${BASH_REMATCH[2]}"
+
+            if [[ "$domain" == "ssh.oliverdavies.uk" ]]; then
+              domain="code.oliverdavies.uk"
+            fi
+
+            user="''${BASH_REMATCH[3]}"
+            name="''${BASH_REMATCH[4]}"
+
+            user_path="$XDG_REPOS_DIR/$domain/$user"
+            repo_path="$user_path/$name"
+
+            [[ -d "$repo_path" ]] && tmux-sessionizer "$repo_path" && exit 0
+
+            mkdir -pv "$repo_path"
+
+            git clone "$repo_url" "$repo_path"
+
+            tmux-sessionizer "$repo_path"
+          else
+            exit 1
+          fi
+        '';
+      };
+    };
+
   flake.modules.homeManager.base =
     { pkgs, ... }:
     {
       home.packages = [
-        (pkgs.writeShellApplication {
-          name = "clone";
-
-          runtimeInputs = with pkgs; [ git ];
-
-          text = ''
-            repo_url="$1"
-            repo_url="''${repo_url%.git}"
-
-            if [[ "$repo_url" =~ ^(git@|https://|ssh://forgejo@)?([^:/]+)[:/](.*)/(.*)$ ]]; then
-              domain="''${BASH_REMATCH[2]}"
-
-              if [[ "$domain" == "ssh.oliverdavies.uk" ]]; then
-                domain="code.oliverdavies.uk"
-              fi
-
-              user="''${BASH_REMATCH[3]}"
-              name="''${BASH_REMATCH[4]}"
-
-              user_path="$XDG_REPOS_DIR/$domain/$user"
-              repo_path="$user_path/$name"
-
-              [[ -d "$repo_path" ]] && tmux-sessionizer "$repo_path" && exit 0
-
-              mkdir -pv "$repo_path"
-
-              git clone "$repo_url" "$repo_path"
-
-              tmux-sessionizer "$repo_path"
-            else
-              exit 1
-            fi
-          '';
-        })
+        (withSystem pkgs.system (psArgs: psArgs.config.packages.clone))
       ];
     };
 }
diff --git a/modules/scripts/tmux-sessionizer/package.nix b/modules/scripts/tmux-sessionizer/package.nix
index 1c92402b..7c0cfb9c 100644
--- a/modules/scripts/tmux-sessionizer/package.nix
+++ b/modules/scripts/tmux-sessionizer/package.nix
@@ -1,77 +1,89 @@
+{ withSystem, ... }:
+
 {
+  perSystem =
+    { pkgs, ... }:
+    {
+      packages.tmux-sessionizer = pkgs.writeShellApplication {
+        name = "tmux-sessionizer";
+
+        runtimeInputs = with pkgs; [
+          coreutils
+          fzf
+          tmux
+        ];
+
+        text = ''
+          set -euo pipefail
+
+          # Based on https://github.com/jessarcher/dotfiles/blob/master/scripts/t
+          # and https://github.com/ThePrimeagen/tmux-sessionizer.
+
+          has_session() {
+            tmux list-sessions | grep -q "^$1:"
+          }
+
+          hydrate() {
+            if [ -f "$2/.tmux-sessionizer" ]; then
+              tmux send-keys -t "$1" "source $2/.tmux-sessionizer" c-M
+            elif [ -f "$HOME/.tmux-sessionizer" ]; then
+              tmux send-keys -t "$1" "source $HOME/.tmux-sessionizer" c-M
+            fi
+          }
+
+          is_tmux_running() {
+            tmux_running=$(pgrep tmux)
+
+            if [[ -z ''${TMUX:-} ]] && [[ -z $tmux_running ]]; then
+              return 1
+            fi
+
+            return 0
+          }
+
+          switch_to() {
+            tmux attach-session -t "$1" || tmux switch-client -t "$1"
+          }
+
+          if [[ $# -eq 1 ]]; then
+            selected=$1
+          else
+            items=$(
+              find "$HOME/Code" -maxdepth 3 -mindepth 1 -type d
+              find "$HOME/Documents" -maxdepth 1 -mindepth 1 -type d
+              find "$HOME/tmp" -maxdepth 1 -type d
+            )
+
+            selected=$(echo "$items" | sed "s|^$HOME/||" | sort | fzf)
+            [[ $selected ]] && selected="$HOME/$selected"
+          fi
+
+          if [[ -z $selected ]]; then
+            exit 0
+          fi
+
+          selected_name=$(basename "$selected" | tr . _)
+
+          if ! is_tmux_running; then
+            tmux new-session -ds "$selected_name" -c "$selected"
+            hydrate "$selected_name" "$selected"
+          fi
+
+          if ! has_session "$selected_name"; then
+            tmux new-session -ds "$selected_name" -c "$selected"
+            hydrate "$selected_name" "$selected"
+          fi
+
+          switch_to "$selected_name"
+        '';
+      };
+    };
+
   flake.modules.homeManager.base =
     { pkgs, ... }:
     {
       home.packages = [
-        (pkgs.writeShellApplication {
-          name = "tmux-sessionizer";
-
-          runtimeInputs = with pkgs; [ coreutils fzf tmux ];
-
-          text = ''
-            set -euo pipefail
-
-            # Based on https://github.com/jessarcher/dotfiles/blob/master/scripts/t
-            # and https://github.com/ThePrimeagen/tmux-sessionizer.
-
-            has_session() {
-              tmux list-sessions | grep -q "^$1:"
-            }
-
-            hydrate() {
-              if [ -f "$2/.tmux-sessionizer" ]; then
-                tmux send-keys -t "$1" "source $2/.tmux-sessionizer" c-M
-              elif [ -f "$HOME/.tmux-sessionizer" ]; then
-                tmux send-keys -t "$1" "source $HOME/.tmux-sessionizer" c-M
-              fi
-            }
-
-            is_tmux_running() {
-              tmux_running=$(pgrep tmux)
-
-              if [[ -z ''${TMUX:-} ]] && [[ -z $tmux_running ]]; then
-                return 1
-              fi
-
-              return 0
-            }
-
-            switch_to() {
-              tmux attach-session -t "$1" || tmux switch-client -t "$1"
-            }
-
-            if [[ $# -eq 1 ]]; then
-              selected=$1
-            else
-              items=$(
-                find "$HOME/Code" -maxdepth 3 -mindepth 1 -type d
-                find "$HOME/Documents" -maxdepth 1 -mindepth 1 -type d
-                find "$HOME/tmp" -maxdepth 1 -type d
-              )
-
-              selected=$(echo "$items" | sed "s|^$HOME/||" | sort | fzf)
-              [[ $selected ]] && selected="$HOME/$selected"
-            fi
-
-            if [[ -z $selected ]]; then
-              exit 0
-            fi
-
-            selected_name=$(basename "$selected" | tr . _)
-
-            if ! is_tmux_running; then
-              tmux new-session -ds "$selected_name" -c "$selected"
-              hydrate "$selected_name" "$selected"
-            fi
-
-            if ! has_session "$selected_name"; then
-              tmux new-session -ds "$selected_name" -c "$selected"
-              hydrate "$selected_name" "$selected"
-            fi
-
-            switch_to "$selected_name"
-          '';
-        })
+        (withSystem pkgs.system (psArgs: psArgs.config.packages.tmux-sessionizer))
       ];
     };
 }