3 files changed, 26 insertions, 10 deletions

diff --git a/README.md b/README.md
index b666424..2c6fcab 100644
--- a/README.md
+++ b/README.md
@@ -45,23 +45,29 @@ inputs.home-manager.lib.homeManagerConfiguration {
 ```nix
 {
   programs.rui = {
-    enable = true;
+    enable = true; # Defaults to false
 
     settings = {
-      # Status notifications via `notify-send`
+      # Status notifications via `notify-send`; defaults to false
       notify = true;
 
-      # The command to use for sending notifications, view a cool example below!
+      # The command to use for sending notifications, view a cool example below;
+      # defaults to `notify-send`
       notifier = "notify-send";
 
       # Rui falls back on the `FLAKE_EDITOR` and `EDITOR` environment variables
+      # if `editor` is unset
       editor = "code";
 
-      # Rui falls back on the `FLAKE` environment variable
+      # Rui falls back on the `FLAKE` environment variable if `flake` is unset
       flake = "/path/to/your-flake";
 
-      # Allow unfree packages
+      # Allow unfree packages; defaults to false
       allow-unfree = false;
+
+      # Extra arguments to pass to `nixos-rebuild` and `home-manager`; defaults
+      # to [ ]
+      extra-args = [ "--impure" ];
     };
   };
 }
diff --git a/flake.nix b/flake.nix
index ddf3288..e9b1e25 100644
--- a/flake.nix
+++ b/flake.nix
@@ -119,6 +119,11 @@
                   type = types.bool;
                   default = false;
                 };
+
+                extra-args = mkOption {
+                  type = types.listOf types.str;
+                  default = [ ];
+                };
               };
             };
 
diff --git a/rui.go b/rui.go
index c76870e..2f06d43 100644
--- a/rui.go
+++ b/rui.go
@@ -11,11 +11,12 @@ import (
 )
 
 type Configuration struct {
-	Notify      bool   `json:"notify"`
-	Editor      string `json:"editor"`
-	Flake       string `json:"flake"`
-	Notifier    string `json:"notifier"`
-	AllowUnfree bool   `json:"allow-unfree"`
+	Notify      bool     `json:"notify"`
+	Editor      string   `json:"editor"`
+	Flake       string   `json:"flake"`
+	Notifier    string   `json:"notifier"`
+	AllowUnfree bool     `json:"allow-unfree"`
+	ExtraArgs   []string `json:"extra-args"`
 }
 
 type ActionDetails struct {
@@ -160,6 +161,8 @@ func main() {
 							flake := configuration.Flake
 							extraArgs := c.Args().Slice()
 
+							extraArgs = append(extraArgs, configuration.ExtraArgs...)
+
 							if flake == "" {
 								flake = os.Getenv("FLAKE")
 							}
@@ -329,6 +332,8 @@ func home(c *cli.Context, action int) error {
 	extraArgs := c.Args().Slice()
 	name, verb, usableWithNH := actionDetails(action)
 
+	extraArgs = append(extraArgs, configuration.ExtraArgs...)
+
 	if err := notify("Queued home " + name); err != nil {
 		return err
 	}