lib/wrapModule: add preHook and patchHook

README.md

@@ -146,7 +146,7 @@ Arguments:
   - Example: `["bin/*", "lib/*.sh"]` to replace original package paths with wrapped package paths
   - Desktop files are patched by default to update Exec= and Icon= paths
 - `filesToExclude`: List of file paths (glob patterns) to exclude from the wrapped package (default: `[]`)
-- `patchHook`: Shell script that runs after patchPhase to modify the wrapper package files
+- `patchHook`: Shell script that runs after patchPhase to modify the wrapper package files (default: `""`)
 - `wrapper`: Custom wrapper function (optional, overrides default exec wrapper)
 
 The function:
@@ -171,9 +171,11 @@ Built-in options (always available):
 - `flagSeparator`: Separator between flag name and value (default: `" "`)
 - `args`: Command-line arguments list (auto-generated from `flags` if not provided)
 - `env`: Environment variables
+- `preHook`: Shell script executed before the command (default: `""`)
 - `passthru`: Additional passthru attributes
 - `filesToPatch`: List of file paths (glob patterns) to patch for self-references (default: `["share/applications/*.desktop"]`)
 - `filesToExclude`: List of file paths (glob patterns) to exclude from the wrapped package (default: `[]`)
+- `patchHook`: Shell script that runs after patchPhase to modify the wrapper package files (default `""`)
 - `wrapper`: The resulting wrapped package (read-only, auto-generated from other options)
 - `apply`: Function to extend the configuration with additional modules (read-only)
 

lib/default.nix

@@ -384,7 +384,7 @@ let
     - `aliases`: List of additional names to symlink to the wrapped executable (optional)
     - `filesToPatch`: List of file paths (glob patterns) to patch for self-references (optional, defaults to ["share/applications/*.desktop"])
     - `filesToExclude`: List of file paths (glob patterns) to exclude from the wrapped package (optional, defaults to [])
-    - `patchHook`: Shell script that runs after patchPhase to modify the wrapper package files
+    - `patchHook`: Shell script that runs after patchPhase to modify the wrapper package files (optional)
     - `wrapper`: Custom wrapper function (optional, defaults to exec'ing the original binary with args)
       - Called with { env, flags, args, envString, flagsString, exePath, preHook }
 

lib/modules/wrapper.nix

@@ -85,6 +85,20 @@
       Example: [ "bin/unwanted-tool" "share/applications/*.desktop" ]
     '';
   };
+  options.patchHook = lib.mkOption {
+    type = lib.types.str;
+    default = "";
+    description = ''
+      Shell script that runs after patchPhase to modify the wrapper package files.
+    '';
+  };
+  options.preHook = lib.mkOption {
+    type = lib.types.str;
+    default = "";
+    description = ''
+      Shell script to run before executing the command.
+    '';
+  };
   options.exePath = lib.mkOption {
     type = lib.types.path;
     description = ''
@@ -123,6 +137,8 @@
       env = config.env;
       filesToPatch = config.filesToPatch;
       filesToExclude = config.filesToExclude;
+      preHook = config.preHook;
+      patchHook = config.patchHook;
       passthru = {
         configuration = config;
       }