gtk: use one clean-immodules-cache setup-hook

Use one hook with substituteAll instead
of duplicating the hook for every version.

pkgs/development/libraries/gtk/2.x.nix

@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchurl, pkg-config, gettext, glib, atk, pango, cairo, perl, xorg
+{ config, lib, substituteAll, stdenv, fetchurl, pkg-config, gettext, glib, atk, pango, cairo, perl, xorg
 , gdk-pixbuf, xlibsWrapper, gobject-introspection
 , xineramaSupport ? stdenv.isLinux
 , cupsSupport ? config.gtk2.cups or stdenv.isLinux, cups ? null
@@ -12,6 +12,16 @@ assert cupsSupport -> cups != null;
 
 with lib;
 
+let
+
+  gtkCleanImmodulesCache = substituteAll {
+    src = ./hooks/clean-immodules-cache.sh;
+    gtk_module_path = "gtk-2.0";
+    gtk_binary_version = "2.10.0";
+  };
+
+in
+
 stdenv.mkDerivation rec {
   pname = "gtk+";
   version = "2.24.32";
@@ -27,8 +37,8 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   setupHooks =  [
-    ./hooks/gtk2-clean-immodules-cache.sh
     ./hooks/drop-icon-theme-cache.sh
+    gtkCleanImmodulesCache
   ];
 
   nativeBuildInputs = setupHooks ++ [ perl pkg-config gettext gobject-introspection ];

pkgs/development/libraries/gtk/3.x.nix

@@ -1,4 +1,6 @@
-{ lib, stdenv
+{ lib
+, stdenv
+, substituteAll
 , fetchurl
 , fetchpatch
 , pkg-config
@@ -48,6 +50,16 @@
 
 assert cupsSupport -> cups != null;
 
+let
+
+  gtkCleanImmodulesCache = substituteAll {
+    src = ./hooks/clean-immodules-cache.sh;
+    gtk_module_path = "gtk-3.0";
+    gtk_binary_version = "3.0.0";
+  };
+
+in
+
 stdenv.mkDerivation rec {
   pname = "gtk+3";
   version = "3.24.24";
@@ -56,8 +68,8 @@ stdenv.mkDerivation rec {
   outputBin = "dev";
 
   setupHooks = [
-    ./hooks/gtk3-clean-immodules-cache.sh
     ./hooks/drop-icon-theme-cache.sh
+    gtkCleanImmodulesCache
   ];
 
   src = fetchurl {

pkgs/development/libraries/gtk/4.x.nix

@@ -1,5 +1,6 @@
 { lib
 , stdenv
+, substituteAll
 , fetchurl
 , pkg-config
 , gettext
@@ -53,6 +54,16 @@
 
 assert cupsSupport -> cups != null;
 
+let
+
+  gtkCleanImmodulesCache = substituteAll {
+    src = ./hooks/clean-immodules-cache.sh;
+    gtk_module_path = "gtk-4.0";
+    gtk_binary_version = "4.0.0";
+  };
+
+in
+
 stdenv.mkDerivation rec {
   pname = "gtk4";
   version = "4.0.3";
@@ -61,8 +72,8 @@ stdenv.mkDerivation rec {
   outputBin = "dev";
 
   setupHooks = [
-    ./hooks/gtk4-clean-immodules-cache.sh
     ./hooks/drop-icon-theme-cache.sh
+    gtkCleanImmodulesCache
   ];
 
   src = fetchurl {

pkgs/development/libraries/gtk/hooks/clean-immodules-cache.sh

@@ -0,0 +1,15 @@
+# shellcheck shell=bash
+
+fixupOutputHooks+=(_gtkCleanImmodulesCache)
+
+# Clean comments that link to generator of the file
+_gtkCleanImmodulesCache() {
+    # gtk_module_path is where the modules are installed
+    # https://gitlab.gnome.org/GNOME/gtk/-/blob/3.24.24/gtk/gtkmodules.c#L68
+    # gtk_binary_version can be retrived with:
+    # pkg-config --variable=gtk_binary_version gtk+-3.0
+    local f="${prefix:?}/lib/@gtk_module_path@/@gtk_binary_version@/immodules.cache"
+    if [ -f "$f" ]; then
+        sed 's|Created by .*bin/gtk-query-|Created by bin/gtk-query-|' -i "$f"
+    fi
+}

pkgs/development/libraries/gtk/hooks/gtk2-clean-immodules-cache.sh

@@ -1,12 +0,0 @@
-# shellcheck shell=bash
-
-fixupOutputHooks+=(_gtk2CleanComments)
-
-# Clean comments that link to generator of the file
-_gtk2CleanComments() {
-    local f="${prefix:?}/lib/gtk-2.0/2.10.0/immodules.cache"
-    if [ -f "$f" ]; then
-        sed 's|Created by .*bin/gtk-query-|Created by bin/gtk-query-|' -i "$f"
-    fi
-}
-

pkgs/development/libraries/gtk/hooks/gtk3-clean-immodules-cache.sh

@@ -1,11 +0,0 @@
-# shellcheck shell=bash
-
-fixupOutputHooks+=(_gtk3CleanComments)
-
-# Clean comments that link to generator of the file
-_gtk3CleanComments() {
-    local f="${prefix:?}/lib/gtk-3.0/3.0.0/immodules.cache"
-    if [ -f "$f" ]; then
-        sed 's|Created by .*bin/gtk-query-|Created by bin/gtk-query-|' -i "$f"
-    fi
-}

pkgs/development/libraries/gtk/hooks/gtk4-clean-immodules-cache.sh

@@ -1,11 +0,0 @@
-# shellcheck shell=bash
-
-fixupOutputHooks+=(_gtk4CleanComments)
-
-# Clean comments that link to generator of the file
-_gtk4CleanComments() {
-    local f="${prefix:?}/lib/gtk-4.0/4.0.0/immodules.cache"
-    if [ -f "$f" ]; then
-        sed 's|Created by .*bin/gtk-query-|Created by bin/gtk-query-|' -i "$f"
-    fi
-}