jetbrains.idea: add m2_home and m2 variable

pkgs/applications/editors/jetbrains/common.nix

@@ -3,7 +3,7 @@
 , vmopts ? null
 }:
 
-{ name, product, version, src, wmClass, jdk, meta, extraLdPath ? [] }@args:
+{ name, product, version, src, wmClass, jdk, meta, extraLdPath ? [], extraWrapperArgs ? [] }@args:
 
 with lib;
 
@@ -81,6 +81,7 @@ with stdenv; lib.makeOverridable mkDerivation rec {
         stdenv.cc.cc.lib libsecret e2fsprogs
         libnotify
       ] ++ extraLdPath)}" \
+      ${lib.concatStringsSep " " extraWrapperArgs} \
       --set JDK_HOME "$jdk" \
       --set ${hiName}_JDK "$jdk" \
       --set ANDROID_JAVA_HOME "$jdk" \

pkgs/applications/editors/jetbrains/default.nix

@@ -1,6 +1,7 @@
 { lib, stdenv, callPackage, fetchurl
 , jdk, cmake, zlib, python3
 , dotnet-sdk_5
+, maven
 , autoPatchelfHook
 , libdbusmenu
 , vmopts ? null
@@ -98,6 +99,10 @@ let
       inherit name version src wmClass jdk;
       product = "IDEA";
       extraLdPath = [ zlib ];
+      extraWrapperArgs = [
+        ''--set M2_HOME "${maven}/maven"''
+        ''--set M2 "${maven}/maven/bin"''
+      ];
       meta = with lib; {
         homepage = "https://www.jetbrains.com/idea/";
         inherit description license;