From 2bf27860a05787cff0f43675761310bf6f04ec9a Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Wed, 15 May 2024 16:02:43 +0300
Subject: [PATCH] octave.buildEnv: fix Exec= line in .desktop file

Fixes #311926.
---
 pkgs/development/interpreters/octave/build-env.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/interpreters/octave/build-env.nix b/pkgs/development/interpreters/octave/build-env.nix
index 59575f95fc4b..e7da04b38144 100644
--- a/pkgs/development/interpreters/octave/build-env.nix
+++ b/pkgs/development/interpreters/octave/build-env.nix
@@ -63,6 +63,14 @@ in buildEnv {
       addPkgLocalList $out ${octave}
 
       wrapOctavePrograms "${lib.concatStringsSep " " packages}"
+      # We also need to modify the Exec= line of the desktop file, so it will point
+      # to the wrapper we generated above.
+      rm $out/share/applications # should be a symlink to ${octave}/share/applications
+      mkdir $out/share/applications
+      substitute \
+        ${octave}/share/applications/org.octave.Octave.desktop \
+        $out/share/applications/org.octave.Octave.desktop \
+        --replace-fail ${octave}/bin/octave $out/bin/octave
      '' + postBuild;
 
   inherit (octave) meta;