From e592a523114e3f2d02d61717e4cb9c514710c3db Mon Sep 17 00:00:00 2001
From: Thomas Eizinger <thomas@eizinger.io>
Date: Sun, 20 Oct 2024 21:12:09 +1100
Subject: [PATCH 1/2] Substitute reference to `elixir`

---
 pkgs/development/beam-modules/elixir-ls/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/beam-modules/elixir-ls/default.nix b/pkgs/development/beam-modules/elixir-ls/default.nix
index 8d4eba70cc00..cfda8d21a495 100644
--- a/pkgs/development/beam-modules/elixir-ls/default.nix
+++ b/pkgs/development/beam-modules/elixir-ls/default.nix
@@ -56,7 +56,8 @@ mixRelease {
     substituteInPlace $out/lib/launch.sh \
       --replace "ERL_LIBS=\"\$SCRIPTPATH:\$ERL_LIBS\"" \
                 "ERL_LIBS=$out/lib:\$ERL_LIBS" \
-      --replace "exec elixir" "exec ${elixir}/bin/elixir"
+      --replace "exec elixir" "exec ${elixir}/bin/elixir" \
+      --replace 'echo "" | elixir' "echo \"\" | ${elixir}/bin/elixir"
     runHook postInstall
   '';
 

From 435051f990d1cbf724a8973e6d8449f686cba18f Mon Sep 17 00:00:00 2001
From: Thomas Eizinger <thomas@eizinger.io>
Date: Sun, 20 Oct 2024 21:32:10 +1100
Subject: [PATCH 2/2] Also patch `zsh` launcher

---
 pkgs/development/beam-modules/elixir-ls/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/beam-modules/elixir-ls/default.nix b/pkgs/development/beam-modules/elixir-ls/default.nix
index cfda8d21a495..3bf8c57b7543 100644
--- a/pkgs/development/beam-modules/elixir-ls/default.nix
+++ b/pkgs/development/beam-modules/elixir-ls/default.nix
@@ -52,12 +52,14 @@ mixRelease {
     substitute release/debug_adapter.sh $out/bin/elixir-debug-adapter \
       --replace 'exec "''${dir}/launch.sh"' "exec $out/lib/launch.sh"
     chmod +x $out/bin/elixir-debug-adapter
-    # prepare the launcher
+    # prepare the launchers
     substituteInPlace $out/lib/launch.sh \
       --replace "ERL_LIBS=\"\$SCRIPTPATH:\$ERL_LIBS\"" \
                 "ERL_LIBS=$out/lib:\$ERL_LIBS" \
       --replace "exec elixir" "exec ${elixir}/bin/elixir" \
       --replace 'echo "" | elixir' "echo \"\" | ${elixir}/bin/elixir"
+    substituteInPlace $out/lib/exec.zsh \
+      --replace "exec elixir" "exec ${elixir}/bin/elixir"
     runHook postInstall
   '';