vimPlugins.aider-nvim: fix patch

pkgs/applications/editors/vim/plugins/overrides.nix

@@ -10,6 +10,7 @@
   fetchpatch,
   fetchurl,
   neovimUtils,
+  replaceVars,
   substituteAll,
   # Language dependencies
   fetchYarnDeps,
@@ -2593,13 +2594,9 @@ in
   };
 
   aider-nvim = super.aider-nvim.overrideAttrs {
-    patches = [ ./patches/aider.nvim/fix-paths.patch ];
-
-    postPatch = ''
-      substituteInPlace lua/aider.lua --replace-fail '@aider@' ${aider-chat}/bin/aider
-      substituteInPlace lua/helpers.lua --replace-fail '@aider@' ${aider-chat}/bin/aider
-    '';
-    nvimRequireCheck = "aider";
+    patches = [
+      (replaceVars ./patches/aider-nvim/bin.patch { aider = lib.getExe' aider-chat "aider"; })
+    ];
   };
 
   refactoring-nvim = super.refactoring-nvim.overrideAttrs {

pkgs/applications/editors/vim/plugins/patches/aider-nvim/bin.patch

@@ -0,0 +1,15 @@
+diff --git a/lua/aider.lua b/lua/aider.lua
+index 98b5071..589b06d 100644
+--- a/lua/aider.lua
++++ b/lua/aider.lua
+@@ -61,9 +61,9 @@ function M.AiderOpen(args, window_type)
+     log("Existing aider buffer found, opening in new window")
+     helpers.open_buffer_in_new_window(window_type, M.aider_buf)
+   else
+     log("No existing aider buffer, creating new one")
+-    local command = "aider " .. (args or "")
++    local command = "@aider@ " .. (args or "")
+     log("Opening window with type: " .. window_type)
+     helpers.open_window(window_type)
+     log("Adding buffers to command")
+     command = helpers.add_buffers_to_command(command, is_valid_buffer)

pkgs/applications/editors/vim/plugins/patches/aider.nvim/fix-paths.patch

@@ -1,26 +0,0 @@
-diff --git a/lua/aider.lua b/lua/aider.lua
-index 38db0d1..d1ad6d5 100644
---- a/lua/aider.lua
-+++ b/lua/aider.lua
-@@ -26,7 +26,7 @@ function M.AiderOpen(args, window_type)
-   if M.aider_buf and vim.api.nvim_buf_is_valid(M.aider_buf) then
-     helpers.open_buffer_in_new_window(window_type, M.aider_buf)
-   else
--    command = 'aider ' .. (args or '')
-+    command = '@aider@ ' .. (args or '')
-     helpers.open_window(window_type)
-     command = helpers.add_buffers_to_command(command)
-     M.aider_job_id = vim.fn.termopen(command, {on_exit = OnExit})
-diff --git a/lua/helpers.lua b/lua/helpers.lua
-index 152182b..aa21584 100644
---- a/lua/helpers.lua
-+++ b/lua/helpers.lua
-@@ -63,7 +63,7 @@ end
- 
- local function build_background_command(args, prompt)
-   prompt = prompt or "Complete as many todo items as you can and remove the comment for any item you complete."
--  local command = 'aider --msg "' .. prompt .. '" ' .. (args or '')
-+  local command = '@aider@ --msg "' .. prompt .. '" ' .. (args or '')
-   command = add_buffers_to_command(command)
-   return command
- end