kakoune-lsp: use replaceVars

pkgs/by-name/ka/kakoune-lsp/Hardcode-perl.patch

@@ -21,13 +21,13 @@ index b173478..015c3ca 100644
 -        fi
          echo >$kak_command_fifo "echo -to-file $kak_response_fifo -quoting kakoune -- %reg{a}"
 -        perl < $kak_response_fifo -we '
-+        @perl@ < $kak_response_fifo -we '
++        @perl@/bin/perl < $kak_response_fifo -we '
              use strict;
              my $Q = "'\''";
              my @args = ();
 @@ -2410,11 +2406,6 @@ define-command -hidden lsp-snippets-insert-completion -params 1 %{ evaluate-comm
  }}
- 
+
  define-command lsp-snippets-insert -hidden -params 1 %[
 -    evaluate-commands %sh{
 -        if ! command -v perl > /dev/null; then
@@ -42,10 +42,10 @@ index b173478..015c3ca 100644
      set-register x nop
      evaluate-commands %sh[ # $kak_quoted_selections
 -        perl -e '
-+        @perl@ -e '
++        @perl@/bin/perl -e '
  use strict;
  use warnings;
  use Text::ParseWords();
--- 
+--
 2.44.0
 

pkgs/by-name/ka/kakoune-lsp/package.nix

@@ -2,7 +2,7 @@
   lib,
   rustPlatform,
   fetchFromGitHub,
-  substituteAll,
+  replaceVars,
   perl,
   stdenv,
   CoreServices,
@@ -21,12 +21,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "sha256-uXKquAjfytUn/Q0kx+0BGRQTkVMQ9rMRnTCy622upag=";
   };
 
-  patches = [
-    (substituteAll {
-      src = ./Hardcode-perl.patch;
-      perl = lib.getExe perl;
-    })
-  ];
+  patches = [ (replaceVars ./Hardcode-perl.patch { inherit perl; }) ];
 
   cargoHash = "sha256-XnhYODMzqInwbgM8wveY048sljZ8OKw4hLYJG5h8Twc=";