refactor(overrides/writeElispBin): use writeScriptBin

Change-Id: Ib9793da985128b4a8f64b04086ea89ce81118188
Reviewed-on: https://cl.tvl.fyi/c/depot/+/705
Tested-by: BuildkiteCI
Reviewed-by: Kane York <rikingcoding@gmail.com>
Reviewed-by: tazjin <mail@tazj.in>
Reviewed-by: BuildkiteCI

overrides/writeElispBin/default.nix

@@ -1,9 +1,9 @@
-{ pkgs, ... }:
+{ depot, pkgs, ... }:
 
 { name, src, deps ? (_: []), emacs ? pkgs.emacs26-nox }:
 
 let
-  inherit (pkgs) emacsPackages emacsPackagesGen writeTextFile;
+  inherit (pkgs) emacsPackages emacsPackagesGen;
   inherit (builtins) isString toFile;
 
   finalEmacs = (emacsPackagesGen emacs).emacsWithPackages deps;
@@ -11,13 +11,8 @@ let
   srcFile = if isString src
     then toFile "${name}.el" src
     else src;
-in writeTextFile {
-  inherit name;
-  executable = true;
-  destination = "/bin/${name}";
 
-  text = ''
+in depot.nix.writeScriptBin name ''
   #!/bin/sh
   ${finalEmacs}/bin/emacs --batch --no-site-file --script ${srcFile} $@
-  '';
-}
+''

third_party/default.nix

@@ -135,7 +135,6 @@ let
       writeShellScript
       writeShellScriptBin
       writeText
-      writeTextFile
       xorg
       xz
       zlib