treewide: fixup bcf54ce

fix the executable bit for scripts installed with substituteAll
and some remaining shebangs.

pkgs/os-specific/linux/rfkill/udev.nix

@@ -27,9 +27,10 @@
 let
   rfkillHook =
     substituteAll {
-    inherit (stdenv) shell;
-    src = ./rfkill-hook.sh;
-  };
+      inherit (stdenv) shell;
+      isExecutable = true;
+      src = ./rfkill-hook.sh;
+    };
 in stdenv.mkDerivation {
   name = "rfkill-udev";
 
@@ -44,7 +45,6 @@ in stdenv.mkDerivation {
 
     mkdir -p "$out/bin/";
     cp ${rfkillHook} "$out/bin/rfkill-hook.sh"
-    chmod +x "$out/bin/rfkill-hook.sh";
   '';
 
   meta = {