wrapper-manager-fds/modules: fix makeWrapper arguments

Welp, we escape the arguments properly this time since it doesn't work
anymore for some reason but at least it is consistent for both binary-
and shell-based wrappers.

modules/wrapper-manager/base.nix

@@ -96,9 +96,8 @@ let
             Script fragments to run before the main executable.
 
             ::: {.note}
-            This option is only used when the wrapper script is not compiled
-            into a binary (that is, when {option}`build.isBinary` is set to
-            `false`).
+            This option is only used when {option}`build.isBinary` is set to
+            `false`.
             :::
           '';
           default = "";
@@ -117,23 +116,29 @@ let
         };
       };
 
-      config = {
-        env.PATH = lib.concatStringsSep ":" config.pathAdd;
-
+      config = lib.mkMerge [
+        {
           makeWrapperArgs = [
             "--argv0" config.arg0
           ]
-        ++ (builtins.map (v: "--unset ${v}") config.unset)
-        ++ (lib.mapAttrsToList (n: v: "--set ${n} ${v}") config.env)
-        ++ (builtins.map (v: "--add-flags ${v}") config.prependArgs)
-        ++ (builtins.map (v: "--append-flags ${v}") config.appendArgs)
+          ++ (builtins.map (v: "--unset ${lib.escapeShellArg v}") config.unset)
+          ++ (lib.mapAttrsToList (n: v: "--set ${lib.escapeShellArg n} ${lib.escapeShellArg v}") config.env)
+          ++ (builtins.map (v: "--add-flags ${lib.escapeShellArg v}") config.prependArgs)
+          ++ (builtins.map (v: "--append-flags ${lib.escapeShellArg v}") config.appendArgs)
           ++ (lib.optionals (!envConfig.build.isBinary && config.preScript != "") (
             let
               preScript =
                 pkgs.runCommand "wrapper-script-prescript-${config.executableName}" { } config.preScript;
             in
               [ "--run" preScript ]));
-      };
+        }
+
+        (lib.mkIf (config.pathAdd != [ ]) {
+          env.PATH = lib.concatStringsSep ":" config.pathAdd;
+
+        })
+
+      ];
     };
 in
 {

modules/wrapper-manager/locale.nix

@@ -4,7 +4,6 @@ let
   cfg = config.locale;
 
   localeModuleFactory = { isGlobal ? false }: {
-    locale = {
     enable = lib.mkOption {
       type = lib.types.bool;
       default = if isGlobal then true else cfg.enable;
@@ -28,7 +27,6 @@ let
       '';
     };
   };
-  };
 in
 {
   options.locale = localeModuleFactory { isGlobal = true; };

modules/wrapper-manager/xdg-desktop-entries.nix

@@ -114,8 +114,8 @@ in
 
             # Welp, we could set it to the absolute location of the wrapper
             # executable in the final output but it's a big pain the ass to do
-            # so but we're opting to the executable name instead. This current
-            # way of doing it is simply the next (and the simplest) best thing.
+            # so we're opting to the executable name instead. This current
+            # way of doing it is simply the next best (and the simplest) thing.
             # We just have to make sure the build step for the wrapper script
             # is consistent throughout the entire module environment.
             #

modules/wrapper-manager/xdg-dirs.nix

@@ -44,14 +44,21 @@ in
         xdgDirsType = { name, lib, config, ... }: {
           options.xdg = xdgDirsOption;
 
+          config = lib.mkMerge [
+            {
               # When set this way, we could allow the user to override everything.
-          config.xdg.configDirs = cfg.configDirs;
-          config.xdg.dataDirs = cfg.dataDirs;
+              xdg.configDirs = cfg.configDirs;
+              xdg.dataDirs = cfg.dataDirs;
+            }
 
-          config.env = {
-            XDG_CONFIG_DIRS = lib.concatStringsSep ":" config.xdg.configDirs;
-            XDG_DATA_DIRS = lib.concatStringsSep ":" config.xdg.dataDirs;
-          };
+            (lib.mkIf (config.xdg.configDirs != [ ]) {
+              env.XDG_CONFIG_DIRS = lib.concatStringsSep ":" config.xdg.configDirs;
+            })
+
+            (lib.mkIf (config.xdg.dataDirs != [ ]) {
+              env.XDG_DATA_DIRS = lib.concatStringsSep ":" config.xdg.dataDirs;
+            })
+          ];
         };
       in
       with lib.types; attrsOf (submodule xdgDirsType);