ibus-with-plugins: rewrite wrapper

pkgs/tools/inputmethods/ibus/wrapper.nix

@@ -1,24 +1,36 @@
-{ stdenv, buildEnv, ibus, makeWrapper, plugins, hicolor_icon_theme }:
+{ stdenv, runCommand, ibus, lndir, makeWrapper, plugins, hicolor_icon_theme }:
 
 let
-drv = buildEnv {
   name = "ibus-with-plugins-" + (builtins.parseDrvName ibus.name).version;
-
-  paths = [ ibus hicolor_icon_theme ] ++ plugins;
-
-  postBuild = ''
-    # TODO: This could be avoided if buildEnv could be forced to create all directories
-    if [ -L $out/bin ]; then
-      rm $out/bin
-      mkdir $out/bin
-      for i in ${ibus}/bin/*; do
-        ln -s $i $out/bin
-      done
-    fi
-    wrapProgram $out/bin/ibus \
-      --set IBUS_COMPONENT_PATH "$out/share/ibus/component/"
-    wrapProgram $out/bin/ibus-daemon \
-      --set IBUS_COMPONENT_PATH "$out/share/ibus/component/"
-  '';
+  env = {
+    nativeBuildInputs = [ lndir makeWrapper ];
+    propagatedUserEnvPackages = [ hicolor_icon_theme ];
+    paths = [ ibus ] ++ plugins;
   };
-in stdenv.lib.overrideDerivation drv (x : { buildInputs = x.buildInputs ++ [ makeWrapper ]; })
+  command = ''
+    for dir in bin etc lib libexec share; do
+        mkdir -p "$out/$dir"
+        for pkg in $paths; do
+            if [ -d "$pkg/$dir" ]; then
+                lndir -silent "$pkg/$dir" "$out/$dir"
+            fi
+        done
+    done
+
+    for prog in ibus ibus-daemon ibus-setup; do
+        wrapProgram "$out/bin/$prog" \
+          --suffix XDG_DATA_DIRS : "${hicolor_icon_theme}/share" \
+          --set IBUS_COMPONENT_PATH "$out/share/ibus/component/" \
+          --set IBUS_DATAROOTDIR "$out/share" \
+          --set IBUS_LIBEXECDIR "$out/libexec" \
+          --set IBUS_LOCALEDIR "$out/share/locale" \
+          --set IBUS_PREFIX "$out" \
+          --set IBUS_TABLE_BIN_PATH "$out/bin" \
+          --set IBUS_TABLE_DATA_DIR "$out/share" \
+          --set IBUS_TABLE_LIB_LOCATION "$out/libexec" \
+          --set IBUS_TABLE_LOCATION "$out/share/ibus-table" \
+          --set IBUS_TABLE_DEBUG_LEVEL 1
+    done
+  '';
+in
+  runCommand name env command