--- a/gui_ze/gui_ze.bzl	Wed Aug 05 09:19:41 2026 -0700
+++ b/gui_ze/gui_ze.bzl	Wed Aug 05 09:19:41 2026 -0700
@@ -10,6 +10,9 @@
   implementation = _foo_impl,
 )
 
+def _shell_quote(value):
+  return "'{}'".format(value.replace("'", "'\"'\"'"))
+
 def _bundle_impl(ctx):
   """
   bundle binary target into a folder which can later be used to make a post to github easily.
@@ -20,25 +23,41 @@
 
   # Name as output directory 
   out_dir = ctx.actions.declare_directory(ctx.label.name)
-
-  copy_cmd = []
-  copy_cmd.append("mkdir -p {}".format(out_dir.path))
+  manifest = ctx.actions.declare_file(ctx.label.name + ".runfiles_manifest")
+  manifest_lines = []
 
   for f in runfiles_files:
     if f.path == binary.path:
       continue
 
-    paths = "/".join(f.short_path.split("/")[:-1])
+    short_path = f.short_path
+    if f.short_path.startswith("../"):
+      short_path = short_path[3:]
+    paths = "/".join(short_path.split("/")[:-1])
     full_path = "{}/{}".format(out_dir.path, paths)
-    copy_cmd.append("mkdir -p {}".format(full_path))
-    copy_cmd.append("cp -rL {} {}".format(f.path, full_path))
+    manifest_lines.append("{}\t{}\n".format(f.path, full_path))
 
-  copy_cmd.append("cp {} {}".format(binary.path, out_dir.path))
+  ctx.actions.write(
+      output = manifest,
+      content = "".join(manifest_lines),
+  )
 
   ctx.actions.run_shell(
-    inputs = runfiles_files,
+    inputs = runfiles_files + [manifest],
     outputs = [out_dir],
-    command = " && ".join(copy_cmd),
+    command = """
+set -eu
+mkdir -p {out_dir}
+while IFS=$'\\t' read -r source destination; do
+  mkdir -p "$destination"
+  cp -rL "$source" "$destination"
+done < {manifest}
+cp {binary} {out_dir}
+""".format(
+        binary = _shell_quote(binary.path),
+        manifest = _shell_quote(manifest.path),
+        out_dir = _shell_quote(out_dir.path),
+    ),
     progress_message = "Bundling {}".format(ctx.label.name),
   )
   return [DefaultInfo(files = depset([out_dir]))]