Preserve Plymouth theme directory permissions

bin/omarchy-plymouth-set

@@ -54,7 +54,7 @@ for asset in bullet.png entry.png lock.png progress_bar.png; do
   magick "$staging_dir/$asset" -channel RGB +level-colors "#$text_hex","#$text_hex" "$staging_dir/$asset"
 done
 
-sudo cp -a "$staging_dir/." "$theme_dir/"
+sudo cp -a --no-preserve=mode,ownership "$staging_dir/." "$theme_dir/"
 sudo plymouth-set-default-theme omarchy
 
 if omarchy-cmd-present limine-mkinitcpio; then

test/shell.d/plymouth-set-test.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+source "$(dirname "${BASH_SOURCE[0]}")/base-test.sh"
+
+test_tmp=$(mktemp -d)
+trap 'rm -rf "$test_tmp"' EXIT
+
+source_dir="$test_tmp/source"
+theme_dir="$test_tmp/theme"
+
+mkdir -m 0700 "$source_dir"
+mkdir -m 0755 "$theme_dir"
+touch "$source_dir/logo.png"
+
+cp -a --no-preserve=mode,ownership "$source_dir/." "$theme_dir/"
+
+[[ $(stat -c %a "$theme_dir") == "755" ]] ||
+  fail "Plymouth asset copy preserves the theme directory permissions"
+
+grep -Fq \
+  'cp -a --no-preserve=mode,ownership "$staging_dir/." "$theme_dir/"' \
+  "$ROOT/bin/omarchy-plymouth-set" ||
+  fail "omarchy-plymouth-set avoids copying staging directory ownership and mode"
+
+pass "Plymouth asset copy preserves the package-owned directory metadata"