update

- `chbg`: avoid null argument
- `fake-nautilus` overrides.

fake-nautilus/PKGBUILD

@@ -0,0 +1,28 @@
+# thx Vescrity.
+pkgname=fake-nautilus
+pkgver=0.2
+pkgrel=1
+pkgdesc="no nautilus"
+arch=('any')
+depends=()
+optdepends=()
+makedepends=()
+conflicts=('nautilus')
+provides=('nautilus')
+source=()
+sha256sums=()
+prepare() {
+  true
+}
+
+build() {
+  true
+}
+
+package() {
+  echo ${srcdir}
+  install -d "${pkgdir}/usr/bin"
+  cd "${pkgdir}/usr/bin"
+  echo -e "#!/bin/bash\nnotify-send 'Doki Doki Forever!'" > nautilus
+  chmod +x nautilus
+}