Allow building the ISO from local source and replace dev build binstub with --dev

builder/build-iso.sh

@@ -30,8 +30,12 @@ rm -rf "$build_cache_dir/airootfs/etc/xdg/reflector"
 # Bring in our configs
 cp -r /configs/* $build_cache_dir/
 
-# Clone Omarchy itself
-git clone -b $OMARCHY_INSTALLER_REF https://github.com/$OMARCHY_INSTALLER_REPO.git "$build_cache_dir/airootfs/root/omarchy"
+# Setup Omarchy itself
+if [[ -d /omarchy ]]; then
+  cp -rp /omarchy "$build_cache_dir/airootfs/root/omarchy"
+else
+  git clone -b $OMARCHY_INSTALLER_REF https://github.com/$OMARCHY_INSTALLER_REPO.git "$build_cache_dir/airootfs/root/omarchy"
+fi
 
 # Make log uploader available in the ISO too
 mkdir -p "$build_cache_dir/airootfs/usr/local/bin/"