diff --git a/scripts/fetch b/scripts/fetch
index 3f6ff08..e8c48a9 100755
--- a/scripts/fetch
+++ b/scripts/fetch
@@ -12,7 +12,11 @@ buildroot_ref=${BUILDROOT_REF?}
 		> ~/.gitconfig
 
 mkdir -p "$build_dir"
+
+[ "$(ls -A $build_dir)" ] && exit 0
+
 git clone "$buildroot_repo" "$buildroot_dir"
 git -C "$buildroot_dir" checkout "$buildroot_ref"
 cd "$buildroot_dir"
+make "airgap_${TARGET}_defconfig"
 make source