1 files changed, 9 insertions, 0 deletions
diff --git a/layer-recipes/util.sh b/layer-recipes/util.sh
new file mode 100755
index 0000000..f19230d
--- /dev/null
+++ b/layer-recipes/util.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+require-layer() {
+	if [ $# -ne 1 ]; then
+		echo "require-layer requires exactly 1 argument"
+		exit 1
+	fi
+	test -e "/tmp/lamina.$1" || sf.lamina "layer-recipes/$1.recipe" "/tmp/lamina.$1" || return 1
+}