Initial commit

vendor/github.com/hyperhq/hypercli/contrib/mkimage/busybox-static

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+set -e
+
+rootfsDir="$1"
+shift
+
+busybox="$(which busybox 2>/dev/null || true)"
+if [ -z "$busybox" ]; then
+	echo >&2 'error: busybox: not found'
+	echo >&2 '  install it with your distribution "busybox-static" package'
+	exit 1
+fi
+if ! ldd "$busybox" 2>&1 | grep -q 'not a dynamic executable'; then
+	echo >&2 "error: '$busybox' appears to be a dynamic executable"
+	echo >&2 '  you should install your distribution "busybox-static" package instead'
+	exit 1
+fi
+
+mkdir -p "$rootfsDir/bin"
+rm -f "$rootfsDir/bin/busybox" # just in case
+cp "$busybox" "$rootfsDir/bin/busybox"
+
+(
+	cd "$rootfsDir"
+
+	IFS=$'\n'
+	modules=( $(bin/busybox --list-modules) )
+	unset IFS
+
+	for module in "${modules[@]}"; do
+		mkdir -p "$(dirname "$module")"
+		ln -sf /bin/busybox "$module"
+	done
+)