add Makefile for licensing container

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

licensing/.gitignore

@@ -0,0 +1 @@
+output/

licensing/Makefile

@@ -0,0 +1,12 @@
+.PHONY: license clean run
+all: license
+
+license: packages.lua Dockerfile license.sh
+	docker build -t license .
+
+run: license
+	rm -rf output
+	docker run -it -v /etc:/hostetc -v /lib:/lib -v $(PWD)/output:/output license
+
+clean:
+	rm -rf output

licensing/license.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-set -x
+
 cat /hostetc/issue | grep -q Moby || ( printf "You must run this script with -v /etc:/hostetc -v /lib:/lib\n" && exit 1 )
 
 apk info | grep -q fuse || ( printf "You must run this script with -v /etc:/etc -v /lib:/lib\n" && exit 1 )