From 55f537631a67e10a18c98a7750ab6c646296e746 Mon Sep 17 00:00:00 2001
From: Ian Campbell <ian.campbell@docker.com>
Date: Tue, 27 Jun 2017 17:08:59 +0100
Subject: [PATCH] pkg: add target to print the tag

$ make --no-print-directory -C pkg/init/ show-tag
linuxkit/init:36c56f0664d49c5a6adc1120d1bf5ba6ac30b389

Useful for scripting etc.

Signed-off-by: Ian Campbell <ian.campbell@docker.com>
---
 pkg/package.mk | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/package.mk b/pkg/package.mk
index 85dedf645..96297159a 100644
--- a/pkg/package.mk
+++ b/pkg/package.mk
@@ -1,4 +1,4 @@
-.PHONY: tag push
+.PHONY: image tag show-tag
 default: push
 
 ORG?=linuxkit
@@ -27,6 +27,9 @@ else
 NET_OPT=--network=none
 endif
 
+show-tag:
+	@echo $(ORG)/$(IMAGE):$(TAG)
+
 tag: $(BASE_DEPS) $(DEPS)
 	DOCKER_CONTENT_TRUST=1 docker pull $(ORG)/$(IMAGE):$(TAG) || \
 	docker build $(NET_OPT) -t $(ORG)/$(IMAGE):$(TAG) .