From 99a8a959b7bfad69eb28a9828150a7f9173aa64f Mon Sep 17 00:00:00 2001
From: Justin Cormack <justin.cormack@docker.com>
Date: Thu, 24 Nov 2016 13:09:58 +0000
Subject: [PATCH] Add Moby git commit to image

Fix #345

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
---
 alpine/.gitignore |  4 +---
 alpine/Makefile   | 11 ++++++++++-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/alpine/.gitignore b/alpine/.gitignore
index 629b3546c..b052907c4 100644
--- a/alpine/.gitignore
+++ b/alpine/.gitignore
@@ -1,10 +1,8 @@
 *.img
-*.img.gz
 /mobylinux.img
 /mobylinux.vhd
 /mobylinux-bios.iso
 /mobylinux-efi.iso
 /mobylinux-boot.vhdx
 /mobylinux.efi
-Dockerfile.armhf
-etc/inittab
+etc/moby-commit
diff --git a/alpine/Makefile b/alpine/Makefile
index bb6440d5a..0d58db868 100644
--- a/alpine/Makefile
+++ b/alpine/Makefile
@@ -2,9 +2,18 @@ all:	initrd.img mobylinux-efi.iso mobylinux-bios.iso
 
 ETCFILES=$(shell find etc)
 
+TAG=$(shell git rev-parse HEAD)
+STATUS=$(shell git status -s)
+ifeq ($(STATUS),)
+DIRTY=
+else
+DIRTY=-dirty
+endif
+
 initrd.img: Dockerfile mkinitrd.sh init $(ETCFILES)
 	$(MAKE) -C kernel
 	$(MAKE) -j -C packages
+	printf $(TAG)$(DIRTY) > etc/moby-commit
 	BUILD=$$( tar cf - \
 	  Dockerfile etc usr init mkinitrd.sh \
 	  -C kernel usr etc sbin lib -C .. \
@@ -146,7 +155,7 @@ vhdartifact:
 	docker volume create --name vhdartifact || true
 
 clean:
-	rm -f initrd.img mobylinux.vhd mobylinux.img mobylinux-bios.iso mobylinux-efi.iso mobylinux.efi
+	rm -f initrd.img mobylinux.vhd mobylinux.img mobylinux-bios.iso mobylinux-efi.iso mobylinux.efi etc/moby-commit
 	docker images -q moby-azure:build | xargs docker rmi -f || true
 	docker images -q moby-azure:raw2vhd | xargs docker rmi -f || true
 	docker volume rm vhdartifact || true