From 9977d243880f5a7f7c4b8ff4740af410a750e597 Mon Sep 17 00:00:00 2001
From: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
Date: Tue, 28 Jun 2016 15:39:38 -0700
Subject: [PATCH] Use git branch name as tag when building images

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
---
 Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 0852c71a..a84c5392 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,10 @@
 
 PREFIX := $(DESTDIR)/usr/local
 BINDIR := $(PREFIX)/sbin
-RUNC_IMAGE := runc_dev
-RUNC_TEST_IMAGE := runc_test
+GIT_BRANCH := $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
+GIT_BRANCH_CLEAN := $(shell echo $(GIT_BRANCH) | sed -e "s/[^[:alnum:]]/-/g")
+RUNC_IMAGE := runc_dev$(if $(GIT_BRANCH_CLEAN),:$(GIT_BRANCH_CLEAN))
+RUNC_TEST_IMAGE := runc_test$(if $(GIT_BRANCH_CLEAN),:$(GIT_BRANCH_CLEAN))
 PROJECT := github.com/opencontainers/runc
 TEST_DOCKERFILE := script/test_Dockerfile
 BUILDTAGS := seccomp