From eb81457111f31c0f5b57e21883a463b7c900399f Mon Sep 17 00:00:00 2001
From: David Gageot <david.gageot@docker.com>
Date: Thu, 23 Mar 2023 09:55:21 +0100
Subject: [PATCH] Avoid running git command 254 times (#3915)

Signed-off-by: David Gageot <david.gageot@docker.com>
---
 kernel/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/Makefile b/kernel/Makefile
index 98e7b94f04..0cd1bdbc71 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -32,10 +32,10 @@ DEBUG?=
 
 ifeq ($(HASH),)
 HASH_COMMIT?=HEAD # Setting this is only really useful with the show-tag target
-HASH?=$(shell git ls-tree --full-tree $(HASH_COMMIT) -- $(CURDIR) | awk '{print $$3}')
+HASH:=$(shell git ls-tree --full-tree $(HASH_COMMIT) -- $(CURDIR) | awk '{print $$3}')
 
 ifneq ($(HASH_COMMIT),HEAD) # Others can't be dirty by definition
-DIRTY=$(shell  git update-index -q --refresh && git diff-index --quiet HEAD -- $(CURDIR) || echo "-dirty")
+DIRTY:=$(shell git update-index -q --refresh && git diff-index --quiet HEAD -- $(CURDIR) || echo "-dirty")
 endif
 endif