From 8fd34669ed51b2b7109be3fc0e4b0fd73d765b58 Mon Sep 17 00:00:00 2001
From: David Gageot <david.gageot@docker.com>
Date: Tue, 4 Oct 2022 08:30:47 +0200
Subject: [PATCH] Fix assignment to nil map

Signed-off-by: David Gageot <david.gageot@docker.com>
---
 build/build.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build/build.go b/build/build.go
index 5030de4d..dc679d31 100644
--- a/build/build.go
+++ b/build/build.go
@@ -801,6 +801,9 @@ func BuildWithResultHandler(ctx context.Context, drivers []DriverInfo, opt map[s
 		}
 		for n, v := range gitLabels {
 			if _, ok := opt.Labels[n]; !ok {
+				if opt.Labels == nil {
+					opt.Labels = map[string]string{}
+				}
 				opt.Labels[n] = v
 			}
 		}