From 08d2f3ee1ff2145421de048069a0818d000f309f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?nils=20m=C3=A5s=C3=A9n?= <nils@piksel.se>
Date: Sat, 12 Aug 2023 21:10:39 +0200
Subject: [PATCH] fix go 1.18 compat

---
 pkg/session/image_meta.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkg/session/image_meta.go b/pkg/session/image_meta.go
index 3d12a2a..0d9e8c5 100644
--- a/pkg/session/image_meta.go
+++ b/pkg/session/image_meta.go
@@ -4,11 +4,14 @@ import "strings"
 
 type imageMeta map[string]string
 
+const openContainersPrefix = "org.opencontainers.image."
+
 func imageMetaFromLabels(labels map[string]string) imageMeta {
 	im := make(imageMeta)
 	for key, value := range labels {
-		if suffix, found := strings.CutPrefix(key, "org.opencontainers.image."); found {
-			im[suffix] = value
+		if strings.HasPrefix(key, openContainersPrefix) {
+			strippedKey := key[len(openContainersPrefix):]
+			im[strippedKey] = value
 		}
 	}
 	return im