From f992b775359225dbfb7069d7e96419b462b02329 Mon Sep 17 00:00:00 2001
From: Justin Chadwell <me@jedevc.com>
Date: Thu, 15 Dec 2022 15:39:19 +0000
Subject: [PATCH] buildflags: warn on duplicate attest field

Signed-off-by: Justin Chadwell <me@jedevc.com>
---
 util/buildflags/attests.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/util/buildflags/attests.go b/util/buildflags/attests.go
index b9aad1a2..ab1b163a 100644
--- a/util/buildflags/attests.go
+++ b/util/buildflags/attests.go
@@ -29,6 +29,9 @@ func ParseAttests(in []string) (map[string]*string, error) {
 		}
 
 		k := "attest:" + attestType
+		if _, ok := out[k]; ok {
+			return nil, errors.Errorf("duplicate attestation field %s", attestType)
+		}
 		if enabled {
 			out[k] = &in
 		} else {