From e551d734fbfc7b166ede32bd82b2b9d1a3b9c47b Mon Sep 17 00:00:00 2001
From: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Date: Tue, 31 Jan 2023 23:25:59 +0900
Subject: [PATCH] pkg/epoch: drop timezone

For determinism of human-readable string representation.
e.g., "2023-01-10T12:34:56Z" vs "2023-01-10T21:34:56+09:00"

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
---
 pkg/epoch/epoch.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkg/epoch/epoch.go b/pkg/epoch/epoch.go
index 0ab36b6e5..0ba8ed3b1 100644
--- a/pkg/epoch/epoch.go
+++ b/pkg/epoch/epoch.go
@@ -41,7 +41,7 @@ func SourceDateEpoch() (*time.Time, error) {
 	if err != nil {
 		return nil, fmt.Errorf("invalid %s value %q: %w", SourceDateEpochEnv, v, err)
 	}
-	unix := time.Unix(i64, 0)
+	unix := time.Unix(i64, 0).UTC()
 	return &unix, nil
 }
 
@@ -55,7 +55,7 @@ func SourceDateEpochOrNow() time.Time {
 	if epoch != nil {
 		return *epoch
 	}
-	return time.Now()
+	return time.Now().UTC()
 }
 
 // SetSourceDateEpoch sets the SOURCE_DATE_EPOCH env var.