43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
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From fbeaad11b0452a336cc23545aee709e811fdb9cc Mon Sep 17 00:00:00 2001
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From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
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Date: Sun, 25 Jun 2023 09:33:48 +0200
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Subject: [PATCH] Allow to override build date with SOURCE_DATE_EPOCH
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in order to make builds reproducible.
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See https://reproducible-builds.org/ for why this is good
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and https://reproducible-builds.org/specs/source-date-epoch/
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for the definition of this variable.
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This patch was done while working on reproducible builds for openSUSE.
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---
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magefile.go | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/magefile.go b/magefile.go
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index c08ffa37..ab91e4fe 100644
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--- a/magefile.go
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+++ b/magefile.go
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@@ -14,6 +14,7 @@ import (
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"path/filepath"
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"regexp"
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"runtime"
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+ "strconv"
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"strings"
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"time"
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@@ -100,6 +101,14 @@ func Clean() error {
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func flags() string {
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timestamp := time.Now().Format(time.RFC3339)
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+ source_date_epoch := os.Getenv("SOURCE_DATE_EPOCH")
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+ if source_date_epoch != "" {
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+ sde, err := strconv.ParseInt(source_date_epoch, 10, 64)
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+ if err != nil {
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+ panic(fmt.Sprintf("Invalid SOURCE_DATE_EPOCH: %s", err))
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+ }
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+ timestamp = time.Unix(sde, 0).UTC().Format(time.RFC3339)
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+ }
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hash := hash()
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tag := tag()
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if tag == "" {
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