From 65c1a1f4b372589760407b4028f21c695dac07880538da6c93a68ae7f3fbb047 Mon Sep 17 00:00:00 2001
From: Witek Bedyk <witold.bedyk@suse.com>
Date: Thu, 17 Aug 2023 15:14:57 +0000
Subject: [PATCH] Accepting request 1103279 from
 home:witekbedyk:branches:server:monitoring

- Add 0001-do_not_discover_user_host_for_reproducible_builds.patch
- Require Go >= 1.19 for building
- Require Go >= 1.18 for building Red Hat packages

OBS-URL: https://build.opensuse.org/request/show/1103279
OBS-URL: https://build.opensuse.org/package/show/server:monitoring/golang-github-prometheus-promu?expand=0&rev=32
---
 ...er_user_host_for_reproducible_builds.patch | 74 +++++++++++++++++++
 golang-github-prometheus-promu.changes        |  7 ++
 golang-github-prometheus-promu.spec           |  7 +-
 vendor.tar.gz                                 |  4 +-
 4 files changed, 88 insertions(+), 4 deletions(-)
 create mode 100644 0001-do_not_discover_user_host_for_reproducible_builds.patch

diff --git a/0001-do_not_discover_user_host_for_reproducible_builds.patch b/0001-do_not_discover_user_host_for_reproducible_builds.patch
new file mode 100644
index 0000000..fb57518
--- /dev/null
+++ b/0001-do_not_discover_user_host_for_reproducible_builds.patch
@@ -0,0 +1,74 @@
+Index: promu-0.15.0/cmd/build.go
+===================================================================
+--- promu-0.15.0.orig/cmd/build.go
++++ promu-0.15.0/cmd/build.go
+@@ -32,6 +32,10 @@ import (
+ 	"github.com/prometheus/promu/util/sh"
+ )
+ 
++const (
++	sourceDateEpoch = "SOURCE_DATE_EPOCH"
++)
++
+ var (
+ 	buildcmd        = app.Command("build", "Build a Go project")
+ 	buildCgoFlagSet bool
+@@ -155,7 +159,7 @@ func getLdflags(info repository.Info) st
+ 			tmplOutput = new(bytes.Buffer)
+ 			fnMap      = template.FuncMap{
+ 				"date":     buildDate.UTC().Format,
+-				"host":     os.Hostname,
++				"host":     HostFunc,
+ 				"repoPath": RepoPathFunc,
+ 				"user":     UserFunc,
+ 			}
+@@ -191,13 +195,13 @@ func getLdflags(info repository.Info) st
+ func getBuildDate() time.Time {
+ 	var buildDate time.Time
+ 
+-	sourceDate := os.Getenv("SOURCE_DATE_EPOCH")
++	sourceDate := os.Getenv(sourceDateEpoch)
+ 	if sourceDate == "" {
+ 		buildDate = time.Now()
+ 	} else {
+ 		unixBuildDate, err := strconv.ParseInt(sourceDate, 10, 64)
+ 		if err != nil {
+-			fatal(errors.Wrap(err, "Failed to parse SOURCE_DATE_EPOCH"))
++			fatal(errors.Wrap(err, "Failed to parse "+sourceDateEpoch))
+ 		} else {
+ 			buildDate = time.Unix(unixBuildDate, 0)
+ 		}
+@@ -205,10 +209,31 @@ func getBuildDate() time.Time {
+ 	return buildDate
+ }
+ 
++func HostFunc() string {
++	if isReproducibleBuild() {
++		return "reproducible"
++	} else {
++		hostname, err := os.Hostname()
++		if err != nil {
++			return "unknown-host"
++		} else {
++			return hostname
++		}
++	}
++}
++
+ // UserFunc returns the current username.
+ func UserFunc() (interface{}, error) {
+-	// os/user.Current() doesn't always work without CGO
+-	return shellOutput("whoami"), nil
++	if isReproducibleBuild() {
++		return "reproducible", nil
++	} else {
++		// os/user.Current() doesn't always work without CGO
++		return shellOutput("whoami"), nil
++	}
++}
++
++func isReproducibleBuild() bool {
++	return os.Getenv(sourceDateEpoch) != ""
+ }
+ 
+ // RepoPathFunc returns the repository path.
diff --git a/golang-github-prometheus-promu.changes b/golang-github-prometheus-promu.changes
index 8ea9a86..6d3bead 100644
--- a/golang-github-prometheus-promu.changes
+++ b/golang-github-prometheus-promu.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Aug  8 11:53:00 UTC 2023 - Witek Bedyk <witold.bedyk@suse.com>
+
+- Add 0001-do_not_discover_user_host_for_reproducible_builds.patch
+- Require Go >= 1.19 for building
+- Require Go >= 1.18 for building Red Hat packages
+
 -------------------------------------------------------------------
 Tue Jul 04 10:41:07 UTC 2023 - kastl@b1-systems.de
 
diff --git a/golang-github-prometheus-promu.spec b/golang-github-prometheus-promu.spec
index 40e3659..5656e26 100644
--- a/golang-github-prometheus-promu.spec
+++ b/golang-github-prometheus-promu.spec
@@ -25,15 +25,18 @@ Group:          System/Management
 URL:            https://github.com/prometheus/promu
 Source:         promu-%{version}.tar.gz
 Source1:        vendor.tar.gz
+# PATCH-FIX-UPSTREAM Fix setting reproducible user and host during the build
+# https://github.com/prometheus/promu/pull/267
+Patch1:         0001-do_not_discover_user_host_for_reproducible_builds.patch
 BuildRequires:  golang-packaging
 ExcludeArch:    s390
 %{go_provides}
 %if 0%{?rhel}
 # Fix ERROR: No build ID note found in
 %undefine _missing_build_ids_terminate_build
-BuildRequires:  golang >= 1.17
+BuildRequires:  golang >= 1.18
 %else
-BuildRequires:  golang(API) = 1.18
+BuildRequires:  golang(API) >= 1.19
 %endif
 
 %description
diff --git a/vendor.tar.gz b/vendor.tar.gz
index def0ea2..183e3c1 100644
--- a/vendor.tar.gz
+++ b/vendor.tar.gz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ba8f21bf9db61392c4d9fe4bab4c995155ae0b6cf893d572afffb04fef15db45
-size 1961663
+oid sha256:d01b7ba3c525d28e851655e78029a2cd3d89079995765a66ee3a3559c93fa9d4
+size 1961604