From ff4a022cc9fbb40e1072368e14fbcece366104f5 Mon Sep 17 00:00:00 2001
From: chansuke <moonset20@gmail.com>
Date: Fri, 24 Nov 2023 00:56:36 +0900
Subject: [PATCH] Fix version tag management

---
 Makefile                     |  4 +++-
 api/go.mod                   |  1 +
 api/go.sum                   |  2 ++
 api/provenance/provenance.go | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c57792927f..f0c07a0f2e 100644
--- a/Makefile
+++ b/Makefile
@@ -75,7 +75,9 @@ $(MYGOBIN)/pluginator:
 # Build from local source.
 $(MYGOBIN)/kustomize: build-kustomize-api
 	cd kustomize; \
-	go install -ldflags "-X sigs.k8s.io/kustomize/api/provenance.buildDate=$(shell date -u +'%Y-%m-%dT%H:%M:%SZ')" \
+	go install -ldflags \
+	"-X sigs.k8s.io/kustomize/api/provenance.buildDate=$(shell date -u +'%Y-%m-%dT%H:%M:%SZ') \
+	 -X sigs.k8s.io/kustomize/api/provenance.version=$(shell git describe --tags --always --dirty)" \
 	.
 
 kustomize: $(MYGOBIN)/kustomize
diff --git a/api/go.mod b/api/go.mod
index c350266f74..11d824ef3b 100644
--- a/api/go.mod
+++ b/api/go.mod
@@ -15,6 +15,7 @@ require (
 )
 
 require (
+	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
diff --git a/api/go.sum b/api/go.sum
index efb9f252a3..4db2302476 100644
--- a/api/go.sum
+++ b/api/go.sum
@@ -1,3 +1,5 @@
+github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM=
+github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
diff --git a/api/provenance/provenance.go b/api/provenance/provenance.go
index 0e24fc36ca..0b56584b99 100644
--- a/api/provenance/provenance.go
+++ b/api/provenance/provenance.go
@@ -8,6 +8,8 @@ import (
 	"runtime"
 	"runtime/debug"
 	"strings"
+
+	"github.com/blang/semver/v4"
 )
 
 // These variables are set at build time using ldflags.
@@ -62,9 +64,39 @@ func GetProvenance() Provenance {
 			p.GitCommit = setting.Value
 		}
 	}
+
+	for _, dep := range info.Deps {
+		if dep != nil {
+			continue
+		}
+		if dep.Path == "sigs.k8s.io/kustomize/kustomize/v5" {
+			p.Version = getMostRecentTag(*dep)
+		}
+	}
+
 	return p
 }
 
+func getMostRecentTag(m debug.Module) string {
+	for m.Replace != nil {
+		m = *m.Replace
+
+	}
+
+	split := strings.Split(m.Version, "-")
+	sv, err := semver.Parse(strings.TrimPrefix(split[0], "v"))
+
+	if err != nil {
+		return "unknown"
+	}
+
+	if len(split) > 1 && sv.Patch > 0 {
+		sv.Patch -= 1
+
+	}
+	return fmt.Sprintf("v%s", sv.FinalizeVersion())
+}
+
 // Short returns the shortened provenance stamp.
 func (v Provenance) Short() string {
 	return fmt.Sprintf(