From dbe26c4fca373cf71bfc5d53a7876b7c7786cb4c Mon Sep 17 00:00:00 2001
From: Marcin Rataj <lidel@lidel.org>
Date: Fri, 21 Jun 2024 23:02:31 +0200
Subject: [PATCH] fix: --version flag includes release version

Porting fix from https://github.com/ipfs/rainbow/pull/149
---
 CHANGELOG.md |  2 ++
 version.go   | 17 ++++++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1db96df..a89d08d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,8 @@ The following emojis are used to highlight certain changes:
 
 ### Fixed
 
+- Release tag version is now included in `--version` output.
+
 ### Security
 
 ## [v0.2.3]
diff --git a/version.go b/version.go
index 4c15936..c59c5a1 100644
--- a/version.go
+++ b/version.go
@@ -1,22 +1,33 @@
 package main
 
 import (
+	_ "embed"
+	"encoding/json"
+	"fmt"
 	"runtime/debug"
 	"time"
 )
 
+//go:embed version.json
+var versionJSON []byte
+
 var name = "someguy"
 var version = buildVersion()
 var userAgent = name + "/" + version
 
 func buildVersion() string {
+	// Read version from embedded JSON file.
+	var verMap map[string]string
+	json.Unmarshal(versionJSON, &verMap)
+	release := verMap["version"]
+
 	var revision string
 	var day string
 	var dirty bool
 
 	info, ok := debug.ReadBuildInfo()
 	if !ok {
-		return "dev-build"
+		return release + " dev-build"
 	}
 	for _, kv := range info.Settings {
 		switch kv.Key {
@@ -33,7 +44,7 @@ func buildVersion() string {
 		revision += "-dirty"
 	}
 	if revision != "" {
-		return day + "-" + revision
+		return fmt.Sprintf("%s %s-%s", release, day, revision)
 	}
-	return "dev-build"
+	return release + " dev-build"
 }