From 87f8c5f2ec2062f5224f39d1f7fdd069c571b70f Mon Sep 17 00:00:00 2001
From: Chris Marslender <chrismarslender@gmail.com>
Date: Fri, 8 Mar 2024 23:01:56 -0600
Subject: [PATCH] Add --version flag (#145)

---
 Makefile    | 2 +-
 cmd/root.go | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 2af269e..b98ab8c 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ all: fmt lint vet build
 .PHONY: build
 build: $(BIN) ; $(info $(M) building executable…) @ ## Build program binary
 	$Q CGO_ENABLED=0 $(GO) build \
-		-ldflags "-X main.gitVersion=$$(git describe --tags) -X \"main.buildTime=$$(date -u '+%Y-%m-%d %H:%M:%S %Z')\"" \
+		-ldflags "-X main.gitVersion=$$(git describe --tags) -X $(MODULE)/cmd.gitVersion=$$(git describe --tags) -X \"main.buildTime=$$(date -u '+%Y-%m-%d %H:%M:%S %Z')\" -X \"$(MODULE)/cmd.buildTime=$$(date -u '+%Y-%m-%d %H:%M:%S %Z')\"" \
 		-tags release \
 		-o $(BIN)/$(notdir $(basename $(MODULE)))$(binext)
 # Tools
diff --git a/cmd/root.go b/cmd/root.go
index a5ce992..b4a9e33 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -11,11 +11,16 @@ import (
 )
 
 var cfgFile string
+var (
+	gitVersion string
+	buildTime string
+)
 
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
 	Use:   "chia-exporter",
 	Short: "Prometheus metric exporter for Chia Blockchain",
+	Version: fmt.Sprintf("%s (%s)", gitVersion, buildTime),
 }
 
 // Execute adds all child commands to the root command and sets flags appropriately.