From 56488d26cd7069332ce8ac3c8e201a092ee16db6 Mon Sep 17 00:00:00 2001
From: Kamil Turek <kamil.turek@hotmail.com>
Date: Fri, 26 Aug 2022 23:39:06 +0200
Subject: [PATCH] Support version flag

---
 .goreleaser.yaml |  2 ++
 cli.go           | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/.goreleaser.yaml b/.goreleaser.yaml
index 092a00c..baa2819 100644
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@@ -5,6 +5,8 @@ before:
 builds:
   - main:
       ./cmd/go-zpl
+    ldflags:
+      - "-s -w -X github.com/kamilturek/go-zpl.version={{.Version}}"
     env:
       - CGO_ENABLED=0
     goos:
diff --git a/cli.go b/cli.go
index bd280cd..4c37f1c 100644
--- a/cli.go
+++ b/cli.go
@@ -6,7 +6,12 @@ import (
 	"os"
 )
 
+var version string
+
 func RunCLI() {
+	showVersion := flag.Bool("v", false, "version for go-zpl")
+	showVersionLong := flag.Bool("version", false, "version for go-zpl")
+
 	density := flag.Int("d", 8, "input label density [dpmm]")
 	width := flag.Int("w", 4, "input label width [inch]")
 	height := flag.Int("h", 6, "input label height [inch]")
@@ -14,6 +19,11 @@ func RunCLI() {
 	outputFormat := flag.String("f", "png", "output file format")
 	flag.Parse()
 
+	if *showVersion || *showVersionLong {
+		fmt.Fprintln(os.Stdout, version)
+		os.Exit(0)
+	}
+
 	if err := Convert(
 		WithInputFromArgs(flag.Args()),
 		WithOutputPath(*outputPath),