feat:add version flag to ldflags and print version in banner (#158)

Signed-off-by: Siddhartha Khuntia <siddharthakhuntia@gmail.com>

.goreleaser.yml

@@ -6,6 +6,8 @@ builds:
     main: ./main.go
     env:
       - CGO_ENABLED=0
+    ldflags:
+      - -X github.com/yonahd/kor/pkg/utils.Version={{.Version}}
     goos:
       - linux
     goarch:
@@ -17,6 +19,8 @@ builds:
     main: ./main.go
     env:
       - CGO_ENABLED=0
+    ldflags:
+      - -X github.com/yonahd/kor/pkg/utils.Version={{.Version}}
     goos:
       - darwin
     goarch:
@@ -32,7 +36,7 @@ builds:
       - amd64
     ldflags:
       - -buildmode=exe
-
+      - -X github.com/yonahd/kor/pkg/utils.Version={{.Version}}
 archives:
   - format: tar.gz
     name_template: >-
@@ -57,3 +61,5 @@ changelog:
       - 'README'
       - Merge pull request
       - Merge branch
+snapshot:
+  name_template: "{{ .Version }}"

pkg/utils/banner.go

@@ -1,9 +1,13 @@
 package utils
 
 import (
+	"fmt"
+
 	"github.com/fatih/color"
 )
 
+var Version = "dev"
+
 func PrintLogo(outputFormat string) {
 	boldBlue := color.New(color.FgHiBlue, color.Bold)
 	asciiLogo := `
@@ -15,7 +19,7 @@ func PrintLogo(outputFormat string) {
 `
 	// processing of the `outputFormat` happens inside of the rootCmd so this requires a pretty large change
 	// to keep the banner. Instead just loop through os args and find if the format was set and handle it there
-
+	fmt.Printf("version: v%s\n", Version)
 	if outputFormat != "yaml" && outputFormat != "json" {
 		boldBlue.Println(asciiLogo)
 	}