switch up homebrew formula, add version call

.goreleaser.yaml

@@ -45,20 +45,14 @@ brews:
     tap:
       owner: scottmmjackson
       name: homebrew-sj
-      branch: main
       pull_request:
         enabled: true
         base: main
-      git:
-        url: 'ssh://[email protected]:scottmmjackson/bb2todotxt.git'
-        private_key: '{{ .Env.BREW_KEY }}'
-    url_template: 'https://github.com/scottmmjackson/bb2todotxt/releases/download/{{ .Tag }}/{{ .ArtifactName }}"'
-    commit_author:
-      name: goreleaserbot
-      email: [email protected]
+    folder: Formula
     homepage: "https://github.com/scottmmjackson/bb2todotxt"
     description: Converts pull request tasks from bitbucket to todo txt tasks
-    license: BSD 3.0
+    test: |
+      system "#{bin}/bb2todotxt -v"
 
 checksum:
   name_template: 'checksums.txt'

bb2todotxt.go

@@ -12,18 +12,25 @@ import (
 	"os"
 )
 
+const VERSION = "v0.0.3"
+
 type bitbucketConfig struct {
 	Username string `json:username`
 	Password string `json:password`
 }
 
 func commandLine() (*bitbucketConfig, string, string, int, error) {
 	var bitbucketConfigMap *bitbucketConfig
+	version := flag.Bool("v", false, "print version and quit")
 	slug := flag.String("slug", "", "repo slug")
 	owner := flag.String("owner", "", "repo owner")
 	id := flag.Int("id", 0, "pull request id")
 	bitbucketConfigFile := flag.String("config", "", "Bitbucket config file")
 	flag.Parse()
+	if *version {
+		fmt.Println(VERSION)
+		os.Exit(0)
+	}
 	if *bitbucketConfigFile == "" {
 		return bitbucketConfigMap, "", "", 0, errors.New("Required flags not provided.")
 	}