added version, small refactor

Author: enrichman

.gitignore

@@ -1,2 +1,3 @@
 .DS_Store
 build
+ringo

build.sh

@@ -4,10 +4,13 @@ set -e
 
 rm -rf build
 
+LATEST_TAG=$(git describe --tags)
+
 gox -output 'build/{{.OS}}_{{.Arch}}/ringo' \
     --os "linux darwin windows" \
     -arch "386 amd64" \
-    -osarch '!darwin/386'
+    -osarch '!darwin/386' \
+    -ldflags="-X 'main.Version=${LATEST_TAG}'"
 
 for rls in build/{linux,darwin}*; do \
     tar czf build/ringo-$(echo ${rls} | cut -f2 -d/).tgz -C ${rls} ringo; \

main.go

@@ -11,55 +11,69 @@ import (
 	"github.com/manifoldco/promptui"
 )
 
-var secretsFilename string
+var (
+	Version         = "v0.0.0-dev"
+	secretsFilename string
+)
 
 func main() {
+	showVersion := flag.Bool("version", false, "show ringo version")
 	flag.StringVar(&secretsFilename, "filename", "config/secrets.yml", "the file containing the secrets to decrypt")
 	flag.Parse()
 
+	if *showVersion {
+		fmt.Print(Version)
+		os.Exit(1)
+	}
+
 	if _, err := os.Open(secretsFilename); err != nil {
 		if errors.Is(err, os.ErrNotExist) {
 			fmt.Println("'config/secrets.yml' file not found!\nYou can use the -filename flag for a different path")
 			return
 		}
-		panic(err)
+		fmt.Print(err)
+		os.Exit(1)
 	}
 
 	if err := biscuit.KmsCallerIdentity(); err != nil {
 		fmt.Print(err)
 		os.Exit(1)
 	}
 
-	list, err := biscuit.List(secretsFilename)
+	secrets, err := biscuit.List(secretsFilename)
 	if err != nil {
 		fmt.Print(err)
 		os.Exit(1)
 	}
 
-	prompt := promptui.Select{
-		Label: "Select a secret to decrypt",
-		Items: list,
-		Size:  10,
-		Searcher: func(input string, index int) bool {
-			name := strings.Replace(strings.ToLower(list[index]), " ", "", -1)
-			input = strings.Replace(strings.ToLower(input), " ", "", -1)
-			return strings.Contains(name, input)
-		},
-	}
-
-	_, result, err := prompt.Run()
+	selectedSecret, err := loadSecretsSelection(secrets)
 	if err != nil {
 		// this happens when you ^C the prompt
 		return
 	}
 
-	fmt.Printf("Decrypting %q\n", result)
-
-	res, err := biscuit.Get(secretsFilename, result)
+	fmt.Printf("Decrypting %q\n", selectedSecret)
+	res, err := biscuit.Get(secretsFilename, selectedSecret)
 	if err != nil {
 		fmt.Print(err)
 		os.Exit(1)
 	}
 
 	fmt.Println(res)
 }
+
+func loadSecretsSelection(secrets []string) (string, error) {
+	prompt := promptui.Select{
+		Label: "Select a secret to decrypt",
+		Items: secrets,
+		Size:  10,
+		Searcher: func(input string, index int) bool {
+			name := strings.Replace(strings.ToLower(secrets[index]), " ", "", -1)
+			input = strings.Replace(strings.ToLower(input), " ", "", -1)
+			return strings.Contains(name, input)
+		},
+	}
+
+	_, result, err := prompt.Run()
+	return result, err
+}