Add version information

Author: meap

.goreleaser.yaml

@@ -10,6 +10,7 @@ builds:
       - linux
       - windows
       - darwin
+    ldflags: -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.buildTime={{.Date}}`.
 
 archives:
   - format: tar.gz
@@ -42,8 +43,8 @@ brews:
     homepage: https://github.com/meap/runecs
     tap:
       owner: meap
-      name: homebrew
+      name: homebrew-runecs
     commit_author:
       name: meap
       email: [email protected]
-      
+

README.md

@@ -7,6 +7,18 @@ RunECS is a tool for executing one-off processes in an ECS cluster.
 * Only FARGATE launch type is supported.
 * Sidecar containers are not supported
 
+# Install
+
+## Manual
+
+Download the binary file for your platform, [see releases](https://github.com/meap/runecs/releases).
+
+## Homebrew
+
+```shell
+brew tap meap/runecs
+brew install runecs
+```
 
 # How to Use
 

cmd/main.go

@@ -29,8 +29,8 @@ import (
 var rootCmd = &cobra.Command{}
 
 func init() {
-	rootCmd.PersistentFlags().String("service", "", "service name (cluster/service)")
 	rootCmd.CompletionOptions.DisableDefaultCmd = true
+	rootCmd.PersistentFlags().String("service", "", "service name (cluster/service)")
 	viper.BindPFlag("service", rootCmd.PersistentFlags().Lookup("service"))
 
 	var dockerImageTag string

cmd/version.go

@@ -0,0 +1,33 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+type Version struct {
+	Version   string
+	Commit    string
+	BuildTime string
+}
+
+var version *Version
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "print the version number and exit",
+	Run:   printVersion,
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}
+
+func printVersion(cmd *cobra.Command, args []string) {
+	fmt.Printf("runecs %s\n", version.Version)
+}
+
+func SetVersion(v *Version) {
+	version = v
+}

main.go

@@ -16,6 +16,18 @@ package main
 
 import "runecs.io/v1/cmd"
 
+var (
+	version   = "No version provided"
+	commit    = "No commit provided"
+	buildTime = "No build timestamp provided"
+)
+
 func main() {
+	cmd.SetVersion(&cmd.Version{
+		Version:   version,
+		Commit:    commit,
+		BuildTime: buildTime,
+	})
+
 	cmd.Execute()
 }