Add version command

cmd/root.go

@@ -20,8 +20,8 @@ var configPath = ".circleci/config.yml"
 // sets flags appropriately. This function is called
 // by main.main(). It only needs to happen once to
 // the RootCmd.
-func Execute() {
-	command := MakeCommands()
+func Execute(version, commit string) {
+	command := MakeCommands(version, commit)
 	if err := command.Execute(); err != nil {
 		os.Exit(-1)
 	}
@@ -32,7 +32,7 @@ func Execute() {
 var Logger *logger.Logger
 
 // MakeCommands creates the top level commands
-func MakeCommands() *cobra.Command {
+func MakeCommands(version, commit string) *cobra.Command {
 
 	rootCmd := &cobra.Command{
 		Use:   "circleci",
@@ -47,6 +47,7 @@ func MakeCommands() *cobra.Command {
 	rootCmd.AddCommand(newConfigCommand())
 	rootCmd.AddCommand(newOrbCommand())
 	rootCmd.AddCommand(newBuildCommand())
+	rootCmd.AddCommand(newVersionCommand(version, commit))
 	rootCmd.PersistentFlags().BoolP("verbose", "v", false, "Enable verbose logging.")
 	rootCmd.PersistentFlags().StringP("endpoint", "e", defaultEndpoint, "the endpoint of your CircleCI GraphQL API")
 	rootCmd.PersistentFlags().StringP("token", "t", "", "your token for using CircleCI")

cmd/root_test.go

@@ -15,8 +15,8 @@ var _ = Describe("Root", func() {
 	Describe("subcommands", func() {
 
 		It("can create commands", func() {
-			commands := cmd.MakeCommands()
-			Expect(len(commands.Commands())).To(Equal(7))
+			commands := cmd.MakeCommands("foo", "bar")
+			Expect(len(commands.Commands())).To(Equal(8))
 		})
 
 	})

cmd/version.go

@@ -0,0 +1,14 @@
+package cmd
+
+import "github.com/spf13/cobra"
+
+func newVersionCommand(version, commit string) *cobra.Command {
+	return &cobra.Command{
+		Use:   "version",
+		Short: "Display version information",
+		Run: func(cmd *cobra.Command, args []string) {
+			Logger.Infof("%s (%s)", version, commit)
+		},
+	}
+
+}

main.go

@@ -4,7 +4,15 @@ import (
 	"github.com/CircleCI-Public/circleci-cli/cmd"
 )
 
+// vars set automartically by `goreleaser`:
+var (
+	// Current Git tag (the v prefix is stripped) or the name of the snapshot, if you’re using the --snapshot flag
+	version = "local-dev-build"
+	// Current git commit SHA
+	commit = "dirty-local-tree"
+)
+
 func main() {
 	// See cmd/root.go for Execute()
-	cmd.Execute()
+	cmd.Execute(version, commit)
 }