Implemented Version grpc command

Author: cmaglie

cli/root/root.go

@@ -32,7 +32,7 @@ import (
 	"github.com/arduino/arduino-cli/commands/config"
 	"github.com/arduino/arduino-cli/commands/generatedocs"
 	"github.com/arduino/arduino-cli/commands/sketch"
-	"github.com/arduino/arduino-cli/commands/version"
+	"github.com/arduino/arduino-cli/cli/version"
 	"github.com/arduino/arduino-cli/common/formatter"
 	"github.com/arduino/arduino-cli/configs"
 	paths "github.com/arduino/go-paths-helper"
@@ -42,7 +42,7 @@ import (
 	"golang.org/x/crypto/ssh/terminal"
 )
 
-// Init prepares the cobra root command.
+// Init prepares the cobra root command. 
 func Init() *cobra.Command {
 	command := &cobra.Command{
 		Use:              "arduino-cli",

commands/version/version.go renamed to cli/version/version.go

@@ -18,10 +18,9 @@
 package version
 
 import (
+	"fmt"
+
 	"github.com/arduino/arduino-cli/cli"
-	"github.com/arduino/arduino-cli/common/formatter"
-	"github.com/arduino/arduino-cli/common/formatter/output"
-	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 )
 
@@ -38,11 +37,17 @@ func InitCommand() *cobra.Command {
 	return versionCommand
 }
 
+type versionOutput struct {
+	Command string `json:"command"`
+	Version string `json:"version"`
+}
+
 func run(cmd *cobra.Command, args []string) {
-	logrus.Info("Calling version command on `arduino`")
-	versionInfo := output.VersionResult{
-		CommandName: cmd.Parent().Name(),
-		Version:     cli.Version,
+	res := &versionOutput{
+		Command: cmd.Parent().Name(),
+		Version: cli.Version,
+	}
+	if cli.OutputJSONOrElse(res) {
+		fmt.Printf("%s version %s\n", res.Command, res.Version)
 	}
-	formatter.Print(versionInfo)
 }

common/formatter/output/lib_structs.go

@@ -44,6 +44,15 @@ func main() {
 	client := rpc.NewArduinoCoreClient(conn)
 	fmt.Println()
 
+	// VERSION
+	fmt.Println("=== calling Version")
+	versionResp, err := client.Version(context.Background(), &rpc.VersionReq{})
+	if err != nil {
+		fmt.Printf("Error getting version: %s\n", err)
+		os.Exit(1)
+	}
+	fmt.Printf("---> %+v\n\v", versionResp)
+
 	// INIT
 	fmt.Println("=== calling Init")
 	initRespStream, err := client.Init(context.Background(), &rpc.InitReq{

daemon/client/client.go

@@ -26,6 +26,7 @@ import (
 	"log"
 	"net"
 
+	"github.com/arduino/arduino-cli/cli"
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/commands/board"
 	"github.com/arduino/arduino-cli/commands/compile"
@@ -119,6 +120,10 @@ func (s *ArduinoCoreServerImpl) Init(req *rpc.InitReq, stream rpc.ArduinoCore_In
 	return stream.Send(resp)
 }
 
+func (s *ArduinoCoreServerImpl) Version(ctx context.Context, req *rpc.VersionReq) (*rpc.VersionResp, error) {
+	return &rpc.VersionResp{Version: cli.Version}, nil
+}
+
 func (s *ArduinoCoreServerImpl) Compile(req *rpc.CompileReq, stream rpc.ArduinoCore_CompileServer) error {
 	resp, err := compile.Compile(
 		stream.Context(), req,