Added helper function to extract parsed version from RPC requests

cli/core/args.go

@@ -22,15 +22,20 @@ import (
 	"os"
 	"strings"
 
-	"github.com/arduino/arduino-cli/arduino/cores/packagemanager"
 	"github.com/arduino/arduino-cli/cli"
 	"github.com/arduino/arduino-cli/common/formatter"
-	semver "go.bug.st/relaxed-semver"
 )
 
-// parsePlatformReferenceArgs parses a sequence of "packager:arch@version" tokens and returns a platformReference slice.
-func parsePlatformReferenceArgs(args []string) []*packagemanager.PlatformReference {
-	ret := []*packagemanager.PlatformReference{}
+type platformReferenceArg struct {
+	Package      string
+	Architecture string
+	Version      string
+}
+
+// parsePlatformReferenceArgs parses a sequence of "packager:arch@version" tokens and
+// returns a platformReferenceArg slice.
+func parsePlatformReferenceArgs(args []string) []*platformReferenceArg {
+	ret := []*platformReferenceArg{}
 	for _, arg := range args {
 		reference, err := parsePlatformReferenceArg(arg)
 		if err != nil {
@@ -42,24 +47,21 @@ func parsePlatformReferenceArgs(args []string) []*packagemanager.PlatformReferen
 	return ret
 }
 
-func parsePlatformReferenceArg(arg string) (*packagemanager.PlatformReference, error) {
+func parsePlatformReferenceArg(arg string) (*platformReferenceArg, error) {
 	split := strings.SplitN(arg, "@", 2)
 	arg = split[0]
-	var version *semver.Version
+	version := ""
 	if len(split) > 1 {
-		if ver, err := semver.Parse(split[1]); err == nil {
-			version = ver
-		} else {
-			return nil, fmt.Errorf("invalid version: %s", err)
-		}
+		version = split[1]
 	}
+
 	split = strings.Split(arg, ":")
 	if len(split) != 2 {
 		return nil, fmt.Errorf("invalid item %s", arg)
 	}
-	return &packagemanager.PlatformReference{
-		Package:              split[0],
-		PlatformArchitecture: split[1],
-		PlatformVersion:      version,
+	return &platformReferenceArg{
+		Package:      split[0],
+		Architecture: split[1],
+		Version:      version,
 	}, nil
 }

cli/core/args_test.go

@@ -31,8 +31,8 @@ func TestParsePlatformReferenceArgs(t *testing.T) {
 		ref, err := parsePlatformReferenceArg(arg)
 		require.NoError(t, err)
 		require.Equal(t, pack, ref.Package)
-		require.Equal(t, arch, ref.PlatformArchitecture)
-		require.Equal(t, version, ref.PlatformVersion)
+		require.Equal(t, arch, ref.Architecture)
+		require.Equal(t, version.String(), ref.Version)
 	}
 	invalid := func(arg string) {
 		_, err := parsePlatformReferenceArg(arg)

cli/core/download.go

@@ -48,15 +48,15 @@ func runDownloadCommand(cmd *cobra.Command, args []string) {
 	logrus.Info("Executing `arduino core download`")
 
 	platformsRefs := parsePlatformReferenceArgs(args)
-	for _, platformRef := range platformsRefs {
+	for i, platformRef := range platformsRefs {
 		_, err := core.PlatformDownload(context.Background(), &rpc.PlatformDownloadReq{
 			Instance:        instance,
 			PlatformPackage: platformRef.Package,
-			Architecture:    platformRef.PlatformArchitecture,
-			Version:         platformRef.PlatformVersion.String(),
+			Architecture:    platformRef.Architecture,
+			Version:         platformRef.Version,
 		}, cli.OutputProgressBar())
 		if err != nil {
-			formatter.PrintError(err, "Error downloading "+platformRef.String())
+			formatter.PrintError(err, "Error downloading "+args[i])
 			os.Exit(cli.ErrNetwork)
 		}
 	}

cli/core/install.go

@@ -54,8 +54,8 @@ func runInstallCommand(cmd *cobra.Command, args []string) {
 		_, err := core.PlatformInstall(context.Background(), &rpc.PlatformInstallReq{
 			Instance:        instance,
 			PlatformPackage: platformRef.Package,
-			Architecture:    platformRef.PlatformArchitecture,
-			Version:         platformRef.PlatformVersion.String(),
+			Architecture:    platformRef.Architecture,
+			Version:         platformRef.Version,
 		}, cli.OutputProgressBar(), cli.OutputTaskProgress())
 		if err != nil {
 			formatter.PrintError(err, "Error during install")

cli/core/uninstall.go

@@ -51,8 +51,8 @@ func runUninstallCommand(cmd *cobra.Command, args []string) {
 		_, err := core.PlatformUninstall(context.Background(), &rpc.PlatformUninstallReq{
 			Instance:        instance,
 			PlatformPackage: platformRef.Package,
-			Architecture:    platformRef.PlatformArchitecture,
-			Version:         platformRef.PlatformVersion.String(),
+			Architecture:    platformRef.Architecture,
+			Version:         platformRef.Version,
 		}, output.NewTaskProgressCB())
 		if err != nil {
 			formatter.PrintError(err, "Error during uninstall")

cli/core/upgrade.go

@@ -53,8 +53,8 @@ func runUpgradeCommand(cmd *cobra.Command, args []string) {
 		_, err := core.PlatformUpgrade(context.Background(), &rpc.PlatformUpgradeReq{
 			Instance:        instance,
 			PlatformPackage: platformRef.Package,
-			Architecture:    platformRef.PlatformArchitecture,
-			Version:         platformRef.PlatformVersion.String(),
+			Architecture:    platformRef.Architecture,
+			Version:         platformRef.Version,
 		}, cli.OutputProgressBar(), cli.OutputTaskProgress())
 		if err != nil {
 			formatter.PrintError(err, "Error during upgrade")

commands/core/download.go

@@ -26,7 +26,6 @@ import (
 	"github.com/arduino/arduino-cli/arduino/cores/packagemanager"
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/rpc"
-	semver "go.bug.st/relaxed-semver"
 )
 
 func PlatformDownload(ctx context.Context, req *rpc.PlatformDownloadReq, downloadCB commands.DownloadProgressCB) (*rpc.PlatformDownloadResp, error) {
@@ -35,13 +34,9 @@ func PlatformDownload(ctx context.Context, req *rpc.PlatformDownloadReq, downloa
 		return nil, errors.New("invalid instance")
 	}
 
-	var version *semver.Version
-	if req.GetVersion() != "" {
-		if v, err := semver.Parse(req.GetVersion()); err == nil {
-			version = v
-		} else {
-			return nil, fmt.Errorf("invalid version: %s", err)
-		}
+	version, err := commands.ParseVersion(req)
+	if err != nil {
+		return nil, fmt.Errorf("invalid version: %s", err)
 	}
 
 	platform, tools, err := pm.FindPlatformReleaseDependencies(&packagemanager.PlatformReference{

commands/core/install.go

@@ -26,7 +26,6 @@ import (
 	"github.com/arduino/arduino-cli/arduino/cores/packagemanager"
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/rpc"
-	semver "go.bug.st/relaxed-semver"
 )
 
 func PlatformInstall(ctx context.Context, req *rpc.PlatformInstallReq,
@@ -37,13 +36,9 @@ func PlatformInstall(ctx context.Context, req *rpc.PlatformInstallReq,
 		return nil, errors.New("invalid instance")
 	}
 
-	var version *semver.Version
-	if req.GetVersion() != "" {
-		if v, err := semver.Parse(req.GetVersion()); err == nil {
-			version = v
-		} else {
-			return nil, fmt.Errorf("invalid version: %s", err)
-		}
+	version, err := commands.ParseVersion(req)
+	if err != nil {
+		return nil, fmt.Errorf("invalid version: %s", err)
 	}
 
 	platform, tools, err := pm.FindPlatformReleaseDependencies(&packagemanager.PlatformReference{

commands/core/uninstall.go

@@ -26,7 +26,6 @@ import (
 	"github.com/arduino/arduino-cli/arduino/cores/packagemanager"
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/rpc"
-	semver "go.bug.st/relaxed-semver"
 )
 
 func PlatformUninstall(ctx context.Context, req *rpc.PlatformUninstallReq, taskCB commands.TaskProgressCB) (*rpc.PlatformUninstallResp, error) {
@@ -36,7 +35,7 @@ func PlatformUninstall(ctx context.Context, req *rpc.PlatformUninstallReq, taskC
 	}
 
 	// If no version is specified consider the installed
-	version, err := semver.Parse(req.Version)
+	version, err := commands.ParseVersion(req)
 	if err != nil {
 		return nil, fmt.Errorf("invalid version: %s", err)
 	}

commands/core/upgrade.go

@@ -25,7 +25,6 @@ import (
 	"github.com/arduino/arduino-cli/arduino/cores/packagemanager"
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/rpc"
-	semver "go.bug.st/relaxed-semver"
 )
 
 func PlatformUpgrade(ctx context.Context, req *rpc.PlatformUpgradeReq,
@@ -37,26 +36,20 @@ func PlatformUpgrade(ctx context.Context, req *rpc.PlatformUpgradeReq,
 	}
 
 	// Extract all PlatformReference to platforms that have updates
-	var version *semver.Version
-	if req.Version != "" {
-		if v, err := semver.Parse(req.Version); err == nil {
-			version = v
-		} else {
-			return nil, fmt.Errorf("invalid version: %s", err)
-		}
+	version, err := commands.ParseVersion(req)
+	if err != nil {
+		return nil, fmt.Errorf("invalid version: %s", err)
 	}
 
 	ref := &packagemanager.PlatformReference{
 		Package:              req.PlatformPackage,
 		PlatformArchitecture: req.Architecture,
 		PlatformVersion:      version}
-	err := upgradePlatform(pm, ref, downloadCB, taskCB)
-	if err != nil {
+	if err := upgradePlatform(pm, ref, downloadCB, taskCB); err != nil {
 		return nil, err
 	}
 
-	_, err = commands.Rescan(ctx, &rpc.RescanReq{Instance: req.Instance})
-	if err != nil {
+	if _, err := commands.Rescan(ctx, &rpc.RescanReq{Instance: req.Instance}); err != nil {
 		return nil, err
 	}
 

commands/lib/download.go

@@ -26,7 +26,6 @@ import (
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/rpc"
 	"github.com/sirupsen/logrus"
-	semver "go.bug.st/relaxed-semver"
 )
 
 func LibraryDownload(ctx context.Context, req *rpc.LibraryDownloadReq, downloadCB commands.DownloadProgressCB) (*rpc.LibraryDownloadResp, error) {
@@ -36,13 +35,9 @@ func LibraryDownload(ctx context.Context, req *rpc.LibraryDownloadReq, downloadC
 
 	logrus.Info("Preparing download")
 
-	var version *semver.Version
-	if req.GetVersion() != "" {
-		if v, err := semver.Parse(req.GetVersion()); err == nil {
-			version = v
-		} else {
-			return nil, fmt.Errorf("invalid version: %s", err)
-		}
+	version, err := commands.ParseVersion(req)
+	if err != nil {
+		return nil, fmt.Errorf("invalid version: %s", err)
 	}
 
 	ref := &librariesindex.Reference{Name: req.GetName(), Version: version}

commands/lib/install.go

@@ -25,21 +25,18 @@ import (
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/rpc"
 	"github.com/sirupsen/logrus"
-	semver "go.bug.st/relaxed-semver"
 )
 
 func LibraryInstall(ctx context.Context, req *rpc.LibraryInstallReq,
 	downloadCB commands.DownloadProgressCB, taskCB commands.TaskProgressCB) error {
 
 	lm := commands.GetLibraryManager(req)
-	var version *semver.Version
-	if req.GetVersion() != "" {
-		if v, err := semver.Parse(req.GetVersion()); err == nil {
-			version = v
-		} else {
-			return fmt.Errorf("invalid version: %s", err)
-		}
+
+	version, err := commands.ParseVersion(req)
+	if err != nil {
+		return fmt.Errorf("invalid version: %s", err)
 	}
+
 	ref := &librariesindex.Reference{Name: req.GetName(), Version: version}
 	libRelease := lm.Index.FindRelease(ref)
 	if libRelease == nil {

commands/lib/uninstall.go

@@ -24,19 +24,16 @@ import (
 	"github.com/arduino/arduino-cli/arduino/libraries/librariesindex"
 	"github.com/arduino/arduino-cli/commands"
 	"github.com/arduino/arduino-cli/rpc"
-	semver "go.bug.st/relaxed-semver"
 )
 
 func LibraryUninstall(ctx context.Context, req *rpc.LibraryUninstallReq, taskCB commands.TaskProgressCB) error {
 	lm := commands.GetLibraryManager(req)
-	var version *semver.Version
-	if req.GetVersion() != "" {
-		if v, err := semver.Parse(req.GetVersion()); err == nil {
-			version = v
-		} else {
-			return fmt.Errorf("invalid version: %s", err)
-		}
+
+	version, err := commands.ParseVersion(req)
+	if err != nil {
+		return fmt.Errorf("invalid version: %s", err)
 	}
+
 	ref := &librariesindex.Reference{Name: req.GetName(), Version: version}
 	lib := lm.FindByReference(ref)
 	if lib == nil {

commands/version.go

@@ -0,0 +1,36 @@
+//
+// This file is part of arduino-cli.
+//
+// Copyright 2018 ARDUINO SA (http://www.arduino.cc/)
+//
+// This software is released under the GNU General Public License version 3,
+// which covers the main part of arduino-cli.
+// The terms of this license can be found at:
+// https://www.gnu.org/licenses/gpl-3.0.en.html
+//
+// You can be released from the requirements of the above licenses by purchasing
+// a commercial license. Buying such a license is mandatory if you want to modify or
+// otherwise use the software for commercial activities involving the Arduino
+// software without disclosing the source code of your own applications. To purchase
+// a commercial license, send an email to [email protected].
+//
+
+package commands
+
+import (
+	semver "go.bug.st/relaxed-semver"
+)
+
+// Versioned is an object that provides a GetVersion() method
+type Versioned interface {
+	GetVersion() string
+}
+
+// ParseVersion returns the version parsed from an interface that provides
+// the GetVersion() method (interface Versioned)
+func ParseVersion(req Versioned) (*semver.Version, error) {
+	if req.GetVersion() != "" {
+		return semver.Parse(req.GetVersion())
+	}
+	return nil, nil
+}