Add profile set-default command

Sets the default profile to the provided existing profile.

Author: MatteoPologruto

commands/service_profile_set_default.go

@@ -0,0 +1,55 @@
+// This file is part of arduino-cli.
+//
+// Copyright 2025 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 license@arduino.cc.
+
+package commands
+
+import (
+	"context"
+
+	"github.com/arduino/arduino-cli/commands/cmderrors"
+	"github.com/arduino/arduino-cli/internal/arduino/sketch"
+	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
+	paths "github.com/arduino/go-paths-helper"
+)
+
+func (s *arduinoCoreServerImpl) ProfileSetDefault(ctx context.Context, req *rpc.ProfileSetDefaultRequest) (*rpc.ProfileSetDefaultResponse, error) {
+	if req.GetProfileName() == "" {
+		return nil, &cmderrors.MissingProfileError{}
+	}
+
+	sketchPath := paths.New(req.GetSketchPath())
+	projectFilePath, err := sketchPath.Join("sketch.yaml").Abs()
+	if err != nil {
+		return nil, err
+	}
+
+	// Returns an error if the main file is missing from the sketch so there is no need to check if the path exists
+	sk, err := sketch.New(sketchPath)
+	if err != nil {
+		return nil, err
+	}
+
+	if _, err := sk.GetProfile(req.GetProfileName()); err != nil {
+		return nil, err
+	}
+
+	sk.Project.DefaultProfile = req.GetProfileName()
+	err = projectFilePath.WriteFile([]byte(sk.Project.AsYaml()))
+	if err != nil {
+		return nil, err
+	}
+
+	return &rpc.ProfileSetDefaultResponse{}, nil
+}

internal/cli/profile/profile.go

@@ -39,6 +39,7 @@ func NewCommand(srv rpc.ArduinoCoreServiceServer) *cobra.Command {
 
 	profileCommand.AddCommand(initInitCommand(srv))
 	profileCommand.AddCommand(initLibCommand(srv))
+	profileCommand.AddCommand(initSetDefaultCommand(srv))
 
 	return profileCommand
 }

internal/cli/profile/set_default.go

@@ -0,0 +1,56 @@
+// This file is part of arduino-cli.
+//
+// Copyright 2025 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 license@arduino.cc.
+
+package profile
+
+import (
+	"context"
+	"os"
+
+	"github.com/arduino/arduino-cli/internal/cli/arguments"
+	"github.com/arduino/arduino-cli/internal/cli/feedback"
+	"github.com/arduino/arduino-cli/internal/i18n"
+	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
+	"github.com/spf13/cobra"
+)
+
+func initSetDefaultCommand(srv rpc.ArduinoCoreServiceServer) *cobra.Command {
+	var destDir string
+	setDefaultCommand := &cobra.Command{
+		Use:   "set-default",
+		Short: i18n.Tr("Sets the default profile."),
+		Long:  i18n.Tr("Sets the default profile."),
+		Example: "" +
+			"  " + os.Args[0] + " profile set-default my_profile\n",
+		Args: cobra.ExactArgs(1),
+		Run: func(cmd *cobra.Command, args []string) {
+			runSetDefaultCommand(cmd.Context(), args, srv, destDir)
+		},
+	}
+
+	setDefaultCommand.Flags().StringVar(&destDir, "dest-dir", "", i18n.Tr("Location of the project file."))
+
+	return setDefaultCommand
+}
+
+func runSetDefaultCommand(ctx context.Context, args []string, srv rpc.ArduinoCoreServiceServer, destDir string) {
+	profileName := args[0]
+	sketchPath := arguments.InitSketchPath(destDir)
+
+	_, err := srv.ProfileSetDefault(ctx, &rpc.ProfileSetDefaultRequest{SketchPath: sketchPath.String(), ProfileName: profileName})
+	if err != nil {
+		feedback.Fatal(i18n.Tr("Cannot set %s as default profile: %v", profileName, err), feedback.ErrGeneric)
+	}
+}

internal/integrationtest/profiles/profiles_test.go

@@ -365,3 +365,42 @@ func TestProfileLibSpecificProfile(t *testing.T) {
 	require.NoError(t, err)
 	require.NotContains(t, string(fileContent), "- Modulino (0.5.0)")
 }
+
+func TestProfileSetDefault(t *testing.T) {
+	env, cli := integrationtest.CreateArduinoCLIWithEnvironment(t)
+	defer env.CleanUp()
+
+	// Init the environment explicitly
+	_, _, err := cli.Run("core", "update-index")
+	require.NoError(t, err)
+
+	_, _, err = cli.Run("sketch", "new", cli.SketchbookDir().Join("Simple").String())
+	require.NoError(t, err)
+
+	_, _, err = cli.Run("core", "install", "arduino:avr")
+	require.NoError(t, err)
+
+	_, _, err = cli.Run("profile", "init", cli.SketchbookDir().Join("Simple").String(), "-m", "Uno", "-b", "arduino:avr:uno")
+	require.NoError(t, err)
+
+	// Add a second profile
+	_, _, err = cli.Run("profile", "init", cli.SketchbookDir().Join("Simple").String(), "-m", "my_profile", "-b", "arduino:avr:uno")
+	require.NoError(t, err)
+	fileContent, err := cli.SketchbookDir().Join("Simple", "sketch.yaml").ReadFileAsLines()
+	require.NoError(t, err)
+	require.Contains(t, fileContent, "default_profile: Uno")
+	require.NotContains(t, fileContent, "default_profile: my_profile")
+
+	// Change default profile
+	_, _, err = cli.Run("profile", "set-default", "my_profile", "--dest-dir", cli.SketchbookDir().Join("Simple").String())
+	require.NoError(t, err)
+	fileContent, err = cli.SketchbookDir().Join("Simple", "sketch.yaml").ReadFileAsLines()
+	require.NoError(t, err)
+	require.NotContains(t, fileContent, "default_profile: Uno")
+	require.Contains(t, fileContent, "default_profile: my_profile")
+
+	// Changing to an inexistent profile returns an error
+	_, stderr, err := cli.Run("profile", "set-default", "inexistent_profile", "--dest-dir", cli.SketchbookDir().Join("Simple").String())
+	require.Error(t, err)
+	require.Equal(t, "Cannot set inexistent_profile as default profile: Profile 'inexistent_profile' not found\n", string(stderr))
+}