uniform the usage of vars in board sub-commands

cli/board/attach.go

@@ -30,6 +30,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var searchTimeout string // Expressed in a parsable duration, is the timeout for the list and attach commands.
+
 func initAttachCommand() *cobra.Command {
 	attachCommand := &cobra.Command{
 		Use:   fmt.Sprintf("attach <%s>|<%s> [%s]", tr("port"), tr("FQBN"), tr("sketchPath")),
@@ -41,15 +43,11 @@ func initAttachCommand() *cobra.Command {
 		Args: cobra.RangeArgs(1, 2),
 		Run:  runAttachCommand,
 	}
-	attachCommand.Flags().StringVar(&attachFlags.searchTimeout, "timeout", "5s",
+	attachCommand.Flags().StringVar(&searchTimeout, "timeout", "5s",
 		tr("The connected devices search timeout, raise it if your board doesn't show up (e.g. to %s).", "10s"))
 	return attachCommand
 }
 
-var attachFlags struct {
-	searchTimeout string // Expressed in a parsable duration, is the timeout for the list and attach commands.
-}
-
 func runAttachCommand(cmd *cobra.Command, args []string) {
 	instance := instance.CreateAndInit()
 
@@ -63,7 +61,7 @@ func runAttachCommand(cmd *cobra.Command, args []string) {
 		Instance:      instance,
 		BoardUri:      args[0],
 		SketchPath:    sketchPath.String(),
-		SearchTimeout: attachFlags.searchTimeout,
+		SearchTimeout: searchTimeout,
 	}, output.TaskProgress()); err != nil {
 		feedback.Errorf(tr("Attach board error: %v"), err)
 		os.Exit(errorcodes.ErrGeneric)

cli/board/board.go

@@ -18,9 +18,12 @@ package board
 import (
 	"os"
 
+	"github.com/arduino/arduino-cli/i18n"
 	"github.com/spf13/cobra"
 )
 
+var tr = i18n.Tr
+
 // NewCommand created a new `board` command
 func NewCommand() *cobra.Command {
 	boardCommand := &cobra.Command{

cli/board/details.go

@@ -25,17 +25,17 @@ import (
 	"github.com/arduino/arduino-cli/cli/feedback"
 	"github.com/arduino/arduino-cli/cli/instance"
 	"github.com/arduino/arduino-cli/commands/board"
-	"github.com/arduino/arduino-cli/i18n"
 	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
 	"github.com/arduino/arduino-cli/table"
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
 )
 
-var tr = i18n.Tr
-var showFullDetails bool
-var fqbn string
-var listProgrammers bool
+var (
+	showFullDetails bool
+	fqbn            string
+	listProgrammers bool
+)
 
 func initDetailsCommand() *cobra.Command {
 	var detailsCommand = &cobra.Command{

cli/board/list.go

@@ -31,6 +31,11 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var (
+	timeout time.Duration
+	watch   bool
+)
+
 func initListCommand() *cobra.Command {
 	listCommand := &cobra.Command{
 		Use:     "list",
@@ -41,22 +46,17 @@ func initListCommand() *cobra.Command {
 		Run:     runListCommand,
 	}
 
-	listCommand.Flags().DurationVar(&listFlags.timeout, "timeout", time.Second,
+	listCommand.Flags().DurationVar(&timeout, "timeout", time.Second,
 		tr("The connected devices search timeout, raise it if your board doesn't show up e.g.: 10s"))
-	listCommand.Flags().BoolVarP(&listFlags.watch, "watch", "w", false,
+	listCommand.Flags().BoolVarP(&watch, "watch", "w", false,
 		tr("Command keeps running and prints list of connected boards whenever there is a change."))
 
 	return listCommand
 }
 
-var listFlags struct {
-	timeout time.Duration
-	watch   bool
-}
-
 // runListCommand detects and lists the connected arduino boards
 func runListCommand(cmd *cobra.Command, args []string) {
-	if listFlags.watch {
+	if watch {
 		inst := instance.CreateAndInit()
 		watchList(cmd, inst)
 		os.Exit(0)
@@ -65,7 +65,7 @@ func runListCommand(cmd *cobra.Command, args []string) {
 	inst := instance.CreateAndInit()
 	ports, err := board.List(&rpc.BoardListRequest{
 		Instance: inst,
-		Timeout:  listFlags.timeout.Milliseconds(),
+		Timeout:  timeout.Milliseconds(),
 	})
 	if err != nil {
 		feedback.Errorf(tr("Error detecting boards: %v"), err)

cli/board/listall.go

@@ -30,6 +30,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var showHiddenBoard bool
+
 func initListAllCommand() *cobra.Command {
 	var listAllCommand = &cobra.Command{
 		Use:   fmt.Sprintf("listall [%s]", tr("boardname")),
@@ -46,8 +48,6 @@ for a specific board if you specify the board name`),
 	return listAllCommand
 }
 
-var showHiddenBoard bool
-
 // runListAllCommand list all installed boards
 func runListAllCommand(cmd *cobra.Command, args []string) {
 	inst := instance.CreateAndInit()

cli/board/search.go

@@ -43,21 +43,17 @@ for a specific board if you specify the board name`),
 		Args: cobra.ArbitraryArgs,
 		Run:  runSearchCommand,
 	}
-	searchCommand.Flags().BoolVarP(&searchFlags.showHiddenBoard, "show-hidden", "a", false, tr("Show also boards marked as 'hidden' in the platform"))
+	searchCommand.Flags().BoolVarP(&showHiddenBoard, "show-hidden", "a", false, tr("Show also boards marked as 'hidden' in the platform"))
 	return searchCommand
 }
 
-var searchFlags struct {
-	showHiddenBoard bool
-}
-
 func runSearchCommand(cmd *cobra.Command, args []string) {
 	inst := instance.CreateAndInit()
 
 	res, err := board.Search(context.Background(), &rpc.BoardSearchRequest{
 		Instance:            inst,
 		SearchArgs:          strings.Join(args, " "),
-		IncludeHiddenBoards: searchFlags.showHiddenBoard,
+		IncludeHiddenBoards: showHiddenBoard,
 	})
 	if err != nil {
 		feedback.Errorf(tr("Error searching boards: %v"), err)