Add --quiet and --config flags (arduino#1497)

* Added silent mode for monitor

* Added --config flag to monitor command

* fix i18n

* Applied review suggestions

* rename --silent to --quiet
* removed useless 'settings' variable
* translation string for "Monitor port settings" in CLI mode

Author: cmaglie

Diff for: cli/monitor/monitor.go

@@ -18,6 +18,7 @@ package monitor
 import (
 	"context"
 	"errors"
+	"fmt"
 	"io"
 	"os"
 	"sort"
@@ -28,6 +29,7 @@ import (
 	"github.com/arduino/arduino-cli/cli/feedback"
 	"github.com/arduino/arduino-cli/cli/instance"
 	"github.com/arduino/arduino-cli/commands/monitor"
+	"github.com/arduino/arduino-cli/configuration"
 	"github.com/arduino/arduino-cli/i18n"
 	rpc "github.com/arduino/arduino-cli/rpc/cc/arduino/cli/commands/v1"
 	"github.com/arduino/arduino-cli/table"
@@ -39,6 +41,8 @@ var tr = i18n.Tr
 
 var portArgs arguments.Port
 var describe bool
+var configs []string
+var quiet bool
 
 // NewCommand created a new `monitor` command
 func NewCommand() *cobra.Command {
@@ -53,13 +57,19 @@ func NewCommand() *cobra.Command {
 	}
 	portArgs.AddToCommand(cmd)
 	cmd.Flags().BoolVar(&describe, "describe", false, tr("Show all the settings of the communication port."))
+	cmd.Flags().StringSliceVarP(&configs, "config", "c", []string{}, tr("Configuration of the port."))
+	cmd.Flags().BoolVarP(&quiet, "quiet", "q", false, tr("Run in silent mode, show only monitor input and output."))
 	cmd.MarkFlagRequired("port")
 	return cmd
 }
 
 func runMonitorCmd(cmd *cobra.Command, args []string) {
 	instance := instance.CreateAndInit()
 
+	if !configuration.HasConsole {
+		quiet = true
+	}
+
 	port, err := portArgs.GetPort(instance, nil)
 	if err != nil {
 		feedback.Error(err)
@@ -87,10 +97,63 @@ func runMonitorCmd(cmd *cobra.Command, args []string) {
 	}
 	defer tty.Close()
 
+	configuration := &rpc.MonitorPortConfiguration{}
+	if len(configs) > 0 {
+		resp, err := monitor.EnumerateMonitorPortSettings(context.Background(), &rpc.EnumerateMonitorPortSettingsRequest{
+			Instance: instance,
+			Port:     port.ToRPC(),
+			Fqbn:     "",
+		})
+		if err != nil {
+			feedback.Error(err)
+			os.Exit(errorcodes.ErrGeneric)
+		}
+		for _, config := range configs {
+			split := strings.SplitN(config, "=", 2)
+			k := ""
+			v := config
+			if len(split) == 2 {
+				k = split[0]
+				v = split[1]
+			}
+
+			var setting *rpc.MonitorPortSettingDescriptor
+			for _, s := range resp.GetSettings() {
+				if k == "" {
+					if contains(s.EnumValues, v) {
+						setting = s
+						break
+					}
+				} else {
+					if strings.EqualFold(s.SettingId, k) {
+						if !contains(s.EnumValues, v) {
+							feedback.Error(tr("invalid port configuration value for %s: %s", k, v))
+							os.Exit(errorcodes.ErrBadArgument)
+						}
+						setting = s
+						break
+					}
+				}
+			}
+			if setting == nil {
+				feedback.Error(tr("invalid port configuration: %s", config))
+				os.Exit(errorcodes.ErrBadArgument)
+			}
+			configuration.Settings = append(configuration.Settings, &rpc.MonitorPortSetting{
+				SettingId: setting.SettingId,
+				Value:     v,
+			})
+			if !quiet {
+				feedback.Print(tr("Monitor port settings:"))
+				feedback.Print(fmt.Sprintf("%s=%s", setting.SettingId, v))
+			}
+		}
+	}
 	portProxy, _, err := monitor.Monitor(context.Background(), &rpc.MonitorRequest{
-		Instance: instance,
-		Port:     port.ToRPC(),
-		Fqbn:     "",
+		Instance:          instance,
+		Port:              port.ToRPC(),
+		Fqbn:              "",
+		PortConfiguration: configuration,
 	})
 	if err != nil {
 		feedback.Error(err)
@@ -114,7 +177,9 @@ func runMonitorCmd(cmd *cobra.Command, args []string) {
 		cancel()
 	}()
 
-	feedback.Print(tr("Connected to %s! Press CTRL-C to exit.", port.String()))
+	if !quiet {
+		feedback.Print(tr("Connected to %s! Press CTRL-C to exit.", port.String()))
+	}
 
 	// Wait for port closed
 	<-ctx.Done()
@@ -141,3 +206,12 @@ func (r *detailsResult) String() string {
 	}
 	return t.Render()
 }
+
+func contains(s []string, searchterm string) bool {
+	for _, item := range s {
+		if strings.EqualFold(item, searchterm) {
+			return true
+		}
+	}
+	return false
+}

Diff for: i18n/data/en.po

@@ -407,6 +407,10 @@ msgstr "Config file already exists, use --overwrite to discard the existing one.
 msgid "Config file written to: %s"
 msgstr "Config file written to: %s"
 
+#: cli/monitor/monitor.go:60
+msgid "Configuration of the port."
+msgstr "Configuration of the port."
+
 #: cli/debug/debug.go:153
 msgid "Configuration options for %s"
 msgstr "Configuration options for %s"
@@ -423,7 +427,7 @@ msgstr "Configuring platform."
 msgid "Connected"
 msgstr "Connected"
 
-#: cli/monitor/monitor.go:117
+#: cli/monitor/monitor.go:181
 msgid "Connected to %s! Press CTRL-C to exit."
 msgstr "Connected to %s! Press CTRL-C to exit."
 
@@ -500,7 +504,7 @@ msgstr "Debugging not supported for board %s"
 msgid "Debugging supported:"
 msgstr "Debugging supported:"
 
-#: cli/monitor/monitor.go:134
+#: cli/monitor/monitor.go:199
 msgid "Default"
 msgstr "Default"
 
@@ -786,7 +790,7 @@ msgstr "Error getting information for library %s"
 msgid "Error getting libraries info: %v"
 msgstr "Error getting libraries info: %v"
 
-#: cli/monitor/monitor.go:76
+#: cli/monitor/monitor.go:86
 msgid "Error getting port settings details: %s"
 msgstr "Error getting port settings details: %s"
 
@@ -1134,7 +1138,7 @@ msgstr "Global variables use {0} bytes of dynamic memory."
 
 #: cli/core/list.go:84
 #: cli/core/search.go:114
-#: cli/monitor/monitor.go:134
+#: cli/monitor/monitor.go:199
 #: cli/outdated/outdated.go:62
 msgid "ID"
 msgstr "ID"
@@ -1471,6 +1475,10 @@ msgstr "Missing sketch path"
 msgid "Monitor '%s' not found"
 msgstr "Monitor '%s' not found"
 
+#: cli/monitor/monitor.go:147
+msgid "Monitor port settings:"
+msgstr "Monitor port settings:"
+
 #: legacy/builder/print_used_and_not_used_libraries.go:50
 msgid "Multiple libraries were found for \"{0}\""
 msgstr "Multiple libraries were found for \"{0}\""
@@ -1572,8 +1580,8 @@ msgstr "OS:"
 msgid "Official Arduino board:"
 msgstr "Official Arduino board:"
 
-#: cli/monitor/monitor.go:47
-#: cli/monitor/monitor.go:48
+#: cli/monitor/monitor.go:51
+#: cli/monitor/monitor.go:52
 msgid "Open a communication port with a board."
 msgstr "Open a communication port with a board."
 
@@ -1723,8 +1731,8 @@ msgstr "Platform size (bytes):"
 msgid "Port"
 msgstr "Port"
 
-#: cli/monitor/monitor.go:105
-#: cli/monitor/monitor.go:112
+#: cli/monitor/monitor.go:168
+#: cli/monitor/monitor.go:175
 msgid "Port closed:"
 msgstr "Port closed:"
 
@@ -1807,6 +1815,10 @@ msgstr "Required tool:"
 msgid "Run as a daemon on port: %s"
 msgstr "Run as a daemon on port: %s"
 
+#: cli/monitor/monitor.go:61
+msgid "Run in silent mode, show only monitor input and output."
+msgstr "Run in silent mode, show only monitor input and output."
+
 #: cli/daemon/daemon.go:51
 msgid "Running as a daemon the initialization of cores and libraries is done only once."
 msgstr "Running as a daemon the initialization of cores and libraries is done only once."
@@ -1861,7 +1873,7 @@ msgstr "Sets a setting value."
 msgid "Sets where to save the configuration file."
 msgstr "Sets where to save the configuration file."
 
-#: cli/monitor/monitor.go:134
+#: cli/monitor/monitor.go:199
 msgid "Setting"
 msgstr "Setting"
 
@@ -1878,7 +1890,7 @@ msgstr "Show all available core versions."
 msgid "Show all build properties used instead of compiling."
 msgstr "Show all build properties used instead of compiling."
 
-#: cli/monitor/monitor.go:55
+#: cli/monitor/monitor.go:59
 msgid "Show all the settings of the communication port."
 msgstr "Show all the settings of the communication port."
 
@@ -2336,7 +2348,7 @@ msgstr "VERSION"
 msgid "VERSION_NUMBER"
 msgstr "VERSION_NUMBER"
 
-#: cli/monitor/monitor.go:134
+#: cli/monitor/monitor.go:199
 msgid "Values"
 msgstr "Values"
 
@@ -2843,6 +2855,14 @@ msgstr "invalid platform archive size: %s"
 msgid "invalid pluggable monitor reference: %s"
 msgstr "invalid pluggable monitor reference: %s"
 
+#: cli/monitor/monitor.go:130
+msgid "invalid port configuration value for %s: %s"
+msgstr "invalid port configuration value for %s: %s"
+
+#: cli/monitor/monitor.go:139
+msgid "invalid port configuration: %s"
+msgstr "invalid port configuration: %s"
+
 #: commands/upload/upload.go:483
 msgid "invalid recipe '%[1]s': %[2]s"
 msgstr "invalid recipe '%[1]s': %[2]s"