cmd/cli add settings set command (evcc-io#12152)

cmd/flags.go

@@ -40,6 +40,7 @@ const (
 
 	flagDigits = "digits"
 	flagDelay  = "delay"
+	flagForce  = "force"
 )
 
 func bind(cmd *cobra.Command, key string, flagName ...string) {

cmd/settings-get.go

@@ -3,9 +3,7 @@ package cmd
 import (
 	"fmt"
 	"os"
-	"os/signal"
 	"regexp"
-	"syscall"
 	"text/tabwriter"
 
 	"github.com/evcc-io/evcc/server/db/settings"
@@ -49,14 +47,4 @@ func runSettingsGet(cmd *cobra.Command, args []string) {
 		fmt.Fprintf(w, "%s:\t%s\n", s.Key, s.Value)
 	}
 	w.Flush()
-
-	// catch signals
-	go func() {
-		signalC := make(chan os.Signal, 1)
-		signal.Notify(signalC, os.Interrupt, syscall.SIGTERM)
-
-		<-signalC // wait for signal
-
-		os.Exit(1)
-	}()
 }

cmd/settings-set.go

@@ -0,0 +1,57 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/evcc-io/evcc/server/db/settings"
+	"github.com/spf13/cobra"
+)
+
+// settingsSetCmd represents the configure command
+var settingsSetCmd = &cobra.Command{
+	Use:   "set",
+	Short: "Set configuration setting",
+	Run:   runSettingsSet,
+	Args:  cobra.ExactArgs(2),
+}
+
+func init() {
+	settingsCmd.AddCommand(settingsSetCmd)
+	settingsSetCmd.Flags().BoolP(flagForce, "f", false, "Force (no confirmation)")
+}
+
+func runSettingsSet(cmd *cobra.Command, args []string) {
+	// load config
+	if err := loadConfigFile(&conf); err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	// setup environment
+	if err := configureEnvironment(cmd, conf); err != nil {
+		log.FATAL.Fatal(err)
+	}
+
+	confirmation, _ := cmd.Flags().GetBool(flagForce)
+	if !confirmation {
+		msg := fmt.Sprintf("Set %s", args[0])
+		if val, _ := settings.String(args[0]); val != "" {
+			msg = fmt.Sprintf("Override %s (current value: %s)", args[0], val)
+		}
+
+		prompt := &survey.Confirm{
+			Message: msg,
+		}
+
+		if err := survey.AskOne(prompt, &confirmation); err != nil {
+			log.FATAL.Fatal(err)
+		}
+	}
+
+	if confirmation {
+		settings.SetString(args[0], args[1])
+	}
+
+	// wait for shutdown
+	<-shutdownDoneC()
+}