Refs #118, added suspend/zzz command with different variants how to p…

…rocess the command.

src/config.go

@@ -56,6 +56,7 @@ type config struct {
 	SelectLastUser      enSelectLastUser `config:"SELECT_LAST_USER" parser:"ParseSelectLastUser" default:"false"`
 	CmdPoweroff         string           `config:"CMD_POWEROFF" parser:"SanitizeValue" default:"poweroff"`
 	CmdReboot           string           `config:"CMD_REBOOT" parser:"SanitizeValue" default:"reboot"`
+	CmdSuspend          string           `config:"CMD_SUSPEND" parser:"SanitizeValue" default:""`
 }
 
 // LoadConfig handles loading of application configuration.

src/emptty.go

@@ -190,6 +190,7 @@ Available commands:
   :help, :?			print this help
   :poweroff, :shutdown		process poweroff command
   :reboot			process reboot command
+  :suspend, :zzz		process suspend command
 `)
 		waitForReturnToExit(0)
 	case "poweroff", "shutdown":
@@ -204,6 +205,29 @@ Available commands:
 		} else {
 			waitForReturnToExit(0)
 		}
+	case "suspend", "zzz":
+		var variants []string
+		if c.CmdSuspend != "" {
+			variants = append(variants, c.CmdSuspend)
+		}
+		variants = append(variants, "zzz")
+		variants = append(variants, "systemctl suspend")
+		variants = append(variants, "loginctl suspend")
+
+		var err error
+		for _, v := range variants {
+			if err = processCommandAsCmd(v); err != nil {
+				continue
+			} else {
+				break
+			}
+		}
+
+		if err != nil {
+			handleErr(err)
+		} else {
+			waitForReturnToExit(0)
+		}
 	default:
 		handleStrErr(fmt.Sprintf("Unknown command '%s'", command))
 	}