alibaba/kt-connect

package config

import (
    "fmt"
    "github.com/spf13/cobra"
)

var unsetAll bool

func Unset(args []string) error {
    if unsetAll {
        return saveConfig(make(map[string]map[string]string))
    }
    if len(args) < 1 {
        return fmt.Errorf("must specifiy a config item")
    }
    config, err := loadConfig()
    if err != nil {
        return fmt.Errorf("config file is damaged, please try repair it or use 'ktctl config unset --all'")
    }
    for _, item := range args {
        err = unsetConfigValue(config, item)
        if err != nil {
            return fmt.Errorf("%s, please check available config items with 'ktctl config show --all'", err)
        }
    }
    return saveConfig(config)
}

func UnsetHandle(cmd *cobra.Command) {
    cmd.Flags().BoolVarP(&unsetAll, "all", "a", false, "Unset all config options")
    cmd.ValidArgsFunction = configValidator
}

func unsetConfigValue(config map[string]map[string]string, key string) error {
    group, item, err := parseConfigItem(key)
    if err != nil {
        return err
    }
    if _, exist := config[group]; exist {
        delete(config[group], item)
    }
    return nil
}