github.com/iotexproject/iotex-core@v1.14.1-rc1/ioctl/cmd/alias/aliasremove.go (about)

     1  // Copyright (c) 2022 IoTeX Foundation
     2  // This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
     3  // or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
     4  // This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
     5  
     6  package alias
     7  
     8  import (
     9  	"fmt"
    10  	"os"
    11  
    12  	"github.com/spf13/cobra"
    13  	"gopkg.in/yaml.v2"
    14  
    15  	"github.com/iotexproject/iotex-core/ioctl/config"
    16  	"github.com/iotexproject/iotex-core/ioctl/output"
    17  	"github.com/iotexproject/iotex-core/ioctl/validator"
    18  )
    19  
    20  // Multi-language support
    21  var (
    22  	_removeCmdShorts = map[config.Language]string{
    23  		config.English: "Remove alias",
    24  		config.Chinese: "移除别名",
    25  	}
    26  	_removeCmdUses = map[config.Language]string{
    27  		config.English: "remove ALIAS",
    28  		config.Chinese: "remove 别名",
    29  	}
    30  )
    31  
    32  // _aliasRemoveCmd represents the alias remove command
    33  var _aliasRemoveCmd = &cobra.Command{
    34  	Use:   config.TranslateInLang(_removeCmdUses, config.UILanguage),
    35  	Short: config.TranslateInLang(_removeCmdShorts, config.UILanguage),
    36  	Args:  cobra.ExactArgs(1),
    37  	RunE: func(cmd *cobra.Command, args []string) error {
    38  		cmd.SilenceUsage = true
    39  		err := remove(args[0])
    40  		return output.PrintError(err)
    41  	},
    42  }
    43  
    44  // remove removes alias
    45  func remove(arg string) error {
    46  	if err := validator.ValidateAlias(arg); err != nil {
    47  		return output.NewError(output.ValidationError, "invalid alias", err)
    48  	}
    49  	alias := arg
    50  	delete(config.ReadConfig.Aliases, alias)
    51  	out, err := yaml.Marshal(&config.ReadConfig)
    52  	if err != nil {
    53  		return output.NewError(output.SerializationError, "failed to marshal config", err)
    54  	}
    55  	if err := os.WriteFile(config.DefaultConfigFile, out, 0600); err != nil {
    56  		return output.NewError(output.WriteFileError,
    57  			fmt.Sprintf("failed to write to config file %s", config.DefaultConfigFile), err)
    58  	}
    59  	output.PrintResult(alias + " is removed")
    60  	return nil
    61  }