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completion.go
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completion.go
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/*
Copyright © 2021 Gebug
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd
import (
"os"
"github.com/spf13/cobra"
"go.uber.org/zap"
)
// completionCmd represents the completion command
var completionCmd = &cobra.Command{
Use: "completion [bash|zsh|fish|powershell]",
Short: "Generate completion script",
Long: `To load completions:
Bash:
$ source <(gebug completion bash)
# To load completions for each session, execute once:
Linux:
$ gebug completion bash > /etc/bash_completion.d/gebug
MacOS:
$ gebug completion bash > /usr/local/etc/bash_completion.d/gebug
Zsh:
# If shell completion is not already enabled in your environment you will need
# to enable it. You can execute the following once:
$ echo "autoload -U compinit; compinit" >> ~/.zshrc
# To load completions for each session, execute once:
$ gebug completion zsh > "${fpath[1]}/_gebug"
# You will need to start a new shell for this setup to take effect.
Fish:
$ gebug completion fish | source
# To load completions for each session, execute once:
$ gebug completion fish > ~/.config/fish/completions/gebug.fish
Powershell:
PS> gebug completion powershell | Out-String | Invoke-Expression
# To load completions for every new session, run:
PS> gebug completion powershell > gebug.ps1
# and source this file from your powershell profile.
`,
DisableFlagsInUseLine: true,
ValidArgs: []string{"bash", "zsh", "fish", "powershell"},
Args: cobra.MatchAll(cobra.ExactArgs(1), cobra.OnlyValidArgs),
Run: func(cmd *cobra.Command, args []string) {
var err error
switch args[0] {
case "bash":
err = cmd.Root().GenBashCompletion(os.Stdout)
case "zsh":
err = cmd.Root().GenZshCompletion(os.Stdout)
case "fish":
err = cmd.Root().GenFishCompletion(os.Stdout, true)
case "powershell":
err = cmd.Root().GenPowerShellCompletion(os.Stdout)
}
if err != nil {
zap.L().Error("Failed to generate completion", zap.String("shell", args[0]), zap.Error(err))
}
},
}
func init() {
rootCmd.AddCommand(completionCmd)
}