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// Copyright 2021 The Witness Contributors
//
// 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"
)
func CompletionCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "completion [bash|zsh|fish|powershell]",
Short: "Generate completion script",
Long: `To load completions:
Bash:
$ source <(witness completion bash)
# To load completions for each session, execute once:
# Linux:
$ witness completion bash > /etc/bash_completion.d/witness
# macOS:
$ witness completion bash > /usr/local/etc/bash_completion.d/witness
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:
$ witness completion zsh > "${fpath[1]}/_witness"
# You will need to start a new shell for this setup to take effect.
fish:
$ witness completion fish | source
# To load completions for each session, execute once:
$ witness completion fish > ~/.config/fish/completions/witness.fish
PowerShell:
PS> witness completion powershell | Out-String | Invoke-Expression
# To load completions for every new session, run:
PS> witness completion powershell > witness.ps1
# and source this file from your PowerShell profile.
`,
DisableFlagsInUseLine: true,
DisableAutoGenTag: true,
ValidArgs: []string{"bash", "zsh", "fish", "powershell"},
Args: cobra.MatchAll(cobra.ExactArgs(1), cobra.OnlyValidArgs),
Run: func(cmd *cobra.Command, args []string) {
switch args[0] {
case "bash":
_ = cmd.Root().GenBashCompletion(os.Stdout)
case "zsh":
_ = cmd.Root().GenZshCompletion(os.Stdout)
case "fish":
_ = cmd.Root().GenFishCompletion(os.Stdout, true)
case "powershell":
_ = cmd.Root().GenPowerShellCompletionWithDesc(os.Stdout)
}
},
}
return cmd
}
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