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// Copyright 2019 CUE Authors
//
// 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 (
"fmt"
"github.com/spf13/cobra"
)
var validCompletionArgs = []string{"bash", "zsh", "fish", "powershell"}
const completionExample = `
Bash:
$ source <(cue completion bash)
# To load completions for each session, execute once:
Linux:
$ cue completion bash > /etc/bash_completion.d/cue
MacOS:
$ cue completion bash > /usr/local/etc/bash_completion.d/cue
Zsh:
$ source <(cue completion zsh)
# To load completions for each session, execute once:
$ cue completion zsh > "${fpath[1]}/_cue"
Fish:
$ cue completion fish | source
# To load completions for each session, execute once:
$ cue completion fish > ~/.config/fish/completions/cue.fish
`
func newCompletionCmd(c *Command) *cobra.Command {
cmd := &cobra.Command{
Use: fmt.Sprintf("completion %s", validCompletionArgs),
Short: "Generate completion script",
Long: ``,
Example: completionExample,
ValidArgs: validCompletionArgs,
Args: cobra.ExactValidArgs(1),
RunE: mkRunE(c, runCompletion),
}
return cmd
}
func runCompletion(cmd *Command, args []string) error {
w := cmd.OutOrStdout()
switch args[0] {
case "bash":
cmd.Root().GenBashCompletion(w)
case "zsh":
cmd.Root().GenZshCompletion(w)
case "fish":
cmd.Root().GenFishCompletion(w, true)
case "powershell":
cmd.Root().GenPowerShellCompletion(w)
default:
return fmt.Errorf("%s is not a supported shell", args[0])
}
return nil
}