hugo/commands/genautocomplete.go

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// Copyright 2015 The Hugo Authors. All rights reserved.
//
// 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 commands
import (
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"io"
"os"
"github.com/spf13/cobra"
jww "github.com/spf13/jwalterweatherman"
)
var _ cmder = (*genautocompleteCmd)(nil)
type genautocompleteCmd struct {
autocompleteTarget string
// bash, zsh, fish or powershell
autocompleteType string
*baseCmd
}
func newGenautocompleteCmd() *genautocompleteCmd {
cc := &genautocompleteCmd{}
cc.baseCmd = newBaseCmd(&cobra.Command{
Use: "autocomplete",
Short: "Generate shell autocompletion script for Hugo",
Long: `Generates a shell autocompletion script for Hugo.
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The script is written to the console (stdout).
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To write to file, add the ` + "`--completionfile=/path/to/file`" + ` flag.
Add ` + "`--type={bash, zsh, fish or powershell}`" + ` flag to set alternative
shell type.
Logout and in again to reload the completion scripts,
or just source them in directly:
$ . /etc/bash_completion or /path/to/file`,
RunE: func(cmd *cobra.Command, args []string) error {
var err error
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var target io.Writer
if cc.autocompleteTarget == "" {
target = os.Stdout
} else {
target, _ = os.OpenFile(cc.autocompleteTarget, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
}
switch cc.autocompleteType {
case "bash":
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err = cmd.Root().GenBashCompletion(target)
case "zsh":
err = cmd.Root().GenZshCompletion(target)
case "fish":
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err = cmd.Root().GenFishCompletion(target, true)
case "powershell":
err = cmd.Root().GenPowerShellCompletion(target)
default:
return newUserError("Unsupported completion type")
}
if err != nil {
return err
}
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if cc.autocompleteTarget != "" {
jww.FEEDBACK.Println(cc.autocompleteType+" completion file for Hugo saved to", cc.autocompleteTarget)
}
return nil
},
})
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cc.cmd.PersistentFlags().StringVarP(&cc.autocompleteTarget, "completionfile", "f", "", "autocompletion file, defaults to stdout")
cc.cmd.PersistentFlags().StringVarP(&cc.autocompleteType, "type", "t", "bash", "autocompletion type (bash, zsh, fish, or powershell)")
return cc
}