cobra/shell_completions.go

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2023-03-06 02:28:31 +00:00
// Copyright 2013-2023 The Cobra Authors
2022-09-16 11:55:56 +00:00
//
// 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 cobra
import (
"github.com/spf13/pflag"
)
// MarkFlagRequired instructs the various shell completion implementations to
// prioritize the named flag when performing completion,
// and causes your command to report an error if invoked without the flag.
func (c *Command) MarkFlagRequired(name string) error {
return MarkFlagRequired(c.Flags(), name)
}
// MarkPersistentFlagRequired instructs the various shell completion implementations to
// prioritize the named persistent flag when performing completion,
// and causes your command to report an error if invoked without the flag.
func (c *Command) MarkPersistentFlagRequired(name string) error {
return MarkFlagRequired(c.PersistentFlags(), name)
}
// MarkFlagRequired instructs the various shell completion implementations to
// prioritize the named flag when performing completion,
// and causes your command to report an error if invoked without the flag.
func MarkFlagRequired(flags *pflag.FlagSet, name string) error {
return flags.SetAnnotation(name, BashCompOneRequiredFlag, []string{"true"})
}
// MarkFlagFilename instructs the various shell completion implementations to
// limit completions for the named flag to the specified file extensions.
func (c *Command) MarkFlagFilename(name string, extensions ...string) error {
return MarkFlagFilename(c.Flags(), name, extensions...)
}
// MarkFlagCustom adds the BashCompCustom annotation to the named flag, if it exists.
// The bash completion script will call the bash function f for the flag.
//
// This will only work for bash completion.
// It is recommended to instead use c.RegisterFlagCompletionFunc(...) which allows
// to register a Go function which will work across all shells.
func (c *Command) MarkFlagCustom(name string, f string) error {
return MarkFlagCustom(c.Flags(), name, f)
}
// MarkPersistentFlagFilename instructs the various shell completion
// implementations to limit completions for the named persistent flag to the
// specified file extensions.
func (c *Command) MarkPersistentFlagFilename(name string, extensions ...string) error {
return MarkFlagFilename(c.PersistentFlags(), name, extensions...)
}
// MarkFlagFilename instructs the various shell completion implementations to
// limit completions for the named flag to the specified file extensions.
func MarkFlagFilename(flags *pflag.FlagSet, name string, extensions ...string) error {
return flags.SetAnnotation(name, BashCompFilenameExt, extensions)
}
// MarkFlagCustom adds the BashCompCustom annotation to the named flag, if it exists.
// The bash completion script will call the bash function f for the flag.
//
// This will only work for bash completion.
// It is recommended to instead use c.RegisterFlagCompletionFunc(...) which allows
// to register a Go function which will work across all shells.
func MarkFlagCustom(flags *pflag.FlagSet, name string, f string) error {
return flags.SetAnnotation(name, BashCompCustom, []string{f})
}
// MarkFlagDirname instructs the various shell completion implementations to
// limit completions for the named flag to directory names.
func (c *Command) MarkFlagDirname(name string) error {
return MarkFlagDirname(c.Flags(), name)
}
// MarkPersistentFlagDirname instructs the various shell completion
// implementations to limit completions for the named persistent flag to
// directory names.
func (c *Command) MarkPersistentFlagDirname(name string) error {
return MarkFlagDirname(c.PersistentFlags(), name)
}
// MarkFlagDirname instructs the various shell completion implementations to
// limit completions for the named flag to directory names.
func MarkFlagDirname(flags *pflag.FlagSet, name string) error {
return flags.SetAnnotation(name, BashCompSubdirsInDir, []string{})
}