mirror of
https://github.com/spf13/cobra
synced 2024-07-03 00:51:39 +00:00
75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
// Copyright 2013-2022 The Cobra Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cobra
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import (
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"bytes"
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"io"
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"os"
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)
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func (c *Command) GenNushellCompletion(w io.Writer) error {
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buf := new(bytes.Buffer)
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WriteStringAndCheck(buf, `
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# An external configurator that works with any cobra based
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# command line application (e.g. kubectl, minikube)
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let cobra_configurator = {|spans|
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let cmd = $spans.0
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# skip the first entry in the span (the command) and join the rest of the span to create __complete args
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let cmd_args = ($spans | skip 1 | str join ' ')
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# If the last span entry was empty add "" to the end of the command args
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let cmd_args = if ($spans | last | str trim | is-empty) {
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$'($cmd_args) ""'
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} else {
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$cmd_args
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}
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# The full command to be executed
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let full_cmd = $'($cmd) __complete ($cmd_args)'
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# Since nushell doesn't have anything like eval, execute in a subshell
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let result = (do -i { nu -c $"'($full_cmd)'" } | complete)
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# Create a record with all completion related info.
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# directive and directive_str are for posterity
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let stdout_lines = ($result.stdout | lines)
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let $completions = ($stdout_lines | drop | parse -r '([\w\-\.:\+]*)\t?(.*)' | rename value description)
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let result = ({
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completions: $completions
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directive_str: ($result.stderr)
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directive: ($stdout_lines | last)
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})
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$result.completions
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}`)
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_, err := buf.WriteTo(w)
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return err
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}
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func (c *Command) GenNushellCompletionFile(filename string) error {
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outFile, err := os.Create(filename)
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if err != nil {
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return err
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}
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defer outFile.Close()
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return c.GenNushellCompletion(outFile)
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}
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