67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package generate
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import (
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"strings"
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"github.com/spf13/cobra"
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)
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type rewrite struct {
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flag string
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description string
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}
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// rewriteFlags rewrites flags that are dependent on operating system
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// for example, for `minikube start`, the description of --driver
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// outputs possible drivers for the operating system
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func rewriteFlags(command *cobra.Command, contents string) string {
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rewrites := map[string][]rewrite{
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"start": []rewrite{{
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flag: "--driver",
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description: "Used to specify the driver to run kubernetes in. The list of available drivers depends on operating system.",
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}},
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}
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rws, ok := rewrites[command.Name()]
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if !ok {
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return contents
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}
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for _, r := range rws {
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contents = rewriteFlag(contents, r.flag, r.description)
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}
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return contents
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}
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func rewriteFlag(contents, flag, description string) string {
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lines := strings.Split(contents, "\n")
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for i, l := range lines {
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if strings.Contains(l, flag) {
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spacesBetween := 42 - len(flag)
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// docs start with a prefix of 6 spaces
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replacement := " "
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replacement += flag
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for i := 0; i < spacesBetween; i++ {
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replacement += " "
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}
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replacement += description
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lines[i] = replacement
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}
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}
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return strings.Join(lines, "")
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}
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