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Start implementing commands
This commit is contained in:
Zachary Yedidia
266
cmd/micro/info/autocomplete.go
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266
cmd/micro/info/autocomplete.go
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package info
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import (
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"io/ioutil"
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"os"
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"strings"
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"github.com/zyedidia/micro/cmd/micro/config"
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"github.com/zyedidia/micro/cmd/micro/util"
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)
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// Completion represents a type of completion
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type Completion int
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const (
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NoCompletion Completion = iota
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FileCompletion
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CommandCompletion
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HelpCompletion
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OptionCompletion
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PluginCmdCompletion
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PluginNameCompletion
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OptionValueCompletion
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)
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var pluginCompletions []func(string) []string
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// This file is meant (for now) for autocompletion in command mode, not
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// while coding. This helps micro autocomplete commands and then filenames
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// for example with `vsplit filename`.
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// FileComplete autocompletes filenames
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func FileComplete(input string) (string, []string) {
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var sep string = string(os.PathSeparator)
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dirs := strings.Split(input, sep)
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var files []os.FileInfo
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var err error
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if len(dirs) > 1 {
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directories := strings.Join(dirs[:len(dirs)-1], sep) + sep
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directories, _ = util.ReplaceHome(directories)
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files, err = ioutil.ReadDir(directories)
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} else {
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files, err = ioutil.ReadDir(".")
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}
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var suggestions []string
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if err != nil {
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return "", suggestions
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}
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for _, f := range files {
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name := f.Name()
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if f.IsDir() {
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name += sep
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}
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if strings.HasPrefix(name, dirs[len(dirs)-1]) {
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suggestions = append(suggestions, name)
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}
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}
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var chosen string
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if len(suggestions) == 1 {
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if len(dirs) > 1 {
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chosen = strings.Join(dirs[:len(dirs)-1], sep) + sep + suggestions[0]
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} else {
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chosen = suggestions[0]
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}
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} else {
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if len(dirs) > 1 {
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chosen = strings.Join(dirs[:len(dirs)-1], sep) + sep
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}
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}
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return chosen, suggestions
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}
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// CommandComplete autocompletes commands
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// func CommandComplete(input string) (string, []string) {
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// var suggestions []string
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// for cmd := range commands {
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// if strings.HasPrefix(cmd, input) {
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// suggestions = append(suggestions, cmd)
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// }
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// }
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//
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// var chosen string
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// if len(suggestions) == 1 {
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// chosen = suggestions[0]
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// }
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// return chosen, suggestions
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// }
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// HelpComplete autocompletes help topics
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func HelpComplete(input string) (string, []string) {
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var suggestions []string
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for _, file := range config.ListRuntimeFiles(config.RTHelp) {
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topic := file.Name()
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if strings.HasPrefix(topic, input) {
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suggestions = append(suggestions, topic)
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}
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}
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var chosen string
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if len(suggestions) == 1 {
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chosen = suggestions[0]
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}
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return chosen, suggestions
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}
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// ColorschemeComplete tab-completes names of colorschemes.
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func ColorschemeComplete(input string) (string, []string) {
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var suggestions []string
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files := config.ListRuntimeFiles(config.RTColorscheme)
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for _, f := range files {
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if strings.HasPrefix(f.Name(), input) {
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suggestions = append(suggestions, f.Name())
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}
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}
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var chosen string
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if len(suggestions) == 1 {
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chosen = suggestions[0]
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}
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return chosen, suggestions
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}
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func contains(s []string, e string) bool {
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for _, a := range s {
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if a == e {
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return true
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}
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}
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return false
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}
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// OptionComplete autocompletes options
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func OptionComplete(input string) (string, []string) {
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var suggestions []string
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localSettings := config.DefaultLocalSettings()
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for option := range config.GlobalSettings {
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if strings.HasPrefix(option, input) {
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suggestions = append(suggestions, option)
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}
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}
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for option := range localSettings {
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if strings.HasPrefix(option, input) && !contains(suggestions, option) {
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suggestions = append(suggestions, option)
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}
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}
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var chosen string
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if len(suggestions) == 1 {
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chosen = suggestions[0]
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}
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return chosen, suggestions
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}
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// OptionValueComplete completes values for various options
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func OptionValueComplete(inputOpt, input string) (string, []string) {
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inputOpt = strings.TrimSpace(inputOpt)
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var suggestions []string
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localSettings := config.DefaultLocalSettings()
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var optionVal interface{}
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for k, option := range config.GlobalSettings {
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if k == inputOpt {
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optionVal = option
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}
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}
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for k, option := range localSettings {
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if k == inputOpt {
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optionVal = option
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}
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}
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switch optionVal.(type) {
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case bool:
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if strings.HasPrefix("on", input) {
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suggestions = append(suggestions, "on")
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} else if strings.HasPrefix("true", input) {
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suggestions = append(suggestions, "true")
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}
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if strings.HasPrefix("off", input) {
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suggestions = append(suggestions, "off")
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} else if strings.HasPrefix("false", input) {
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suggestions = append(suggestions, "false")
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}
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case string:
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switch inputOpt {
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case "colorscheme":
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_, suggestions = ColorschemeComplete(input)
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case "fileformat":
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if strings.HasPrefix("unix", input) {
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suggestions = append(suggestions, "unix")
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}
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if strings.HasPrefix("dos", input) {
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suggestions = append(suggestions, "dos")
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}
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case "sucmd":
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if strings.HasPrefix("sudo", input) {
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suggestions = append(suggestions, "sudo")
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}
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if strings.HasPrefix("doas", input) {
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suggestions = append(suggestions, "doas")
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}
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}
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}
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var chosen string
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if len(suggestions) == 1 {
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chosen = suggestions[0]
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}
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return chosen, suggestions
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}
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// // MakeCompletion registers a function from a plugin for autocomplete commands
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// func MakeCompletion(function string) Completion {
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// pluginCompletions = append(pluginCompletions, LuaFunctionComplete(function))
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// return Completion(-len(pluginCompletions))
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// }
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//
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// // PluginComplete autocompletes from plugin function
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// func PluginComplete(complete Completion, input string) (chosen string, suggestions []string) {
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// idx := int(-complete) - 1
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//
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// if len(pluginCompletions) <= idx {
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// return "", nil
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// }
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// suggestions = pluginCompletions[idx](input)
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//
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// if len(suggestions) == 1 {
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// chosen = suggestions[0]
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// }
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// return
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// }
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//
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// // PluginCmdComplete completes with possible choices for the `> plugin` command
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// func PluginCmdComplete(input string) (chosen string, suggestions []string) {
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// for _, cmd := range []string{"install", "remove", "search", "update", "list"} {
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// if strings.HasPrefix(cmd, input) {
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// suggestions = append(suggestions, cmd)
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// }
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// }
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//
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// if len(suggestions) == 1 {
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// chosen = suggestions[0]
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// }
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// return chosen, suggestions
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// }
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//
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// // PluginnameComplete completes with the names of loaded plugins
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// func PluginNameComplete(input string) (chosen string, suggestions []string) {
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// for _, pp := range GetAllPluginPackages() {
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// if strings.HasPrefix(pp.Name, input) {
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// suggestions = append(suggestions, pp.Name)
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// }
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// }
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//
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// if len(suggestions) == 1 {
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// chosen = suggestions[0]
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// }
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// return chosen, suggestions
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// }
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