mirror of
https://github.com/letic/terraform-provider-google.git
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![Riley Karson](/assets/img/avatar_default.png)
```bash GO111MODULE=on go get github.com/hashicorp/terraform@pluginsdk-v0.12-early7 GO111MODULE=on go mod vendor GO111MODULE=on go mod tidy ```
129 lines
2.7 KiB
Go
129 lines
2.7 KiB
Go
// Package cmd used for command line options for the complete tool
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package cmd
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import (
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"errors"
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"flag"
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"fmt"
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"os"
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"strings"
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"github.com/posener/complete/cmd/install"
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)
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// CLI for command line
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type CLI struct {
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Name string
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InstallName string
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UninstallName string
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install bool
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uninstall bool
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yes bool
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}
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const (
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defaultInstallName = "install"
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defaultUninstallName = "uninstall"
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)
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// Run is used when running complete in command line mode.
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// this is used when the complete is not completing words, but to
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// install it or uninstall it.
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func (f *CLI) Run() bool {
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err := f.validate()
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if err != nil {
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os.Stderr.WriteString(err.Error() + "\n")
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os.Exit(1)
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}
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switch {
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case f.install:
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f.prompt()
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err = install.Install(f.Name)
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case f.uninstall:
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f.prompt()
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err = install.Uninstall(f.Name)
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default:
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// non of the action flags matched,
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// returning false should make the real program execute
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return false
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}
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if err != nil {
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fmt.Printf("%s failed! %s\n", f.action(), err)
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os.Exit(3)
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}
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fmt.Println("Done!")
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return true
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}
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// prompt use for approval
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// exit if approval was not given
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func (f *CLI) prompt() {
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defer fmt.Println(f.action() + "ing...")
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if f.yes {
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return
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}
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fmt.Printf("%s completion for %s? ", f.action(), f.Name)
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var answer string
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fmt.Scanln(&answer)
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switch strings.ToLower(answer) {
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case "y", "yes":
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return
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default:
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fmt.Println("Cancelling...")
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os.Exit(1)
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}
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}
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// AddFlags adds the CLI flags to the flag set.
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// If flags is nil, the default command line flags will be taken.
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// Pass non-empty strings as installName and uninstallName to override the default
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// flag names.
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func (f *CLI) AddFlags(flags *flag.FlagSet) {
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if flags == nil {
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flags = flag.CommandLine
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}
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if f.InstallName == "" {
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f.InstallName = defaultInstallName
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}
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if f.UninstallName == "" {
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f.UninstallName = defaultUninstallName
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}
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if flags.Lookup(f.InstallName) == nil {
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flags.BoolVar(&f.install, f.InstallName, false,
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fmt.Sprintf("Install completion for %s command", f.Name))
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}
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if flags.Lookup(f.UninstallName) == nil {
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flags.BoolVar(&f.uninstall, f.UninstallName, false,
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fmt.Sprintf("Uninstall completion for %s command", f.Name))
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}
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if flags.Lookup("y") == nil {
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flags.BoolVar(&f.yes, "y", false, "Don't prompt user for typing 'yes' when installing completion")
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}
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}
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// validate the CLI
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func (f *CLI) validate() error {
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if f.install && f.uninstall {
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return errors.New("Install and uninstall are mutually exclusive")
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}
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return nil
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}
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// action name according to the CLI values.
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func (f *CLI) action() string {
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switch {
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case f.install:
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return "Install"
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case f.uninstall:
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return "Uninstall"
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default:
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return "unknown"
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}
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}
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