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package main
import (
"time"
"github.com/restic/restic/internal/errors"
"github.com/spf13/cobra"
"github.com/spf13/cobra/doc"
)
var cmdGenerate = &cobra.Command{
Use: "generate [flags]",
Short: "Generate manual pages and auto-completion files (bash, fish, zsh, powershell)",
Long: `
The "generate" command writes automatically generated files (like the man pages
and the auto-completion files for bash, fish and zsh).
EXIT STATUS
===========
Exit status is 0 if the command was successful, and non-zero if there was any error.
`,
DisableAutoGenTag: true,
RunE: runGenerate,
}
type generateOptions struct {
ManDir string
BashCompletionFile string
FishCompletionFile string
ZSHCompletionFile string
PowerShellCompletionFile string
}
var genOpts generateOptions
func init() {
cmdRoot.AddCommand(cmdGenerate)
fs := cmdGenerate.Flags()
fs.StringVar(&genOpts.ManDir, "man", "", "write man pages to `directory`")
fs.StringVar(&genOpts.BashCompletionFile, "bash-completion", "", "write bash completion `file`")
fs.StringVar(&genOpts.FishCompletionFile, "fish-completion", "", "write fish completion `file`")
fs.StringVar(&genOpts.ZSHCompletionFile, "zsh-completion", "", "write zsh completion `file`")
fs.StringVar(&genOpts.PowerShellCompletionFile, "powershell-completion", "", "write powershell completion `file`")
}
func writeManpages(dir string) error {
// use a fixed date for the man pages so that generating them is deterministic
date, err := time.Parse("Jan 2006", "Jan 2017")
if err != nil {
return err
}
header := &doc.GenManHeader{
Title: "restic backup",
Section: "1",
Source: "generated by `restic generate`",
Date: &date,
}
Verbosef("writing man pages to directory %v\n", dir)
return doc.GenManTree(cmdRoot, header, dir)
}
func writeBashCompletion(file string) error {
Verbosef("writing bash completion file to %v\n", file)
return cmdRoot.GenBashCompletionFile(file)
}
func writeFishCompletion(file string) error {
Verbosef("writing fish completion file to %v\n", file)
return cmdRoot.GenFishCompletionFile(file, true)
}
func writeZSHCompletion(file string) error {
Verbosef("writing zsh completion file to %v\n", file)
return cmdRoot.GenZshCompletionFile(file)
}
func writePowerShellCompletion(file string) error {
Verbosef("writing powershell completion file to %v\n", file)
return cmdRoot.GenPowerShellCompletionFile(file)
}
func runGenerate(cmd *cobra.Command, args []string) error {
if genOpts.ManDir != "" {
err := writeManpages(genOpts.ManDir)
if err != nil {
return err
}
}
if genOpts.BashCompletionFile != "" {
err := writeBashCompletion(genOpts.BashCompletionFile)
if err != nil {
return err
}
}
if genOpts.FishCompletionFile != "" {
err := writeFishCompletion(genOpts.FishCompletionFile)
if err != nil {
return err
}
}
if genOpts.ZSHCompletionFile != "" {
err := writeZSHCompletion(genOpts.ZSHCompletionFile)
if err != nil {
return err
}
}
if genOpts.PowerShellCompletionFile != "" {
err := writePowerShellCompletion(genOpts.PowerShellCompletionFile)
if err != nil {
return err
}
}
var empty generateOptions
if genOpts == empty {
return errors.Fatal("nothing to do, please specify at least one output file/dir")
}
return nil
}
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