mirror of
https://github.com/rclone/rclone.git
synced 2024-11-07 17:14:44 +01:00
128 lines
3.8 KiB
Go
128 lines
3.8 KiB
Go
package cmd
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import (
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"fmt"
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"os"
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"github.com/ncw/rclone/fs"
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"github.com/ncw/rclone/fs/config/configflags"
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"github.com/ncw/rclone/fs/filter/filterflags"
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"github.com/ncw/rclone/fs/rc/rcflags"
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"github.com/ncw/rclone/lib/atexit"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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// Root is the main rclone command
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var Root = &cobra.Command{
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Use: "rclone",
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Short: "Sync files and directories to and from local and remote object stores - " + fs.Version,
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Long: `
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Rclone syncs files to and from cloud storage providers as well as
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mounting them, listing them in lots of different ways.
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See the home page (https://rclone.org/) for installation, usage,
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documentation, changelog and configuration walkthroughs.
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`,
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PersistentPostRun: func(cmd *cobra.Command, args []string) {
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fs.Debugf("rclone", "Version %q finishing with parameters %q", fs.Version, os.Args)
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atexit.Run()
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},
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}
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// root help command
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var helpCommand = &cobra.Command{
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Use: "help",
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Short: Root.Short,
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Long: Root.Long,
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}
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// Show the flags
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var helpFlags = &cobra.Command{
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Use: "flags",
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Short: "Show the global flags for rclone",
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Run: func(command *cobra.Command, args []string) {
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_ = command.Usage()
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},
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}
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// runRoot implements the main rclone command with no subcommands
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func runRoot(cmd *cobra.Command, args []string) {
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if version {
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ShowVersion()
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resolveExitCode(nil)
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} else {
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_ = cmd.Usage()
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if len(args) > 0 {
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_, _ = fmt.Fprintf(os.Stderr, "Command not found.\n")
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}
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resolveExitCode(errorCommandNotFound)
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}
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}
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// setupRootCommand sets default usage, help, and error handling for
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// the root command.
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//
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// Helpful example: http://rtfcode.com/xref/moby-17.03.2-ce/cli/cobra.go
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func setupRootCommand(rootCmd *cobra.Command) {
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// Add global flags
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configflags.AddFlags(pflag.CommandLine)
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filterflags.AddFlags(pflag.CommandLine)
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rcflags.AddFlags(pflag.CommandLine)
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Root.Run = runRoot
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Root.Flags().BoolVarP(&version, "version", "V", false, "Print the version number")
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cobra.AddTemplateFunc("showGlobalFlags", func(cmd *cobra.Command) bool {
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return cmd.CalledAs() == "flags"
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})
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cobra.AddTemplateFunc("showCommands", func(cmd *cobra.Command) bool {
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return cmd.CalledAs() != "flags"
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})
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cobra.AddTemplateFunc("showLocalFlags", func(cmd *cobra.Command) bool {
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return cmd.CalledAs() != "rclone"
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})
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rootCmd.SetUsageTemplate(usageTemplate)
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// rootCmd.SetHelpTemplate(helpTemplate)
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// rootCmd.SetFlagErrorFunc(FlagErrorFunc)
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rootCmd.SetHelpCommand(helpCommand)
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// rootCmd.PersistentFlags().BoolP("help", "h", false, "Print usage")
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// rootCmd.PersistentFlags().MarkShorthandDeprecated("help", "please use --help")
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rootCmd.AddCommand(helpCommand)
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helpCommand.AddCommand(helpFlags)
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// rootCmd.AddCommand(helpBackend)
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// rootCmd.AddCommand(helpBackends)
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cobra.OnInitialize(initConfig)
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}
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var usageTemplate = `Usage:{{if .Runnable}}
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{{.UseLine}}{{end}}{{if .HasAvailableSubCommands}}
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{{.CommandPath}} [command]{{end}}{{if gt (len .Aliases) 0}}
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Aliases:
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{{.NameAndAliases}}{{end}}{{if .HasExample}}
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Examples:
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{{.Example}}{{end}}{{if and (showCommands .) .HasAvailableSubCommands}}
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Available Commands:{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
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{{rpad .Name .NamePadding }} {{.Short}}{{end}}{{end}}{{end}}{{if and (showLocalFlags .) .HasAvailableLocalFlags}}
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Flags:
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{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if and (showGlobalFlags .) .HasAvailableInheritedFlags}}
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Global Flags:
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{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasHelpSubCommands}}
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Additional help topics:{{range .Commands}}{{if .IsAdditionalHelpTopicCommand}}
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{{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}
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Use "{{.CommandPath}} [command] --help" for more information about a command.
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Use "rclone help flags" for more information about global flags.
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Use "rclone help backends" for a list of supported services.
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`
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