510 lines
13 KiB
Go
510 lines
13 KiB
Go
package main
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import (
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"slices"
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"time"
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"git.burning.moe/celediel/gt/internal/filemode"
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"git.burning.moe/celediel/gt/internal/files"
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"git.burning.moe/celediel/gt/internal/filter"
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"git.burning.moe/celediel/gt/internal/interactive"
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"git.burning.moe/celediel/gt/internal/interactive/modes"
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"github.com/adrg/xdg"
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"github.com/charmbracelet/log"
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"github.com/urfave/cli/v2"
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"golang.org/x/term"
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)
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const (
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appname string = "gt"
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appsubtitle string = "xdg trash cli"
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appversion string = "v0.0.1"
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appdesc string = `A small command line program to interface with the
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Freedesktop.org / XDG trash specification.
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Run with no command or filename(s) to start interactive mode.
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See gt(1) for more information.`
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executePerm = fs.FileMode(0755)
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)
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var (
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loglvl string
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fltr *filter.Filter
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onArg, beforeArg, afterArg string
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globArg, patternArg string
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unGlobArg, unPatternArg string
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modeArg, minArg, maxArg string
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filesOnlyArg, dirsOnlyArg bool
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hiddenArg, noInterArg bool
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askconfirm, all bool
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workdir, ogdir cli.Path
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recursive bool
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termwidth int
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termheight int
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trashDir = filepath.Join(xdg.DataHome, "Trash")
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beforeAll = func(_ *cli.Context) error {
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// setup log
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log.SetReportTimestamp(true)
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log.SetTimeFormat(time.TimeOnly)
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if level, err := log.ParseLevel(loglvl); err == nil {
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log.SetLevel(level)
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// Some extra info for debug level
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if log.GetLevel() == log.DebugLevel {
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log.SetReportCaller(true)
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}
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} else {
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log.Errorf("unknown log level '%s' (possible values: debug, info, warn, error, fatal, default: warn)", loglvl)
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}
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// read the term height and width for tables
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width, height, e := term.GetSize(int(os.Stdout.Fd()))
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if e != nil {
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width = 80
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height = 24
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}
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termwidth = width
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termheight = height
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// ensure trash directories exist
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if _, e := os.Stat(trashDir); os.IsNotExist(e) {
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if err := os.Mkdir(trashDir, executePerm); err != nil {
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return err
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}
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}
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if _, e := os.Stat(filepath.Join(trashDir, "info")); os.IsNotExist(e) {
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if err := os.Mkdir(filepath.Join(trashDir, "info"), executePerm); err != nil {
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return err
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}
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}
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if _, e := os.Stat(filepath.Join(trashDir, "files")); os.IsNotExist(e) {
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if err := os.Mkdir(filepath.Join(trashDir, "files"), executePerm); err != nil {
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return err
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}
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}
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return nil
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}
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// action launches interactive mode if run without args, or trashes files as args.
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action = func(ctx *cli.Context) error {
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var (
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err error
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)
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if fltr == nil {
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md, e := filemode.Parse(modeArg)
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if e != nil {
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return e
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}
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fltr, err = filter.New(onArg, beforeArg, afterArg, globArg, patternArg, unGlobArg, unPatternArg, filesOnlyArg, dirsOnlyArg, false, minArg, maxArg, md)
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}
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if err != nil {
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return err
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}
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if len(ctx.Args().Slice()) == 0 {
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// no ags, so do interactive mode
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var (
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infiles files.Files
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selected files.Files
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mode modes.Mode
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err error
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)
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infiles, err = files.FindTrash(trashDir, ogdir, fltr)
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if err != nil {
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return err
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}
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if len(infiles) <= 0 {
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var msg string
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if fltr.Blank() {
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msg = "trash is empty"
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} else {
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msg = "no files to show"
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}
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fmt.Fprintln(os.Stdout, msg)
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return nil
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}
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selected, mode, err = interactive.Select(infiles, termwidth, termheight, false, false, workdir, modes.Interactive)
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if err != nil {
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return err
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}
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switch mode {
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case modes.Cleaning:
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for _, file := range selected {
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log.Debugf("gonna clean %s", file.Name())
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}
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if err := files.ConfirmClean(askconfirm, selected); err != nil {
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return err
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}
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case modes.Restoring:
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for _, file := range selected {
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log.Debugf("gonna restore %s", file.Name())
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}
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if err := files.ConfirmRestore(askconfirm, selected); err != nil {
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return err
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}
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case modes.Interactive:
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return nil
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default:
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return fmt.Errorf("got bad mode %s", mode)
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}
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return nil
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}
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// args, so try to trash files
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var filesToTrash files.Files
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for _, arg := range ctx.Args().Slice() {
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file, e := files.NewDisk(arg)
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if e != nil {
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log.Errorf("cannot trash '%s': No such file or directory", arg)
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continue
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}
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filesToTrash = append(filesToTrash, file)
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}
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return files.ConfirmTrash(askconfirm, filesToTrash, trashDir)
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}
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beforeCommands = func(ctx *cli.Context) (err error) {
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// setup filter
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if fltr == nil {
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md, e := filemode.Parse(modeArg)
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if e != nil {
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return e
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}
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fltr, err = filter.New(onArg, beforeArg, afterArg, globArg, patternArg, unGlobArg, unPatternArg, filesOnlyArg, dirsOnlyArg, false, minArg, maxArg, md, ctx.Args().Slice()...)
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}
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log.Debugf("filter: %s", fltr.String())
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return
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}
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beforeTrash = func(_ *cli.Context) (err error) {
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if fltr == nil {
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md, e := filemode.Parse(modeArg)
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if e != nil {
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return e
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}
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fltr, err = filter.New(onArg, beforeArg, afterArg, globArg, patternArg, unGlobArg, unPatternArg, filesOnlyArg, dirsOnlyArg, !hiddenArg, minArg, maxArg, md)
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}
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log.Debugf("filter: %s", fltr.String())
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return
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}
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after = func(_ *cli.Context) error {
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return nil
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}
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doTrash = &cli.Command{
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Name: "trash",
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Aliases: []string{"tr"},
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Usage: "Trash a file or files",
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Flags: slices.Concat(trashingFlags, filterFlags),
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Before: beforeTrash,
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Action: func(ctx *cli.Context) error {
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var filesToTrash files.Files
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for _, arg := range ctx.Args().Slice() {
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file, e := files.NewDisk(arg)
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if e != nil || workdir != "" {
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log.Debugf("%s wasn't really a file", arg)
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fltr.AddFileName(arg)
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continue
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}
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filesToTrash = append(filesToTrash, file)
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}
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// if none of the args were files, then process find files based on filter
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if len(filesToTrash) == 0 {
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fls, err := files.FindDisk(workdir, recursive, fltr)
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if err != nil {
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return err
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}
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if len(fls) == 0 {
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fmt.Fprintln(os.Stdout, "no files to trash")
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return nil
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}
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filesToTrash = append(filesToTrash, fls...)
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}
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selected, _, err := interactive.Select(filesToTrash, termwidth, termheight, false, false, workdir, modes.Trashing)
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if err != nil {
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return err
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}
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if len(selected) <= 0 {
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return nil
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}
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return files.ConfirmTrash(askconfirm, selected, trashDir)
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},
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}
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doList = &cli.Command{
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Name: "list",
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Aliases: []string{"ls"},
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Usage: "List trashed files",
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Flags: slices.Concat(listFlags, trashedFlags, filterFlags),
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Before: beforeCommands,
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Action: func(_ *cli.Context) error {
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log.Debugf("searching in directory %s for files", trashDir)
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// look for files
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fls, err := files.FindTrash(trashDir, ogdir, fltr)
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var msg string
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log.Debugf("filter '%s' is blank? %t in %s", fltr, fltr.Blank(), ogdir)
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if fltr.Blank() && ogdir == "" {
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msg = "trash is empty"
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} else {
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msg = "no files to show"
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}
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if len(fls) == 0 {
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fmt.Fprintln(os.Stdout, msg)
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return nil
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} else if err != nil {
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return err
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}
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// display them
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_, _, err = interactive.Select(fls, termwidth, termheight, true, noInterArg, workdir, modes.Listing)
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return err
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},
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}
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doRestore = &cli.Command{
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Name: "restore",
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Aliases: []string{"re"},
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Usage: "Restore a trashed file or files",
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Flags: slices.Concat(cleanRestoreFlags, trashedFlags, filterFlags),
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Before: beforeCommands,
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Action: func(_ *cli.Context) error {
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log.Debugf("searching in directory %s for files", trashDir)
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// look for files
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fls, err := files.FindTrash(trashDir, ogdir, fltr)
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if len(fls) == 0 {
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fmt.Fprintln(os.Stdout, "no files to restore")
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return nil
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} else if err != nil {
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return err
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}
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selected, _, err := interactive.Select(fls, termwidth, termheight, false, all, workdir, modes.Restoring)
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if err != nil {
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return err
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}
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if len(selected) <= 0 {
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return nil
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}
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return files.ConfirmRestore(askconfirm || all, selected)
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},
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}
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doClean = &cli.Command{
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Name: "clean",
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Aliases: []string{"cl"},
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Usage: "Clean files from trash",
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Flags: slices.Concat(cleanRestoreFlags, trashedFlags, filterFlags),
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Before: beforeCommands,
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Action: func(_ *cli.Context) error {
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fls, err := files.FindTrash(trashDir, ogdir, fltr)
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if len(fls) == 0 {
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fmt.Fprintln(os.Stdout, "no files to clean")
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return nil
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} else if err != nil {
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return err
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}
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selected, _, err := interactive.Select(fls, termwidth, termheight, false, all, workdir, modes.Cleaning)
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if err != nil {
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return err
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}
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if len(selected) <= 0 {
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return nil
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}
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return files.ConfirmClean(askconfirm, selected)
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},
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}
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globalFlags = []cli.Flag{
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&cli.StringFlag{
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Name: "log",
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Usage: "set log level",
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Value: "warn",
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Aliases: []string{"l"},
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Destination: &loglvl,
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},
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&cli.BoolFlag{
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Name: "confirm",
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Usage: "ask for confirmation before executing any action",
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Value: false,
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Aliases: []string{"c"},
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DisableDefaultText: true,
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Destination: &askconfirm,
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},
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}
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filterFlags = []cli.Flag{
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&cli.StringFlag{
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Name: "match",
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Usage: "operate on files matching regex `PATTERN`",
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Aliases: []string{"m"},
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Destination: &patternArg,
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},
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&cli.StringFlag{
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Name: "glob",
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Usage: "operate on files matching `GLOB`",
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Aliases: []string{"g"},
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Destination: &globArg,
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},
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&cli.StringFlag{
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Name: "not-match",
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Usage: "operate on files not matching regex `PATTERN`",
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Aliases: []string{"M"},
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Destination: &unPatternArg,
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},
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&cli.StringFlag{
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Name: "not-glob",
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Usage: "operate on files not matching `GLOB`",
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Aliases: []string{"G"},
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Destination: &unGlobArg,
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},
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&cli.StringFlag{
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Name: "on",
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Usage: "operate on files modified on `DATE`",
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Aliases: []string{"O"},
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Destination: &onArg,
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},
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&cli.StringFlag{
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Name: "after",
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Usage: "operate on files modified before `DATE`",
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Aliases: []string{"A"},
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Destination: &afterArg,
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},
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&cli.StringFlag{
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Name: "before",
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Usage: "operate on files modified after `DATE`",
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Aliases: []string{"B"},
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Destination: &beforeArg,
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},
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&cli.BoolFlag{
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Name: "files-only",
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Usage: "operate on files only",
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Aliases: []string{"F"},
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DisableDefaultText: true,
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Destination: &filesOnlyArg,
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},
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&cli.BoolFlag{
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Name: "dirs-only",
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Usage: "operate on directories only",
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Aliases: []string{"D"},
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DisableDefaultText: true,
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Destination: &dirsOnlyArg,
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},
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&cli.StringFlag{
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Name: "min-size",
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Usage: "operate on files larger than `SIZE`",
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Aliases: []string{"N"},
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Destination: &minArg,
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},
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&cli.StringFlag{
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Name: "max-size",
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Usage: "operate on files smaller than `SIZE`",
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Aliases: []string{"X"},
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Destination: &maxArg,
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},
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&cli.StringFlag{
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Name: "mode",
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Usage: "operate on files matching mode `MODE`",
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Aliases: []string{"x"},
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Destination: &modeArg,
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},
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}
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trashingFlags = []cli.Flag{
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&cli.BoolFlag{
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Name: "recursive",
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Usage: "operate on files recursively",
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Aliases: []string{"r"},
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Destination: &recursive,
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Value: false,
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DisableDefaultText: true,
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},
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&cli.PathFlag{
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Name: "work-dir",
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Usage: "operate on files in this `DIRECTORY`",
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Aliases: []string{"w"},
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Destination: &workdir,
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},
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&cli.BoolFlag{
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Name: "hidden",
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Usage: "operate on hidden files",
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Aliases: []string{"H"},
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DisableDefaultText: true,
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Destination: &hiddenArg,
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},
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}
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trashedFlags = []cli.Flag{
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&cli.PathFlag{
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Name: "original-path",
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Usage: "operate on files trashed from this `DIRECTORY`",
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Aliases: []string{"o"},
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Destination: &ogdir,
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},
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}
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listFlags = []cli.Flag{
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&cli.BoolFlag{
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Name: "non-interactive",
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Usage: "list files and quit",
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Aliases: []string{"n"},
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Destination: &noInterArg,
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DisableDefaultText: true,
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},
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}
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cleanRestoreFlags = []cli.Flag{
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&cli.BoolFlag{
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Name: "all",
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Usage: "operate on all files in trash",
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Aliases: []string{"a"},
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Destination: &all,
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DisableDefaultText: true,
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},
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}
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)
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func main() {
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app := &cli.App{
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Name: appname,
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Usage: appsubtitle,
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Version: appversion,
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Before: beforeAll,
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After: after,
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Action: action,
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Commands: []*cli.Command{doTrash, doList, doRestore, doClean},
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Flags: globalFlags,
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UsageText: appname + " [global options] [command [command options] / filename(s)]",
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Description: appdesc,
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EnableBashCompletion: true,
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UseShortOptionHandling: true,
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}
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if err := app.Run(os.Args); err != nil {
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log.Fatal(err)
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}
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}
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