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dump: Add new option --archive

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This commit is contained in:
DRON-666 2020-11-10 04:24:09 +03:00
parent 89ab6d557e
commit 2ca76afc2b
1 changed files with 18 additions and 6 deletions
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24
cmd/restic/cmd_dump.go
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@ -21,8 +21,8 @@ var cmdDump = &cobra.Command{
Long: `
The "dump" command extracts files from a snapshot from the repository. If a
single file is selected, it prints its contents to stdout. Folders are output
as a tar file containing the contents of the specified folder. Pass "/" as
file name to dump the whole snapshot as a tar file.
as a tar (default) or zip file containing the contents of the specified folder.
Pass "/" as file name to dump the whole snapshot as an archive file.
The special snapshot "latest" can be used to use the latest snapshot in the
repository.
@ -40,9 +40,10 @@ Exit status is 0 if the command was successful, and non-zero if there was any er
// DumpOptions collects all options for the dump command.
type DumpOptions struct {
Hosts []string
Paths []string
Tags restic.TagLists
Hosts []string
Paths []string
Tags restic.TagLists
Archive string
}
var dumpOptions DumpOptions
@ -54,6 +55,7 @@ func init() {
flags.StringArrayVarP(&dumpOptions.Hosts, "host", "H", nil, `only consider snapshots for this host when the snapshot ID is "latest" (can be specified multiple times)`)
flags.Var(&dumpOptions.Tags, "tag", "only consider snapshots which include this `taglist` for snapshot ID \"latest\"")
flags.StringArrayVar(&dumpOptions.Paths, "path", nil, "only consider snapshots which include this (absolute) `path` for snapshot ID \"latest\"")
flags.StringVarP(&dumpOptions.Archive, "archive", "a", "tar", "set archive `format` as \"tar\" or \"zip\"")
}
func splitPath(p string) []string {
@ -126,6 +128,16 @@ func runDump(opts DumpOptions, gopts GlobalOptions, args []string) error {
return errors.Fatal("no file and no snapshot ID specified")
}
var wd dump.WriteDump
switch opts.Archive {
case "tar":
wd = dump.WriteTar
case "zip":
wd = dump.WriteZip
default:
return fmt.Errorf("unknown archive format %q", opts.Archive)
}
snapshotIDString := args[0]
pathToPrint := args[1]
@ -175,7 +187,7 @@ func runDump(opts DumpOptions, gopts GlobalOptions, args []string) error {
Exitf(2, "loading tree for snapshot %q failed: %v", snapshotIDString, err)
}
err = printFromTree(ctx, tree, repo, "/", splittedPath, dump.WriteTar)
err = printFromTree(ctx, tree, repo, "/", splittedPath, wd)
if err != nil {
Exitf(2, "cannot dump file: %v", err)
}