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b40d9bd4c4
Currently rclone check supports matching two file trees by sizes and hashes. This change adds support for SUM files produced by GNU utilities like sha1sum. Fixes #1005 Note: checksum by default checks, hashsum by default prints sums. New flag is named "--checkfile" but carries hash name. Summary of introduced command forms: ``` rclone check sums.sha1 remote:path --checkfile sha1 rclone checksum sha1 sums.sha1 remote:path rclone hashsum sha1 remote:path --checkfile sums.sha1 rclone sha1sum remote:path --checkfile sums.sha1 rclone md5sum remote:path --checkfile sums.md5 ```
58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
package checksum
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import (
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"context"
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"fmt"
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"strings"
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"github.com/rclone/rclone/cmd"
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"github.com/rclone/rclone/cmd/check" // for common flags
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"github.com/rclone/rclone/fs/config/flags"
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"github.com/rclone/rclone/fs/hash"
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"github.com/rclone/rclone/fs/operations"
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"github.com/spf13/cobra"
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)
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var download = false
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func init() {
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cmd.Root.AddCommand(commandDefinition)
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cmdFlags := commandDefinition.Flags()
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flags.BoolVarP(cmdFlags, &download, "download", "", download, "Check by hashing the contents.")
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check.AddFlags(cmdFlags)
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}
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var commandDefinition = &cobra.Command{
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Use: "checksum <hash> sumfile src:path",
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Short: `Checks the files in the source against a SUM file.`,
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Long: strings.ReplaceAll(`
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Checks that hashsums of source files match the SUM file.
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It compares hashes (MD5, SHA1, etc) and logs a report of files which
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don't match. It doesn't alter the file system.
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If you supply the |--download| flag, it will download the data from remote
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and calculate the contents hash on the fly. This can be useful for remotes
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that don't support hashes or if you really want to check all the data.
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`, "|", "`") + check.FlagsHelp,
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RunE: func(command *cobra.Command, args []string) error {
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cmd.CheckArgs(3, 3, command, args)
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var hashType hash.Type
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if err := hashType.Set(args[0]); err != nil {
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fmt.Println(hash.HelpString(0))
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return err
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}
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fsum, sumFile, fsrc := cmd.NewFsSrcFileDst(args[1:])
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cmd.Run(false, true, command, func() error {
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opt, close, err := check.GetCheckOpt(nil, fsrc)
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if err != nil {
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return err
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}
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defer close()
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return operations.CheckSum(context.Background(), fsrc, fsum, sumFile, hashType, opt, download)
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})
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return nil
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},
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}
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