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https://github.com/seaweedfs/seaweedfs.git
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37af41fbfe
* Added a helper function `isHelpRequest()` * also handles combined short flags like -lh or -hl * Created handleHelpRequest() helper function encapsulates both: Checking for help flags Printing the help message * Limit to reasonable length (2-4 chars total) to avoid matching long options like -verbose
103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
package shell
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import (
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"context"
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"fmt"
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"io"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/util"
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)
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func init() {
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Commands = append(Commands, &commandFsMv{})
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}
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type commandFsMv struct {
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}
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func (c *commandFsMv) Name() string {
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return "fs.mv"
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}
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func (c *commandFsMv) Help() string {
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return `move or rename a file or a folder
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fs.mv <source entry> <destination entry>
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fs.mv /dir/file_name /dir2/filename2
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fs.mv /dir/file_name /dir2
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fs.mv /dir/dir2 /dir3/dir4/
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fs.mv /dir/dir2 /dir3/new_dir
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`
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}
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func (c *commandFsMv) HasTag(CommandTag) bool {
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return false
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}
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func (c *commandFsMv) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
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if handleHelpRequest(c, args, writer) {
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return nil
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}
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if len(args) != 2 {
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return fmt.Errorf("need to have 2 arguments")
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}
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sourcePath, err := commandEnv.parseUrl(args[0])
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if err != nil {
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return err
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}
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destinationPath, err := commandEnv.parseUrl(args[1])
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if err != nil {
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return err
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}
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sourceDir, sourceName := util.FullPath(sourcePath).DirAndName()
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destinationDir, destinationName := util.FullPath(destinationPath).DirAndName()
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return commandEnv.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
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// collect destination entry info
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destinationRequest := &filer_pb.LookupDirectoryEntryRequest{
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Name: destinationDir,
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Directory: destinationName,
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}
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respDestinationLookupEntry, err := filer_pb.LookupEntry(context.Background(), client, destinationRequest)
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var targetDir, targetName string
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// moving a file or folder
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if err == nil && respDestinationLookupEntry.Entry.IsDirectory {
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// to a directory
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targetDir = util.Join(destinationDir, destinationName)
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targetName = sourceName
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} else {
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// to a file or folder
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targetDir = destinationDir
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targetName = destinationName
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}
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request := &filer_pb.AtomicRenameEntryRequest{
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OldDirectory: sourceDir,
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OldName: sourceName,
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NewDirectory: targetDir,
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NewName: targetName,
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}
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_, err = client.AtomicRenameEntry(context.Background(), request)
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fmt.Fprintf(writer, "move: %s => %s\n", sourcePath, util.NewFullPath(targetDir, targetName))
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return err
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})
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}
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