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local: delete backend implementation of Purge to speed up and make stats

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In this commit (2014 for v1.02) Purge was implemented for the local
backend:

1527e64ee7 local: Implement Purger interface

This appeared to be implemented just to make a Purge and doesn't
appear to do anything useful.

It is in fact significatly worse than the rclone fallback purge since
it doesn't operate in parallel or update stats.

This patch removes the Purge routine for a consequent speed up and
showing of stats.

See: https://forum.rclone.org/t/progress-flag-for-rclone-purge/44416
This commit is contained in:
Nick Craig-Wood 2024-02-07 21:50:22 +00:00
parent 4a049c12fe
commit 6ff1b6c505
2 changed files with 1 additions and 23 deletions
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22
backend/local/local.go
View File

@ -793,27 +793,6 @@ func (f *Fs) readPrecision() (precision time.Duration) {
return
}
// Purge deletes all the files in the directory
//
// Optional interface: Only implement this if you have a way of
// deleting all the files quicker than just running Remove() on the
// result of List()
func (f *Fs) Purge(ctx context.Context, dir string) error {
dir = f.localPath(dir)
fi, err := f.lstat(dir)
if err != nil {
// already purged
if os.IsNotExist(err) {
return fs.ErrorDirNotFound
}
return err
}
if !fi.Mode().IsDir() {
return fmt.Errorf("can't purge non directory: %q", dir)
}
return os.RemoveAll(dir)
}
// Move src to this remote using server-side move operations.
//
// This is stored with the remote path given.
@ -1571,7 +1550,6 @@ func (d *Directory) Hash() {
// Check the interfaces are satisfied
var (
_ fs.Fs = &Fs{}
_ fs.Purger = &Fs{}
_ fs.PutStreamer = &Fs{}
_ fs.Mover = &Fs{}
_ fs.DirMover = &Fs{}

2
docs/content/overview.md
View File

@ -527,7 +527,7 @@ upon backend-specific capabilities.
| WebDAV | Yes | Yes | Yes | Yes | No | No | Yes ³ | No | No | Yes | Yes |
| Yandex Disk | Yes | Yes | Yes | Yes | Yes | No | Yes | No | Yes | Yes | Yes |
| Zoho WorkDrive | Yes | Yes | Yes | Yes | No | No | No | No | No | Yes | Yes |
| The local filesystem | Yes | No | Yes | Yes | No | No | Yes | Yes | No | Yes | Yes |
| The local filesystem | No | No | Yes | Yes | No | No | Yes | Yes | No | Yes | Yes |
¹ Note Swift implements this in order to delete directory markers but
it doesn't actually have a quicker way of deleting files other than