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fs: Add directory to optional Purge interface - fixes #1891

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- add a directory to the optional Purge interface
- fix up all the backends
- add an additional integration test to test for the feature
- use the new feature in operations.Purge

Many of the backends had been prepared in advance for this so the
change was trivial for them.
This commit is contained in:
Nick Craig-Wood
2020-06-04 22:25:14 +01:00
parent c2f3949ded
commit a2afa9aadd
31 changed files with 244 additions and 222 deletions
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62
backend/putio/fs.go
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@@ -458,10 +458,9 @@ func (f *Fs) Mkdir(ctx context.Context, dir string) (err error) {
return err
}
// Rmdir deletes the container
//
// Returns an error if it isn't empty
func (f *Fs) Rmdir(ctx context.Context, dir string) (err error) {
// purgeCheck removes the root directory, if check is set then it
// refuses to do so if it has anything in
func (f *Fs) purgeCheck(ctx context.Context, dir string, check bool) (err error) {
// defer log.Trace(f, "dir=%v", dir)("err=%v", &err)
root := strings.Trim(path.Join(f.root, dir), "/")
@@ -478,18 +477,20 @@ func (f *Fs) Rmdir(ctx context.Context, dir string) (err error) {
}
dirID := atoi(directoryID)
// check directory empty
var children []putio.File
err = f.pacer.Call(func() (bool, error) {
// fs.Debugf(f, "listing files: %d", dirID)
children, _, err = f.client.Files.List(ctx, dirID)
return shouldRetry(err)
})
if err != nil {
return errors.Wrap(err, "Rmdir")
}
if len(children) != 0 {
return errors.New("directory not empty")
if check {
// check directory empty
var children []putio.File
err = f.pacer.Call(func() (bool, error) {
// fs.Debugf(f, "listing files: %d", dirID)
children, _, err = f.client.Files.List(ctx, dirID)
return shouldRetry(err)
})
if err != nil {
return errors.Wrap(err, "Rmdir")
}
if len(children) != 0 {
return errors.New("directory not empty")
}
}
// remove it
@@ -502,35 +503,26 @@ func (f *Fs) Rmdir(ctx context.Context, dir string) (err error) {
return err
}
// Rmdir deletes the container
//
// Returns an error if it isn't empty
func (f *Fs) Rmdir(ctx context.Context, dir string) (err error) {
return f.purgeCheck(ctx, dir, true)
}
// Precision returns the precision
func (f *Fs) Precision() time.Duration {
return time.Second
}
// Purge deletes all the files and the container
// 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) (err error) {
func (f *Fs) Purge(ctx context.Context, dir string) (err error) {
// defer log.Trace(f, "")("err=%v", &err)
if f.root == "" {
return errors.New("can't purge root directory")
}
rootIDs, err := f.dirCache.RootID(ctx, false)
if err != nil {
return err
}
rootID := atoi(rootIDs)
// Let putio delete the filesystem tree
err = f.pacer.Call(func() (bool, error) {
// fs.Debugf(f, "deleting file: %d", rootID)
err = f.client.Files.Delete(ctx, rootID)
return shouldRetry(err)
})
f.dirCache.ResetRoot()
return err
return f.purgeCheck(ctx, dir, false)
}
// Copy src to this remote using server side copy operations.