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Code Issues Releases Activity

dircache: factor DirMove code out of backends into dircache

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Before this change there was lots of duplicated code in all the
dircache using backends to support DirMove.

This change factors this code into the dircache library.
This commit is contained in:
Nick Craig-Wood
2020-05-12 11:39:30 +01:00
parent a8652e2252
commit 2121c0fa23
10 changed files with 87 additions and 261 deletions
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29
backend/sugarsync/sugarsync.go
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@ -1019,39 +1019,14 @@ func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string
fs.Debugf(srcFs, "Can't move directory - not same remote type")
return fs.ErrorCantDirMove
}
srcPath := path.Join(srcFs.root, srcRemote)
dstPath := path.Join(f.root, dstRemote)
// Refuse to move to or from the root
if srcPath == "" || dstPath == "" {
fs.Debugf(src, "DirMove error: Can't move root")
return errors.New("can't move root directory")
}
// Find ID of dst parent, creating subdirs if necessary
leaf, directoryID, err := f.dirCache.FindPath(ctx, dstRemote, true)
if err != nil {
return err
}
// Check destination does not exist
_, err = f.dirCache.FindDir(ctx, dstRemote, false)
if err == fs.ErrorDirNotFound {
// OK
} else if err != nil {
return err
} else {
return fs.ErrorDirExists
}
// Find ID of src
srcID, err := srcFs.dirCache.FindDir(ctx, srcRemote, false)
srcID, _, _, dstDirectoryID, dstLeaf, err := f.dirCache.DirMove(ctx, srcFs.dirCache, srcFs.root, srcRemote, f.root, dstRemote)
if err != nil {
return err
}
// Do the move
err = f.moveDir(ctx, srcID, leaf, directoryID)
err = f.moveDir(ctx, srcID, dstLeaf, dstDirectoryID)
if err != nil {
return err
}