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move: fix data loss when moving the same object

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This checks to see if IDs are the same of the source and destination
object before deleting one of them and potentially causing data loss.

See: https://forum.rclone.org/t/files-deleted-and-not-moved/21830
This commit is contained in:
Nick Craig-Wood
2021-01-26 17:44:24 +00:00
parent e6a9f005d6
commit 06f1c0c61c
2 changed files with 18 additions and 4 deletions
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16
fs/operations/operations.go
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@ -529,11 +529,21 @@ func Copy(ctx context.Context, f fs.Fs, dst fs.Object, remote string, src fs.Obj
// SameObject returns true if src and dst could be pointing to the
// same object.
func SameObject(src, dst fs.Object) bool {
if !SameConfig(src.Fs(), dst.Fs()) {
srcFs, dstFs := src.Fs(), dst.Fs()
if !SameConfig(srcFs, dstFs) {
// If same remote type then check ID of objects if available
doSrcID, srcIDOK := src.(fs.IDer)
doDstID, dstIDOK := dst.(fs.IDer)
if srcIDOK && dstIDOK && SameRemoteType(srcFs, dstFs) {
srcID, dstID := doSrcID.ID(), doDstID.ID()
if srcID != "" && srcID == dstID {
return true
}
}
return false
}
srcPath := path.Join(src.Fs().Root(), src.Remote())
dstPath := path.Join(dst.Fs().Root(), dst.Remote())
srcPath := path.Join(srcFs.Root(), src.Remote())
dstPath := path.Join(dstFs.Root(), dst.Remote())
if dst.Fs().Features().CaseInsensitive {
srcPath = strings.ToLower(srcPath)
dstPath = strings.ToLower(dstPath)