diff options
Diffstat (limited to 'internal/persistence/txn.go')
| -rw-r--r-- | internal/persistence/txn.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/internal/persistence/txn.go b/internal/persistence/txn.go index 8ba21fa..9939204 100644 --- a/internal/persistence/txn.go +++ b/internal/persistence/txn.go @@ -201,8 +201,10 @@ func (t *Transaction) Move(oldPath, newPath string) error { if dst.Kind != kindMoveTarget && dst.Kind != "" { return fmt.Errorf("conflicting operation on %s", newPath) } - // An existing replace/delete on the destination becomes a move-target - // (the destination's before-image governs rollback). + // The destination must not already carry a replace/delete: callers must + // issue Move before any Replace on the destination. A destination already + // recorded as a move-target (a chained move) keeps its before-image for + // rollback. dst.Kind = kindMoveTarget src.Kind = kindMove src.MoveTo = newPath |