@anchor{Stamping}
@section Hashing and stamping
-All targets are checksummed if their @file{ctime} differs from the
-previous one. @command{apenwarr/redo} gives
+All targets are checksummed if no @env{REDO_INODE_NO_TRUST} environment
+variable is set and target's @file{ctime} differs from the previous one.
+@command{apenwarr/redo} gives
@url{https://redo.readthedocs.io/en/latest/FAQImpl/#why-not-always-use-checksum-based-dependencies-instead-of-timestamps, many reasons}
why every time checksumming is bad, but in my opinion in practice all of
them do not apply.