upgrade: document DELTAREUSEFULLADD in revlog.clone
The documentation of the `debugupgraderepo` command was updated when
`re-delta-fulladd` was introduced. However, the docstring of the `revlog.clone`
method was not.
Differential Revision: https://phab.mercurial-scm.org/D6900
--- a/mercurial/revlog.py Fri Sep 27 12:41:20 2019 +0200
+++ b/mercurial/revlog.py Fri Sep 27 13:10:47 2019 +0200
@@ -2360,6 +2360,10 @@
Deltas will never be reused. This is the slowest mode of execution.
This mode can be used to recompute deltas (e.g. if the diff/delta
algorithm changes).
+ DELTAREUSEFULLADD
+ Revision will be re-added as if their were new content. This is
+ slower than DELTAREUSEALWAYS but allow more mechanism to kicks in.
+ eg: large file detection and handling.
Delta computation can be slow, so the choice of delta reuse policy can
significantly affect run time.