Eli Zaretskii writes: >> Date: Fri, 12 May 2023 23:10:05 +0300 >> Cc: 63470@debbugs.gnu.org >> From: Dmitry Gutov >> >> On 12/05/2023 22:57, Spencer Baugh wrote: >> > >> > I could add a user option to revert to the old behavior, if you want. >> >> We could cache it like we do with vc-git--program-version. That's a >> simple memoization that doesn't take the host into account (though that >> could be implemented, too). > > Yes, that'd be a good-enough solution. > >> But it'd really make things easier if we're just allowed to rely on some >> new enough versions of Git and Hg. > > It isn't easy to be backward-compatible, but we should strive at doing > that. OK, revised backwards-compatible patch attached.