[darcs-users] darcs patch: ./src/ByteStringUtils.hs: remove trailin... (and 64 more)

[Stephen J. Turnbull]

Max Battcher writes:

 > > Hm.  I would suppose that the only way to get a dependency on a
 > > tag would be an explicit dependency (eg via "darcs commit
 > > --ask-deps").  Using "darcs unrecord" would be a little
 > > risky[...].  But it seems like it could work in principle.
 > 
 > In practice though, I think it would probably make more sense in darcs just
 > to make a (auto-) clone repository for your "moving tag"...  That is just
 > create a "latest-clean" repository and keep that up-to-date (just as you
 > might have a "stable", or "buildbot-approved" repository).

Note that we're not talking about "me" here, we're talking about the
"official" Darcs repo.

 > Also, I think that your unrecord then re-tag situation won't work in
 > practice (due to other patches depending on your tag) without modifications
 > to darcs.

How can a patch depend on a (non-checkpoint) tag?  (Without an
explicit dependency, that is.)  I thought a tag was basically an empty
patch.  How can that not commute?