Mercurial rev 88d9d4ec499e removed localrepository.push. We don't do it the
other way round (wrap push if exchange.push is available) because that's been
available with a different signature since Mercurial 3.0.
Mercurial rev 20bb6e6b4dc5 removed localrepository.pull. We don't do it the
other way round (wrap pull if exchange.pull is available) because that's been
available with a different signature since Mercurial 3.0.
A new property called _tagscache was introduced in Mercurial 2.0, so the cache
wasn't actually working.
The contract for tags() also changed at some point -- it stopped returning
nodes that weren't in the repo. This will need to be accounted for if we
start using the tags cache again. However, it isn't very clear whether the
Mercurial tags cache is actually worth doing, since we already have a
separate in-memory cache for Git tags in the handler.
Currently we call hgrepo.tags() separately for each tag. (This should be fixed
at some point.) This avoids initializing a separate git handler for each tag.
For a repository with over 150 tags, this brings down a no-op hg pull by 0.05
seconds.
While working on some other tests, I noticed that the push command was returning
exit code 1 on success. This changeset makes hgrepo.push use the same return
code contract as localrepo.push, which makes the exit codes behave as expected.
Previously, we appended to .hg/localtags on every pull. This meant
that we never deleted refs that disappeared on the remote server, and
the file length grew without bound. Now we use our own file
(.hg/git-remote-refs) and we do prune refs that disappear from the
remote server.
