If the conversion doesn't change the hash, and the cset is public in the source,
it should be public in the destination. (This can happen if file remapping is
done that doesn't affect the initial commits.) This also propagates the secret
phase from the source, regardless of the hash, because presumably the content is
what is secret. Otherwise, the destination commit stays in the draft phase.
Maybe any draft cset with an unchanged hash should be changed to public, because
it has effectively been shared, but convert pretty strongly implies throwing
away (or at least readonly archiving) the source repo.
The change in the rollback output is because the name of the outer transaction
is now 'convert', which seems more accurate. Unfortunately, the memctx won't
indicate the hash prior to committing, so the proper phase can't be applied with
the commit.
The repo is already write locked in mercurial_sink.before().
Convert will normally only process files that were changed in a source
revision, apply the filemap, and record it has a change in the target
repository. (If it ends up not really changing anything, nothing changes.)
That means that _if_ the filemap is changed before continuing an incremental
convert, the change will only kick in when the files it affects are modified in
a source revision and thus processed.
With --full, convert will make a full conversion every time and process
all files in the source repo and remove target repo files that shouldn't be
there. Filemap changes will thus kick in on the first converted revision, no
matter what is changed.
This flag should in most cases not make any difference but will make convert
significantly slower.
Other names has been considered for this feature, such as "resync", "sync",
"checkunmodified", "all" or "allfiles", but I found that they were less obvious
and required more explanation than "full" and were harder to describe
consistently.
Rollback or strip could leave a Mercurial repo with a shamap with revisions no
longer in the repository.
To ensure reliable conversions we now check that the commit actually exists and
consider it non-existing if it doesn't exist.
Mercurial tags can be local (tag -l, stored in .hg/localtags) or global (normal
tags, tracked in .hgtags) ... or extensions can add other kind of tags.
Convert would take all tags (except "tip"), not just the ones from .hgtags, and
put them into .hgtags.
Instead, convert only the global tags that come from .hgtags.
This is a simple find-and-replace strategy for matching anything in the
old description of a converted commit and, if that matched sha1 exists
in the mapping, replacing it with the new sha1.
In particular, this is helpful for descriptions that contain tags with
messages such as, "Added tag 1.0 for commit abcde1234567" which will now
be automatically converted.
Tests have been updated accordingly.
The reverse mapping was introduced in 51f9f23e6ccc to make roundtrip
conversions possible ... but it did not work when using filemap.
Roundtrips with filemaps will of course only work flawlessly if inverse
mappings are used.
Especially, if a lossy convert mapping is used in one direction, then only
linear lines of development can be converted in the other direction. With this
constraint convert will do the right thing by assuming that excluded files
haven't been changed.)
A test case with general coverage of hg-hg roundtrips with filemap is added.
(There a cases where adding records of converted revisions to the shamap in the
source repository doesn't work - especially when converting the same repo to
several other repos and back. It would arguably be better if convert only
updated the shamaps in the target repo but read shamaps from both the source
and and target repo ... but that is a different story. Making the stuff we have
work consistently is step forward no matter what.)
