It seems that transplant has issues / doesn't work with largefiles. hg transplant -s cmyotherrepo\ 42565 searching for changes applying 8af0b6b2ab7a abort: file ".hglf/file/file/file.7z" is a largefile standin (commit the largefile itself instead)
I will get a fix for this in ASAP.
Patch submitted to the Mercurial dev list for this: http://www.selenic.com/pipermail/mercurial-devel/2012-January/037612.html
Fixed by http://selenic.com/repo/hg/rev/bf502ccc46d7 Na'Tosha Bard <natosha@unity3d.com> largefiles: fix transplant for all cases (issue3192) (please test the fix)
--- Bug imported by bugzilla@serpentine.com 2012-05-12 09:26 EDT --- This bug was previously known as _bug_ 3192 at http://mercurial.selenic.com/bts/issue3192