Summary:
Bypass truncation-based transaction if narrow-heads is on.
The transaction abort still works logically because commit references stay
unchanged on abort.
Related EdenFS and Mononoke tests are updated. Mononoke tests probably
shouldn't rely on revlog / fncache implementation details in hg.
Reviewed By: DurhamG
Differential Revision: D22240186
fbshipit-source-id: f97efd60855467b52c9fb83e7c794ded269e9617
Summary: This change all the tests to use strings as the command names.
Reviewed By: simpkins
Differential Revision: D19649479
fbshipit-source-id: 4b2cb9b3af73a7508ef359ee3c407d04a39c7893
Summary:
In preparation for merging fb-mercurial sources to the Eden repository,
move everything from the top-level directory into an `eden/scm`
subdirectory.
