Eamonn Kent <ekent@fb.com> [Wed, 06 Dec 2017 18:37:49 -0800] rev 35321
fsmonitor: remove watchman transaction and working copy change notifications
Remove working copy change and transaction notifications. We were relying
upon callbacks on transaction function. This caused issues with lock ordering.
A different approach will be adopted in a subsequent commit.
Differential Revision: https://phab.mercurial-scm.org/D1611
patch: catch unexpected case in _inlinediff
If operation is neither 'diff.inserted' or 'diff.deleted', label and token won't
be define. This patch explicitely catches that exception.