view tests/test-filelog.py.out @ 45064:41b32cbc53f8

commitctx: document _filecommit input and output

This is the beginning of a larger refactoring/cleanup of the commitctx code to
clarify and augment the logic gathering metadata useful for copy tracing. The
current code is a tad too long and entangled to make such update easy. We start
with easy and small cleanup.

Differential Revision: https://phab.mercurial-scm.org/D8699

ERROR: FIXME: This is a known failure of filelog.size for data starting with \1\n
OK.