view tests/test-revlog-raw.py.out @ 45915:8f50dc096cf4

errors: introduce SecurityError and use it in a few places

This is part of
https://www.mercurial-scm.org/wiki/ErrorCategoriesPlan. There are
perhaps more errors in `sslutil.py` that should raise `SecurityError`;
I picked the most clear ones to start with.

Differential Revision: https://phab.mercurial-scm.org/D9390

local test passed
addgroupcopy test passed
clone test passed
lowlevelcopy test passed
slicing test passed
issnapshot test passed
findsnapshot test passed