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sslutil: more robustly detect protocol support...
sslutil: more robustly detect protocol support The Python ssl module conditionally sets the TLS 1.1 and TLS 1.2 constants depending on whether HAVE_TLSv1_2 is defined. Yes, these are both tied to the same constant (I would think there would be separate constants for each version). Perhaps support for TLS 1.1 and 1.2 were added at the same time and the assumption is that OpenSSL either has neither or both. I don't know. As part of developing this patch, it was discovered that Apple's /usr/bin/python2.7 does not support TLS 1.1 and 1.2 (only TLS 1.0)! On OS X 10.11, Apple Python has the modern ssl module including SSLContext, but it doesn't appear to negotiate TLS 1.1+ nor does it expose the constants related to TLS 1.1+. Since this code is doing more robust feature detection (and not assuming modern ssl implies TLS 1.1+ support), we now get TLS 1.0 warnings when running on Apple Python. Hence the test changes. I'm not super thrilled about shipping a Mercurial that always whines about TLS 1.0 on OS X. We may want a follow-up patch to suppress this warning.

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base-revsets.txt
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# Base Revsets to be used with revsetbenchmarks.py script
#
# The goal of this file is to gather a limited amount of revsets that allow a
# good coverage of the internal revsets mechanisms. Revsets included should not
# be selected for their individual implementation, but for what they reveal of
# the internal implementation of smartsets classes (and their interactions).
#
# Use and update this file when you change internal implementation of these
# smartsets classes. Please include a comment explaining what each of your
# addition is testing. Also check if your changes to the smartset class makes
# some of the tests inadequate and replace them with a new one testing the same
# behavior.
#
# If you want to benchmark revsets predicate itself, check 'all-revsets.txt'.
#
# The current content of this file is currently likely not reaching this goal
# entirely, feel free, to audit its content and comment on each revset to
# highlight what internal mechanisms they test.
all()
draft()
::tip
draft() and ::tip
::tip and draft()
0::tip
roots(0::tip)
author(lmoscovicz)
author(mpm)
author(lmoscovicz) or author(mpm)
author(mpm) or author(lmoscovicz)
tip:0
0::
# those two `roots(...)` inputs are close to what phase movement use.
roots((tip~100::) - (tip~100::tip))
roots((0::) - (0::tip))
42:68 and roots(42:tip)
::p1(p1(tip))::
public()
:10000 and public()
draft()
:10000 and draft()
roots((0:tip)::)
(not public() - obsolete())
(_intlist('20000\x0020001')) and merge()
parents(20000)
(20000::) - (20000)
# The one below is used by rebase
(children(ancestor(tip~5, tip)) and ::(tip~5))::