setup: prevent setuptools from laying an egg Previously, test-hghave.t was failing on Windows (and on Linux if $FORCE_SETUPTOOLS was set) with the following: --- c:/Users/Matt/Projects/hg/tests/test-hghave.t +++ c:/Users/Matt/Projects/hg/tests/test-hghave.t.err @@ -19,7 +19,11 @@ > foo > EOF $ run-tests.py $HGTEST_RUN_TESTS_PURE test-hghaveaddon.t + warning: Testing with unexpected mercurial lib: c:\Users\Matt\Projects\hg\mercurial + (expected ...\hgtests.mu9rou\install\lib\python\mercurial) . + warning: Tested with unexpected mercurial lib: c:\Users\Matt\Projects\hg\mercurial + (expected ...\hgtests.mu9rou\install\lib\python\mercurial) Augie relayed concerns[1] about the first attempt at this, which also excluded 'install_egg_info'. All that needs to be excluded to avoid the egg and make the test work is to filter out 'bdist_egg'. (Actually, the body of this class could simply be 'pass', and 'bdist_egg' still isn't run. But that seems to magical.) Also note that prior to this (and still now), `make clean` doesn't delete the 'mercurial.egg-info' that is generated by `make install`. [1] https://www.mercurial-scm.org/pipermail/mercurial-devel/2017-May/097668.html # no-check-commit

bitmanipulation: add missing include of string.h That's where memcpy() is declared.

py3: add test to show `hg update` and `hg identify` works on Python 3

py3: add a test to show `hg diff` works on Python 3

py3: implement __bytes__ for committablectx Before this method, calling bytes on workingctx or memctx calls basectx.__bytes__ since the magic method was not defined for this class. When it calls the method from basectx class, it returns TypeError because None is passed into it. After this commit `hg update -C` works on Python 3 if eol is not enabled.

py3: convert exception to bytes to pass into ui.warn() Here encoding.strtolocal() is used because exc maybe an IOError which could contain a valid non-ascii unicode.