tests/bzr-definitions

py3: add __pycache__ to .hgignore

Something changed with Python 3 just like million on things. Maybe they should
named Python 3 as anaconda or cobra instead of just increasing the version
number.

This makes test-custom-filters.t pass on Python 3.

Differential Revision: https://phab.mercurial-scm.org/D5039

# this file holds the definitions that are used in various bzr tests

TERM=dumb; export TERM
echo '[extensions]' >> $HGRCPATH
echo 'convert = ' >> $HGRCPATH

glog()
{
    hg log -G --template '{rev}@{branch} "{desc|firstline}" files+: [{file_adds}], files-: [{file_dels}], files: [{file_mods}]\n' "$@"
}

manifest()
{
    echo "% manifest of $2"
    hg -R $1 manifest -v -r $2
}