debian: define extend-diff-ignore for dpkg-source
This makes it possible to build the source package from a hg checkout
(and a sdist) by having dpkg-source ignore files not distributed in
sdist.
#!/bin/sh
. $TESTDIR/testlib/pythonpath.sh
# This file holds logic that is used in many tests.
# It can be called in a test like this:
# $ . "$TESTDIR/testlib/topic_setup.sh"
# Enable obsolete markers and enable extensions
cat >> $HGRCPATH << EOF
[experimental]
evolution=createmarkers,exchange
[extensions]
rebase=
topic=
EOF