stack: demonstrate that not reusing cached property gives different results Instead of using self._dependencies, which is a cached property, let's get fresh deps and rdeps in stack.revs method using a newly introduced stack.builddependencies method (will be removed in the next patch). This makes it easier to explain why the next patch is correct.

#!/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