stack: exclude obsolete changeset from the set
We care about relevant changeset, obsolete have a new version somewhere and we
don't care about the old one in our display.
In case of unstability, the ordering used is still wrong.
#!/bin/sh
# This file holds logic that is used in many tests.
# It can be called in a test like this:
# $ . "$TESTDIR/testlib"
# Enable obsolete markers and enable extensions
cat >> $HGRCPATH << EOF
[experimental]
evolution=createmarkers,exchange
[extensions]
rebase=
EOF
echo "topic=$(echo $(dirname $TESTDIR))/src/topic" >> $HGRCPATH