topics: return early so that other if conditions don't get execute (issue5600)
We were not returning after the _changetopics() call and hence the if's below it
were also executed which resulted in changing of current topic.
This prevent current topic to be updated even when we only affect changeset
unrelated to the working copy.
Not that the rebase output change as it expose a new bug (rebased changeset gain
a topic)
# utility to setup pythonpath to point into the tested repository
export SRCDIR=`dirname $TESTDIR`
if [ -n "$PYTHONPATH" ]; then
export HGTEST_ORIG_PYTHONPATH=$PYTHONPATH
export PYTHONPATH=$SRCDIR:$PYTHONPATH
else
export PYTHONPATH=$SRCDIR
fi