their_version=$(chdist_base apt-get source--only-source-t"$BASESUITE"--no-act"$p" | sed"s/^Selected version '\\([^']*\\)' ($BASESUITE) for .*/\\1/;t;d")
if test-z"$their_version";then
echo"cannot determine source version for $p"
exit 1
fi
if test-n"$our_version"&& dpkg --compare-versions"$our_version" gt "$their_version";then