$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Cookies.git /var/lib/mock/f40-build-2017968-46365/root/chroot_tmpdir/scmroot/perl-HTTP-Cookies
Cloning into '/var/lib/mock/f40-build-2017968-46365/root/chroot_tmpdir/scmroot/perl-HTTP-Cookies'...
$ git fetch origin a18c3e57f9e7ad12d1aab2ee390ab33a88528fb4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Cookies
 * [new ref]         a18c3e57f9e7ad12d1aab2ee390ab33a88528fb4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a18c3e5 6.11 bump