$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-CoreList.git /var/lib/mock/f43-perl-60945919-6586580/root/chroot_tmpdir/scmroot/perl-Module-CoreList
Cloning into '/var/lib/mock/f43-perl-60945919-6586580/root/chroot_tmpdir/scmroot/perl-Module-CoreList'...
$ git fetch origin 82be81eb0170604cb11d4e921c3aee58b3a28ee0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-CoreList
 * [new ref]         82be81eb0170604cb11d4e921c3aee58b3a28ee0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82be81e Increase release to favour standalone package