$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-CoreList.git /var/lib/mock/f45-build-24803-606/root/chroot_tmpdir/scmroot/perl-Module-CoreList
Cloning into '/var/lib/mock/f45-build-24803-606/root/chroot_tmpdir/scmroot/perl-Module-CoreList'...
$ git fetch origin 384d097dac2414c1cfc6b333e796e1d2181a3f8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-CoreList
 * [new ref]         384d097dac2414c1cfc6b333e796e1d2181a3f8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 384d097 5.20260820 bump (rhbz#2520868)