$ git clone -n https://src.fedoraproject.org/rpms/perl-Sort-Maker.git /var/lib/mock/f45-build-26216-616/root/chroot_tmpdir/scmroot/perl-Sort-Maker
Cloning into '/var/lib/mock/f45-build-26216-616/root/chroot_tmpdir/scmroot/perl-Sort-Maker'...
$ git fetch origin 92221d6f6d5ada80d399723be93b2de3dc2ecd3d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sort-Maker
 * [new ref]         92221d6f6d5ada80d399723be93b2de3dc2ecd3d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92221d6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild