$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Peek.git /var/lib/mock/f45-build-22898-594/root/chroot_tmpdir/scmroot/perl-Data-Peek
Cloning into '/var/lib/mock/f45-build-22898-594/root/chroot_tmpdir/scmroot/perl-Data-Peek'...
$ git fetch origin bfd107fd4fbeadaec657286b48b30ebe0a70bff9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Peek
 * [new ref]         bfd107fd4fbeadaec657286b48b30ebe0a70bff9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfd107f Perl 5.44 rebuild