$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Faker.git /var/lib/mock/f45-build-22830-594/root/chroot_tmpdir/scmroot/perl-Data-Faker
Cloning into '/var/lib/mock/f45-build-22830-594/root/chroot_tmpdir/scmroot/perl-Data-Faker'...
$ git fetch origin 649f3cdc22aba4b89ca7e9f18e434114753879f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Faker
 * [new ref]         649f3cdc22aba4b89ca7e9f18e434114753879f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 649f3cd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild