$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Sprintf-Named.git /var/lib/mock/f45-build-27076-620/root/chroot_tmpdir/scmroot/perl-Text-Sprintf-Named
Cloning into '/var/lib/mock/f45-build-27076-620/root/chroot_tmpdir/scmroot/perl-Text-Sprintf-Named'...
$ git fetch origin 4e2b0e4560b52b3adb80cd14df06d7b7dc2f9f74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Sprintf-Named
 * [new ref]         4e2b0e4560b52b3adb80cd14df06d7b7dc2f9f74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e2b0e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild