$ git clone -n https://src.fedoraproject.org/rpms/libptytty.git /var/lib/mock/f45-build-16793-491/root/chroot_tmpdir/scmroot/libptytty
Cloning into '/var/lib/mock/f45-build-16793-491/root/chroot_tmpdir/scmroot/libptytty'...
$ git fetch origin f253a52845558f9b3a1bbd90fb2f74cb69659554:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libptytty
 * [new ref]         f253a52845558f9b3a1bbd90fb2f74cb69659554 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f253a52 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild