$ git clone -n https://src.fedoraproject.org/rpms/feh.git /var/lib/mock/f45-build-8896-396/root/chroot_tmpdir/scmroot/feh
Cloning into '/var/lib/mock/f45-build-8896-396/root/chroot_tmpdir/scmroot/feh'...
$ git fetch origin 6e990e30fea2e29cebf7a2cf6af37e92da111cf6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/feh
 * [new ref]         6e990e30fea2e29cebf7a2cf6af37e92da111cf6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e990e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild