$ git clone -n https://src.fedoraproject.org/rpms/psmisc.git /var/lib/mock/f45-build-28995-634/root/chroot_tmpdir/scmroot/psmisc
Cloning into '/var/lib/mock/f45-build-28995-634/root/chroot_tmpdir/scmroot/psmisc'...
$ git fetch origin 6b4432812deace66acbb3f74984253ad43468880:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/psmisc
 * [new ref]         6b4432812deace66acbb3f74984253ad43468880 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b44328 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild