$ git clone -n https://src.fedoraproject.org/rpms/fityk.git /var/lib/mock/f45-build-8995-397/root/chroot_tmpdir/scmroot/fityk
Cloning into '/var/lib/mock/f45-build-8995-397/root/chroot_tmpdir/scmroot/fityk'...
$ git fetch origin 7c94f7fc4265be762227a6974c860348376d53bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fityk
 * [new ref]         7c94f7fc4265be762227a6974c860348376d53bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c94f7f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild