$ git clone -n https://src.fedoraproject.org/rpms/qt4-theme-quarticurve.git /var/lib/mock/f45-build-34013-676/root/chroot_tmpdir/scmroot/qt4-theme-quarticurve
Cloning into '/var/lib/mock/f45-build-34013-676/root/chroot_tmpdir/scmroot/qt4-theme-quarticurve'...
$ git fetch origin 814c0e502eb016432136ebec7ba96c8284d6f588:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt4-theme-quarticurve
 * [new ref]         814c0e502eb016432136ebec7ba96c8284d6f588 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 814c0e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild