$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtxmlpatterns.git /var/lib/mock/f45-build-34080-677/root/chroot_tmpdir/scmroot/qt5-qtxmlpatterns
Cloning into '/var/lib/mock/f45-build-34080-677/root/chroot_tmpdir/scmroot/qt5-qtxmlpatterns'...
$ git fetch origin 57a9fcce449ccaddcfede7e865dee59671501808:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtxmlpatterns
 * [new ref]         57a9fcce449ccaddcfede7e865dee59671501808 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57a9fcc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild