$ git clone -n https://src.fedoraproject.org/rpms/obconf-qt.git /var/lib/mock/f45-build-20624-572/root/chroot_tmpdir/scmroot/obconf-qt
Cloning into '/var/lib/mock/f45-build-20624-572/root/chroot_tmpdir/scmroot/obconf-qt'...
$ git fetch origin 4e7078cf86e91e26abe6919c1ed0ab4cbd250eca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/obconf-qt
 * [new ref]         4e7078cf86e91e26abe6919c1ed0ab4cbd250eca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e7078c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild