$ git clone -n https://src.fedoraproject.org/rpms/kf5-krunner.git /var/lib/mock/f45-build-14910-465/root/chroot_tmpdir/scmroot/kf5-krunner
Cloning into '/var/lib/mock/f45-build-14910-465/root/chroot_tmpdir/scmroot/kf5-krunner'...
$ git fetch origin ef9074ecc5df6804dd8fb0c93ee84fefdb9c319b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-krunner
 * [new ref]         ef9074ecc5df6804dd8fb0c93ee84fefdb9c319b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef9074e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild