$ git clone -n https://src.fedoraproject.org/rpms/kf5-kirigami2.git /var/lib/mock/f45-build-14859-464/root/chroot_tmpdir/scmroot/kf5-kirigami2
Cloning into '/var/lib/mock/f45-build-14859-464/root/chroot_tmpdir/scmroot/kf5-kirigami2'...
$ git fetch origin d432c6712a28f0087c7d74805c7ae660d16d95d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kirigami2
 * [new ref]         d432c6712a28f0087c7d74805c7ae660d16d95d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d432c67 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild