$ git clone -n https://src.fedoraproject.org/rpms/web-eid.git /var/lib/mock/f45-build-38289-723/root/chroot_tmpdir/scmroot/web-eid
Cloning into '/var/lib/mock/f45-build-38289-723/root/chroot_tmpdir/scmroot/web-eid'...
$ git fetch origin b673469a1f2b5a83a0e3d04f91f446efe5cf5554:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/web-eid
 * [new ref]         b673469a1f2b5a83a0e3d04f91f446efe5cf5554 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b673469 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild