$ git clone -n https://src.fedoraproject.org/rpms/scim-m17n.git /var/lib/mock/f45-build-35635-698/root/chroot_tmpdir/scmroot/scim-m17n
Cloning into '/var/lib/mock/f45-build-35635-698/root/chroot_tmpdir/scmroot/scim-m17n'...
$ git fetch origin 05ac16fd17a1664a3b17a14973914c14c980ebdc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scim-m17n
 * [new ref]         05ac16fd17a1664a3b17a14973914c14c980ebdc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05ac16f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild