$ git clone -n https://src.fedoraproject.org/rpms/armadillo.git /var/lib/mock/f41-build-side-1-3065348-38603/root/chroot_tmpdir/scmroot/armadillo
Cloning into '/var/lib/mock/f41-build-side-1-3065348-38603/root/chroot_tmpdir/scmroot/armadillo'...
$ git fetch origin 30b5b23c1240b84813b959694ac284b13a9ffb14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/armadillo
 * [new ref]         30b5b23c1240b84813b959694ac284b13a9ffb14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30b5b23 convert ASL 2.0 license to SPDX