$ git clone -n https://src.fedoraproject.org/rpms/slirp4netns.git /var/lib/mock/f38-build-side-42-init-devel-583780-26093/root/chroot_tmpdir/scmroot/slirp4netns
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-583780-26093/root/chroot_tmpdir/scmroot/slirp4netns'...
$ git fetch origin e48c2c78fc66ad4f3e27e26e9ce407d4286565c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/slirp4netns
 * [new ref]         e48c2c78fc66ad4f3e27e26e9ce407d4286565c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e48c2c7 migrated to SPDX license