$ git clone -n https://src.fedoraproject.org/rpms/httptunnel.git /var/lib/mock/f41-build-side-1-2641922-26755/root/chroot_tmpdir/scmroot/httptunnel
Cloning into '/var/lib/mock/f41-build-side-1-2641922-26755/root/chroot_tmpdir/scmroot/httptunnel'...
$ git fetch origin 87e7c4a6cbc4c9f54d033765f7b6ce610afa8c9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/httptunnel
 * [new ref]         87e7c4a6cbc4c9f54d033765f7b6ce610afa8c9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87e7c4a convert GPLv2 license to SPDX