$ git clone -n https://src.fedoraproject.org/rpms/tsung.git /var/lib/mock/f40-build-2102486-50549/root/chroot_tmpdir/scmroot/tsung
Cloning into '/var/lib/mock/f40-build-2102486-50549/root/chroot_tmpdir/scmroot/tsung'...
$ git fetch origin b450f046e63eef450826e366b2d9ec0a1eafe800:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tsung
 * [new ref]         b450f046e63eef450826e366b2d9ec0a1eafe800 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b450f04 Migrated to SPDX license