$ git clone -n https://src.fedoraproject.org/rpms/fastnetmon.git /var/lib/mock/f38-build-side-42-init-devel-595350-26162/root/chroot_tmpdir/scmroot/fastnetmon
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-595350-26162/root/chroot_tmpdir/scmroot/fastnetmon'...
$ git fetch origin 0a5b2bfbb1dcab491a8164692337fe8170172f21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastnetmon
 * [new ref]         0a5b2bfbb1dcab491a8164692337fe8170172f21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a5b2bf Add missing header for g++13