$ git clone -n https://src.fedoraproject.org/rpms/fastnetmon.git /var/lib/mock/f40-build-780404-130941/root/chroot_tmpdir/scmroot/fastnetmon
Cloning into '/var/lib/mock/f40-build-780404-130941/root/chroot_tmpdir/scmroot/fastnetmon'...
$ git fetch origin b7f2858f11f16e83d7748f03347c9a9c68ce0053:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastnetmon
 * [new ref]         b7f2858f11f16e83d7748f03347c9a9c68ce0053 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7f2858 Rebuilt for abseil-cpp-20240116.0