$ git clone -n https://src.fedoraproject.org/rpms/mod_md.git /var/lib/mock/f40-build-791342-137475/root/chroot_tmpdir/scmroot/mod_md
Cloning into '/var/lib/mock/f40-build-791342-137475/root/chroot_tmpdir/scmroot/mod_md'...
$ git fetch origin 5e8407500f7671a66e3593fcf803ddd7063f9728:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_md
 * [new ref]         5e8407500f7671a66e3593fcf803ddd7063f9728 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e84075 update to 2.4.26