$ git clone -n https://src.fedoraproject.org/rpms/elinks.git /var/lib/mock/f38-build-709121-92732/root/chroot_tmpdir/scmroot/elinks
Cloning into '/var/lib/mock/f38-build-709121-92732/root/chroot_tmpdir/scmroot/elinks'...
$ git fetch origin bcfa84f8a80cd2ad07078502d86f5058677d06ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/elinks
 * [new ref]         bcfa84f8a80cd2ad07078502d86f5058677d06ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcfa84f parallel builds cause FTBFS