$ git clone -n https://src.fedoraproject.org/rpms/llhttp.git /var/lib/mock/f40-build-2068059-49291/root/chroot_tmpdir/scmroot/llhttp
Cloning into '/var/lib/mock/f40-build-2068059-49291/root/chroot_tmpdir/scmroot/llhttp'...
$ git fetch origin db88504de0a4b053d240cfb835cc8d3f4202c816:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/llhttp
 * [new ref]         db88504de0a4b053d240cfb835cc8d3f4202c816 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db88504 Update to 9.1.3 (close RHBZ#2242220)