$ git clone -n https://src.fedoraproject.org/rpms/jtidy.git /var/lib/mock/f41-build-786014-13590/root/chroot_tmpdir/scmroot/jtidy
Cloning into '/var/lib/mock/f41-build-786014-13590/root/chroot_tmpdir/scmroot/jtidy'...
$ git fetch origin 5ba6b05df32131f493c78e7c76562217a46c0426:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jtidy
 * [new ref]         5ba6b05df32131f493c78e7c76562217a46c0426 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ba6b05 Eliminate use of obsolete %patchN syntax (#2283636)