$ git clone -n https://src.fedoraproject.org/rpms/cortado.git /var/lib/mock/f41-build-830554-14807/root/chroot_tmpdir/scmroot/cortado
Cloning into '/var/lib/mock/f41-build-830554-14807/root/chroot_tmpdir/scmroot/cortado'...
$ git fetch origin 190825daff7a67c7a4aed57827a93edabe99fcf8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cortado
 * [new ref]         190825daff7a67c7a4aed57827a93edabe99fcf8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 190825d Eliminate use of obsolete %patchN syntax (#2283636)