$ git clone -n https://src.fedoraproject.org/rpms/brazil.git /var/lib/mock/f41-build-883892-16584/root/chroot_tmpdir/scmroot/brazil
Cloning into '/var/lib/mock/f41-build-883892-16584/root/chroot_tmpdir/scmroot/brazil'...
$ git fetch origin b9390219a5617847674cd59ee6ac245a595b3dcb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brazil
 * [new ref]         b9390219a5617847674cd59ee6ac245a595b3dcb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b939021 Eliminate use of obsolete %patchN syntax (#2283636)