$ git clone -n https://src.fedoraproject.org/rpms/jed.git /var/lib/mock/f41-build-804593-13846/root/chroot_tmpdir/scmroot/jed
Cloning into '/var/lib/mock/f41-build-804593-13846/root/chroot_tmpdir/scmroot/jed'...
$ git fetch origin 49803f29c79087573938e1701b35a62aa2cf1d1b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jed
 * [new ref]         49803f29c79087573938e1701b35a62aa2cf1d1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49803f2 Eliminate use of obsolete %patchN syntax (#2283636)