$ git clone -n https://src.fedoraproject.org/rpms/drupal7.git /var/lib/mock/f41-build-1018494-17947/root/chroot_tmpdir/scmroot/drupal7
Cloning into '/var/lib/mock/f41-build-1018494-17947/root/chroot_tmpdir/scmroot/drupal7'...
$ git fetch origin aa3c03ad3342ee8f10d6e360e5d6f300b75bce95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/drupal7
 * [new ref]         aa3c03ad3342ee8f10d6e360e5d6f300b75bce95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa3c03a Eliminate use of obsolete %patchN syntax (#2283636)