$ git clone -n https://src.fedoraproject.org/rpms/python-ccdproc.git /var/lib/mock/f40-build-2526700-61812/root/chroot_tmpdir/scmroot/python-ccdproc
Cloning into '/var/lib/mock/f40-build-2526700-61812/root/chroot_tmpdir/scmroot/python-ccdproc'...
$ git fetch origin 9ddf592e7a1bd45883b3f4e33556b8df3831ef00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ccdproc
 * [new ref]         9ddf592e7a1bd45883b3f4e33556b8df3831ef00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ddf592 Convert to %autorelease and %autochangelog