$ git clone -n https://src.fedoraproject.org/rpms/python-basemap.git /var/lib/mock/f40-build-2256030-54271/root/chroot_tmpdir/scmroot/python-basemap
Cloning into '/var/lib/mock/f40-build-2256030-54271/root/chroot_tmpdir/scmroot/python-basemap'...
$ git fetch origin 0634cde6b43a34a62adda35d36fd3e798c302981:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-basemap
 * [new ref]         0634cde6b43a34a62adda35d36fd3e798c302981 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0634cde 1.4.0