$ git clone -n https://src.fedoraproject.org/rpms/python-sqlalchemy.git /var/lib/mock/f31-build-99646-33187/root/chroot_tmpdir/scmroot/python-sqlalchemy
Cloning into '/var/lib/mock/f31-build-99646-33187/root/chroot_tmpdir/scmroot/python-sqlalchemy'...
$ git reset --hard e3c1215a2ebb273996a4e5cc2f3998caa634a180
HEAD is now at e3c1215 require python3-mock for building