$ git clone -n https://src.fedoraproject.org/rpms/python-psycopg2.git /var/lib/mock/f40-build-762018-121822/root/chroot_tmpdir/scmroot/python-psycopg2
Cloning into '/var/lib/mock/f40-build-762018-121822/root/chroot_tmpdir/scmroot/python-psycopg2'...
$ git reset --hard 99cb3252fb6fe66628b36fcc0bfda8eff4ed0d97
HEAD is now at 99cb325 Rebase to the latest upstream version