$ git clone -n https://src.fedoraproject.org/rpms/gnome-calculator.git /var/lib/mock/f31-build-91486-32311/root/chroot_tmpdir/scmroot/gnome-calculator
Cloning into '/var/lib/mock/f31-build-91486-32311/root/chroot_tmpdir/scmroot/gnome-calculator'...
$ git reset --hard 8636d3a1899f401fe08e1fb08ca004eefedbadb4
HEAD is now at 8636d3a Update to 3.33.90