$ git clone -n https://src.fedoraproject.org/rpms/gnome-calendar.git /var/lib/mock/f31-build-76085-31357/root/chroot_tmpdir/scmroot/gnome-calendar
Cloning into '/var/lib/mock/f31-build-76085-31357/root/chroot_tmpdir/scmroot/gnome-calendar'...
$ git reset --hard 89efd2866de3cf312c73f83c0e9777d77a6c228f
HEAD is now at 89efd28 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild