$ git clone -n https://src.fedoraproject.org/rpms/gnome-calendar.git /var/lib/mock/f40-build-744723-111799/root/chroot_tmpdir/scmroot/gnome-calendar
Cloning into '/var/lib/mock/f40-build-744723-111799/root/chroot_tmpdir/scmroot/gnome-calendar'...
$ git reset --hard 270a6120887d1e931cb87542e7055481399c6701
HEAD is now at 270a612 Update to 45.1