$ git clone -n https://src.fedoraproject.org/rpms/elementary-calendar.git /var/lib/mock/f31-build-111650-34192/root/chroot_tmpdir/scmroot/elementary-calendar
Cloning into '/var/lib/mock/f31-build-111650-34192/root/chroot_tmpdir/scmroot/elementary-calendar'...
$ git reset --hard 7a9609429241fae0132f52e1842f73243f897175
HEAD is now at 7a96094 add proposed changes for compatibility with libecal-2.0