$ git clone -n https://src.fedoraproject.org/rpms/libqalculate.git /var/lib/mock/f31-build-59312-28560/root/chroot_tmpdir/scmroot/libqalculate
Cloning into '/var/lib/mock/f31-build-59312-28560/root/chroot_tmpdir/scmroot/libqalculate'...
$ git reset --hard bc05be15c6c1db5236af004302c70242411936a4
HEAD is now at bc05be1 Update to 3.1.0