$ git clone -n https://src.fedoraproject.org/rpms/R-expm.git /var/lib/mock/f31-build-93382-32397/root/chroot_tmpdir/scmroot/R-expm
Cloning into '/var/lib/mock/f31-build-93382-32397/root/chroot_tmpdir/scmroot/R-expm'...
$ git reset --hard 65f0b2c1c002ebd9a632181c2f926e22bdc018c0
HEAD is now at 65f0b2c Remove explicit dependencies provided by automatic dependency generator.