$ git clone -n https://src.fedoraproject.org/rpms/R-XVector.git /var/lib/mock/f31-build-113707-34412/root/chroot_tmpdir/scmroot/R-XVector
Cloning into '/var/lib/mock/f31-build-113707-34412/root/chroot_tmpdir/scmroot/R-XVector'...
$ git reset --hard 1ef4e6cbb2085919de1eb04861f980f8c95aef36
HEAD is now at 1ef4e6c Remove explicit dependencies provided by automatic dependency generator.