$ git clone -n https://src.fedoraproject.org/rpms/R-biglm.git /var/lib/mock/f31-build-108273-33831/root/chroot_tmpdir/scmroot/R-biglm
Cloning into '/var/lib/mock/f31-build-108273-33831/root/chroot_tmpdir/scmroot/R-biglm'...
$ git reset --hard 91ac541f4a115fafba98bcb2df8479cd542ef422
HEAD is now at 91ac541 Remove explicit dependencies provided by automatic dependency generator.