$ git clone -n https://src.fedoraproject.org/rpms/R-geepack.git /var/lib/mock/f37-build-641409-71933/root/chroot_tmpdir/scmroot/R-geepack
Cloning into '/var/lib/mock/f37-build-641409-71933/root/chroot_tmpdir/scmroot/R-geepack'...
$ git reset --hard d94ef7b6ac0e348de6205bab26e1d67dbbbecff8
HEAD is now at d94ef7b Add extension to NEWS