$ git clone -n https://src.fedoraproject.org/rpms/R-vctrs.git /var/lib/mock/f33-build-342784-58931/root/chroot_tmpdir/scmroot/R-vctrs
Cloning into '/var/lib/mock/f33-build-342784-58931/root/chroot_tmpdir/scmroot/R-vctrs'...
$ git reset --hard 39fb49408cdcf4756ef7921c59a61854b3da3ef8
HEAD is now at 39fb494 Update to latest version.