$ git clone -n https://src.fedoraproject.org/rpms/R-kernlab.git /var/lib/mock/f38-build-721247-98499/root/chroot_tmpdir/scmroot/R-kernlab
Cloning into '/var/lib/mock/f38-build-721247-98499/root/chroot_tmpdir/scmroot/R-kernlab'...
$ git reset --hard 98e26d8c576e0d759113d0f5b79c6f6e7374f36b
HEAD is now at 98e26d8 Fix BuildRequires