$ git clone -n https://src.fedoraproject.org/rpms/R-whisker.git /var/lib/mock/f37-build-side-32-misc-devel-397018-16026/root/chroot_tmpdir/scmroot/R-whisker
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-397018-16026/root/chroot_tmpdir/scmroot/R-whisker'...
$ git reset --hard 5b1b1590f0412b4c11d60d6fbffe9a3cc8c0ab6b
HEAD is now at 5b1b159 rebuild for R 4.2.1