$ git clone -n https://src.fedoraproject.org/rpms/R-systemfit.git /var/lib/mock/f37-build-side-32-misc-devel-365428-15740/root/chroot_tmpdir/scmroot/R-systemfit
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-365428-15740/root/chroot_tmpdir/scmroot/R-systemfit'...
$ git reset --hard 4d5e085c4e728c11168191b3e934bcaff5128336
HEAD is now at 4d5e085 update to 1.1-26, rebuild for R 4.2.1