$ git clone -n https://src.fedoraproject.org/rpms/R-rprojroot.git /var/lib/mock/f37-build-side-32-misc-devel-134125-7966/root/chroot_tmpdir/scmroot/R-rprojroot
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-134125-7966/root/chroot_tmpdir/scmroot/R-rprojroot'...
$ git reset --hard 703f105f168c0bc0eb571d0d0e6b136f2c63520f
HEAD is now at 703f105 Disable bootstrap