$ git clone -n https://src.fedoraproject.org/rpms/R-roxygen2.git /var/lib/mock/f38-build-725363-99605/root/chroot_tmpdir/scmroot/R-roxygen2
Cloning into '/var/lib/mock/f38-build-725363-99605/root/chroot_tmpdir/scmroot/R-roxygen2'...
$ git reset --hard 2dc27175294e524a5dd8d264f9b438ccb9045e30
HEAD is now at 2dc2717 Ignore vignettes