make  HOME="$INSTALL_ROOT/usr"  install  &&
case $GIT_DOC in
    manpages)
      for FF in man1 man7;do
         cp -ra $FF $INSTALL_ROOT/usr/share/man
      done
      ;;
    htmldocs)
      GIT_HTML=$INSTALL_ROOT/usr/share/doc/git/html   &&
      mkdir -p $GIT_HTML                              &&
      cp  -a *.html howto/*.html $GIT_HTML
      ;;
esac
