introduce new web-doc target to publish only the web documentation

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>

build

@@ -331,14 +331,17 @@ eof
         done
     ;;
         
-    web)
-        set -e
+    web-doc)
         rsync -av "${basedir}/docs/web/" "${WEBTOPDIR}"
 
         cd "${WEBDIR}" && git add "${WEBBASE}"
         cd "${WEBDIR}" && git commit -m "cdist update" "${WEBBASE}" "${WEBPAGE}"
         cd "${WEBDIR}" && make pub
+    ;;
 
+    web)
+        set -e
+        $0 web-doc
         # Fix ikiwiki, which does not like symlinks for pseudo security
         ssh tee.schottelius.org \
           "cd /home/services/www/nico/www.nico.schottelius.org/www/software/cdist/man &&