Makefile: clean up and add targets

Fixes: https://github.com/eworm-de/routeros-scripts/issues/112

Makefile

@@ -2,14 +2,22 @@
 #  template scripts -> final scripts
 #  markdown files -> html files
 
-CAPSMAN = $(wildcard *.capsman.rsc)
-LOCAL = $(wildcard *.local.rsc)
-WIFI = $(wildcard *.wifi.rsc)
+ALL_RSC		:= $(wildcard *.rsc */*.rsc)
+GEN_RSC		:= $(wildcard *.capsman.rsc *.local.rsc *.wifi.rsc)
 
-MARKDOWN = $(wildcard *.md doc/*.md doc/mod/*.md)
-HTML = $(MARKDOWN:.md=.html) style.css
+MARKDOWN	:= $(wildcard *.md doc/*.md doc/mod/*.md)
+HTML		:= $(MARKDOWN:.md=.html) style.css
 
-all: $(CAPSMAN) $(LOCAL) $(WIFI) $(HTML) checksums.json
+.PHONY: all checksums docs rsc clean
+
+all: checksums docs rsc
+
+checksums: checksums.json
+
+checksums.json: contrib/checksums.sh $(ALL_RSC)
+	contrib/checksums.sh > $@
+
+docs: $(HTML)
 
 style.css: contrib/general/style.css
 	cp $< $@
@@ -17,6 +25,8 @@ style.css: contrib/general/style.css
 %.html: %.md style.css contrib/html.sh contrib/html.sh.d/head.html
 	contrib/html.sh $< > $@
 
+rsc: $(GEN_RSC)
+
 %.capsman.rsc: %.template.rsc Makefile
 	sed -e '/\/interface\/wifi\//d' -e '/\/interface\/wireless\//d' -e 's|%TEMPL%|.capsman|' \
 		-e '/^# NOT \/caps-man\/ #$$/,/^# NOT \/caps-man\/ #$$/d' \
@@ -35,8 +45,5 @@ style.css: contrib/general/style.css
 		-e '/^# !!/,/^# !!/c # !! Do not edit this file, it is generated from template!' \
 		< $< > $@
 
-checksums.json: contrib/checksums.sh *.rsc */*.rsc
-	contrib/checksums.sh > $@
-
 clean:
 	rm -f $(HTML) checksums.json

global-functions.rsc

@@ -1310,10 +1310,19 @@
         }
       } do={
         $LogPrint warning $0 ("Failed fetching script '" . $ScriptVal->"name" . "': " . $Err);
+        :if ($Err != "Fetch failed with status 404") do={
+          :error false;
+        }
+
         :if ($ScriptVal->"source" = "#!rsc by RouterOS\n") do={
           $LogPrint warning $0 ("Removing dummy. Typo on installation?");
           /system/script/remove $Script;
         }
+        :if ([ :len ($ScriptInfo->"base-url") ] = 0 && [ :len ($ScriptInfo->"url-suffix") ] = 0 && \
+             [ :len $CheckSum ] = 0) do={
+          $LogPrintOnce warning $0 \
+              ("Added the script manually? Skip updates with 'ignore=true' in comment.");
+        }
         :error false;
       }