tools_eget: improve error handling

bin/tools_eget

@@ -69,6 +69,7 @@ scat()
 {
     $CURL -L $CURLQ "$1"
 }
+
 # download to default name of to $2
 sget()
 {
@@ -163,14 +164,21 @@ if echo "$1" | grep -q "^https://github.com/" && ! echo "$1" | grep -q "/release
     MASK="$2"
 
     if [ -n "$LISTONLY" ] ; then
-        get_github_urls "$1" | filter_glob "$MASK" | filter_order
+        fn=''
+        for fn in $(get_github_urls "$1" | filter_glob "$MASK" | filter_order) ; do
+            echo "$fn"
+        done
+        test -n "$fn"
         exit
     fi
 
+    ERROR=0
+    fn=''
     for fn in $(get_github_urls "$1" | filter_glob "$MASK" | filter_order) ; do
         sget "$fn" || ERROR=1
     done
-    exit
+    test -n "$fn" || ERROR=1
+    exit $ERROR
 fi
 
 
@@ -206,16 +214,20 @@ get_urls()
 }
 
 if [ -n "$LISTONLY" ] ; then
+    fn=''
     for fn in $(get_urls | filter_glob "$MASK" | filter_order) ; do
         # TODO: return full url? someone use old behaviour?
         echo "$(basename "$fn")"
     done
+    test -n "$fn"
     exit
 fi
 
 ERROR=0
+fn=''
 for fn in $(get_urls | filter_glob "$MASK" | filter_order) ; do
     sget "$URL/$(basename "$fn")" || ERROR=1
 done
+test -n "$fn" || ERROR=1
 exit $ERROR