[FIX] version check URL, default for prompt

include/seqan3/argument_parser/detail/version_check.hpp

@@ -190,7 +190,7 @@ class version_checker
         // build up command for server call
         std::string command = program + // no user defined input
                               " " + out_file.string() + " "
-                            + std::string{"http://seqan-update.informatik.uni-tuebingen.de/check/SeqAn3_"} +
+                            + std::string{"https://seqan-update.cs.uni-tuebingen.de/check/SeqAn3_"} +
 #ifdef __linux
                               "Linux" +
 #elif __APPLE__
@@ -345,10 +345,10 @@ class version_checker
  This app can look for updates automatically in the background,
  do you want to do that?
 
-    [a] Always perform version checks for this app (the default).
+    [a] Always perform version checks for this app.
     [n] Never perform version checks for this app.
     [y] Yes, perform a version check now, and ask again tomorrow.
-    [s] Skip the version check now, but ask again tomorrow.
+    [s] Skip the version check now, but ask again tomorrow (the default).
 
  Please enter one of [a, n, y, s] and press [RETURN].
 
@@ -360,17 +360,18 @@ class version_checker
 )";
             std::string line{};
             std::getline(std::cin, line);
-            line.resize(1); // ignore everything but the first char or resizes the empty string to the default
+            line.resize(1, 's'); // ignore everything but the first char or resizes the empty string to the default
 
             switch (line[0])
             {
             case 'y':
             {
                 return true;
             }
-            case 's':
+            case 'a':
             {
-                return false;
+                write_cookie(std::string{"ALWAYS"}); // overwrite cookie
+                return true;
             }
             case 'n':
             {
@@ -379,8 +380,7 @@ class version_checker
             }
             default:
             {
-                write_cookie(std::string{"ALWAYS"}); // overwrite cookie
-                return true;
+                return false;
             }
             }
         }