Make reset modes mutually exclusive

* Support variadic configuration of MutuallyExclusive
* Use it to forbid passing conflicting modes to `arc reset`
commit_hash:cf056645a91fde017d33cbfffe461229c9c3fc39

2 files changed, 18 insertions, 5 deletions

diff --git a/library/cpp/getopt/last_getopt_demo/demo.cpp b/library/cpp/getopt/last_getopt_demo/demo.cpp
index a0e82a936cd..3e98db97d4f 100644
--- a/library/cpp/getopt/last_getopt_demo/demo.cpp
+++ b/library/cpp/getopt/last_getopt_demo/demo.cpp
@@ -121,8 +121,8 @@ protected:
             })
             .Completer(NLastGetopt::NComp::File());
 
-        // These two options can't be together.
-        opts.MutuallyExclusive("post-file", "post-data");
+        // These options can not appear together.
+        opts.MutuallyExclusive("method", "post-file", "post-data");
 
         opts.AddLongOption("header")
             .RequiredArgument("header-line")
diff --git a/library/cpp/getopt/small/last_getopt_opts.h b/library/cpp/getopt/small/last_getopt_opts.h
index 718dbfcb893..cb1e0227633 100644
--- a/library/cpp/getopt/small/last_getopt_opts.h
+++ b/library/cpp/getopt/small/last_getopt_opts.h
@@ -398,9 +398,22 @@ namespace NLastGetopt {
          * Note: don't use this on options with default values. If option with default value wasn't specified,
          * parser will run handlers for default value, thus triggering a false-positive exclusivity check.
          */
-        template <typename T1, typename T2>
-        void MutuallyExclusive(T1&& opt1, T2&& opt2) {
-            MutuallyExclusiveOpt(GetOption(std::forward<T1>(opt1)), GetOption(std::forward<T2>(opt2)));
+        template <typename Opt1, typename Opt2>
+        void MutuallyExclusive(Opt1&& name1, Opt2&& name2) {
+            TOpt& opt1 = GetOption(name1);
+            TOpt& opt2 = GetOption(name2);
+            MutuallyExclusiveOpt(opt1, opt2);
+        }
+
+        template <typename Opt1, typename... OtherOpts>
+        void MutuallyExclusive(Opt1&& name1, OtherOpts&& ...otherNames) {
+            TOpt& opt1 = GetOption(name1);
+            std::array<std::string_view, sizeof...(OtherOpts)> otherNamesArr{otherNames...};
+            for (const auto& otherName: otherNamesArr) {
+                TOpt& otherOpt = GetOption(otherName);
+                MutuallyExclusiveOpt(opt1, otherOpt);
+            }
+            MutuallyExclusive(std::forward<OtherOpts>(otherNames)...);
         }
 
         /**