File 6433-ct-ct_hooks_order-option.patch of Package erlang

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File 6433-ct-ct_hooks_order-option.patch of Package erlang (Revision dcd1e7a9f13fcca568b5570b1faadc72)

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From c4e0179da6b1d26dfba7c187e5ac3d1e0c938b27 Mon Sep 17 00:00:00 2001
From: Jakub Witczak <kuba@erlang.org>
Date: Wed, 12 Jul 2023 14:21:06 +0200
Subject: [PATCH 3/6] ct: ct_hooks_order option

---
 lib/common_test/src/ct.erl           |   4 +-
 lib/common_test/src/ct_framework.erl |   2 +
 lib/common_test/src/ct_hooks.erl     | 148 +++++++++++++++++++++------
 lib/common_test/src/ct_run.erl       |  29 +++++-
 lib/common_test/src/ct_testspec.erl  |   4 +
 lib/common_test/src/ct_util.hrl      |   3 +-
 6 files changed, 151 insertions(+), 39 deletions(-)

diff --git a/lib/common_test/src/ct.erl b/lib/common_test/src/ct.erl
index 012bb5c740..0c4166783e 100644
--- a/lib/common_test/src/ct.erl
+++ b/lib/common_test/src/ct.erl
@@ -170,6 +170,7 @@ run(TestDirs) ->
                       | {esc_chars, boolean()}
                       | {keep_logs,KeepSpec}
                       | {ct_hooks, CTHs}
+                      | {ct_hooks_order, CTHsOrder}
                       | {enable_builtin_hooks, boolean()}
                       | {release_shell, boolean()},
            TestDirs :: [string()] | string(),
@@ -211,6 +212,7 @@ run(TestDirs) ->
            Category :: atom(),
            KeepSpec :: all | pos_integer(),
            CTHs :: [CTHModule | {CTHModule, CTHInitArgs}],
+           CTHsOrder :: atom(),
            CTHModule :: atom(),
            CTHInitArgs :: term(),
            Result :: {Ok, Failed, {UserSkipped, AutoSkipped}} | TestRunnerPid | {error, Reason},
diff --git a/lib/common_test/src/ct_framework.erl b/lib/common_test/src/ct_framework.erl
index ad01da29f6..7c704e36be 100644
--- a/lib/common_test/src/ct_framework.erl
+++ b/lib/common_test/src/ct_framework.erl
@@ -606,6 +606,8 @@ configure([{timetrap,Time}|Rest],Info,SuiteInfo,Scope,PostInitHook,Config) ->
     configure(Rest,Info,SuiteInfo,Scope,PostInitHook1,Config);
 configure([{ct_hooks,Hook}|Rest],Info,SuiteInfo,Scope,PostInitHook,Config) ->
     configure(Rest,Info,SuiteInfo,Scope,PostInitHook,[{ct_hooks,Hook}|Config]);
+configure([{ct_hooks_order,Order}|Rest],Info,SuiteInfo,Scope,PostInitHook,Config) ->
+    configure(Rest,Info,SuiteInfo,Scope,PostInitHook,[{ct_hooks_order,Order}|Config]);
 configure([_|Rest],Info,SuiteInfo,Scope,PostInitHook,Config) ->
     configure(Rest,Info,SuiteInfo,Scope,PostInitHook,Config);
 configure([],_,_,_,PostInitHook,Config) ->
diff --git a/lib/common_test/src/ct_hooks.erl b/lib/common_test/src/ct_hooks.erl
index 23fadcbc2c..6144b2458c 100644
--- a/lib/common_test/src/ct_hooks.erl
+++ b/lib/common_test/src/ct_hooks.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 2004-2021. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2023. All Rights Reserved.
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -31,7 +31,8 @@
 -export([on_tc_fail/2]).
 
 %% If you change this, remember to update ct_util:look -> stop clause as well.
--define(config_name, ct_hooks).
+-define(hooks_name, ct_hooks).
+-define(hooks_order_name, ct_hooks_order).
 
 %% All of the hooks which are to be started by default. Remove by issuing
 %% -enable_builtin_hooks false to when starting common test.
@@ -49,6 +50,7 @@
 -spec init(State :: term()) -> ok |
 			       {fail, Reason :: term()}.
 init(Opts) ->
+    process_hooks_order(?FUNCTION_NAME, Opts),
     call(get_builtin_hooks(Opts) ++ get_new_hooks(Opts, undefined),
 	 ok, init, []).
 
@@ -56,16 +58,16 @@ init(Opts) ->
 groups(Mod, Groups) ->
     Info = try proplists:get_value(ct_hooks, Mod:suite(), []) of
                CTHooks when is_list(CTHooks) ->
-                   [{?config_name,CTHooks}];
+                   [{?hooks_name,CTHooks}];
                CTHook when is_atom(CTHook) ->
-                   [{?config_name,[CTHook]}]
+                   [{?hooks_name,[CTHook]}]
            catch _:_ ->
                    %% since this might be the first time Mod:suite()
                    %% is called, and it might just fail or return
                    %% something bad, we allow any failure here - it
                    %% will be caught later if there is something
                    %% really wrong.
-                   [{?config_name,[]}]
+                   [{?hooks_name,[]}]
            end,
     case call(fun call_generic/3, Info ++ [{'$ct_groups',Groups}], [post_groups, Mod]) of
         [{'$ct_groups',NewGroups}] ->
@@ -78,13 +80,13 @@ groups(Mod, Groups) ->
 all(Mod, Tests) ->
     Info = try proplists:get_value(ct_hooks, Mod:suite(), []) of
                CTHooks when is_list(CTHooks) ->
-                   [{?config_name,CTHooks}];
+                   [{?hooks_name,CTHooks}];
                CTHook when is_atom(CTHook) ->
-                   [{?config_name,[CTHook]}]
+                   [{?hooks_name,[CTHook]}]
            catch _:_ ->
                    %% just allow any failure here - it will be caught
                    %% later if there is something really wrong.
-                   [{?config_name,[]}]
+                   [{?hooks_name,[]}]
            end,
     case call(fun call_generic/3, Info ++ [{'$ct_all',Tests}], [post_all, Mod]) of
         [{'$ct_all',NewTests}] ->
@@ -118,11 +120,11 @@ terminate(Hooks) ->
 init_tc(Mod, init_per_suite, Config) ->
     Info = try proplists:get_value(ct_hooks, Mod:suite(),[]) of
 	       List when is_list(List) -> 
-		   [{?config_name,List}];
+		   [{?hooks_name,List}];
 	       CTHook when is_atom(CTHook) ->
-		   [{?config_name,[CTHook]}]
+		   [{?hooks_name,[CTHook]}]
 	   catch error:undef ->
-		   [{?config_name,[]}]
+		   [{?hooks_name,[]}]
 	   end,
     call(fun call_generic/3, Config ++ Info, [pre_init_per_suite, Mod]);
 
@@ -158,13 +160,15 @@ init_tc(Mod, TC = error_in_suite, Config) ->
 		 {fail, Reason :: term()} |
 		 ok | '$ct_no_change'.
 
-end_tc(Mod, init_per_suite, Config, _Result, Return) ->
+end_tc(Mod, CFunc = init_per_suite, Config, _Result, Return) ->
+    process_hooks_order(CFunc, Return),
     call(fun call_generic/3, Return, [post_init_per_suite, Mod, Config],
 	 '$ct_no_change');
 end_tc(Mod, end_per_suite, Config, Result, _Return) ->
     call(fun call_generic/3, Result, [post_end_per_suite, Mod, Config],
 	'$ct_no_change');
-end_tc(Mod, {init_per_group, GroupName, _}, Config, _Result, Return) ->
+end_tc(Mod, {CFunc = init_per_group, GroupName, _}, Config, _Result, Return) ->
+    process_hooks_order(CFunc, Return),
     call(fun call_generic_fallback/3, Return,
          [post_init_per_group, Mod, GroupName, Config], '$ct_no_change');
 end_tc(Mod, {end_per_group, GroupName, Properties}, Config, Result, _Return) ->
@@ -249,13 +253,15 @@ do_call_generic(#ct_hook_config{ module = Mod, state = State} = Hook,
     {NewValue, Hook#ct_hook_config{ state = NewState } }.
 
 %% Generic call function
-call(Fun, Config, Meta) ->
+call(Fun, Config, [CFunc | _] = Meta) ->
     maybe_lock(),
     Hooks = get_hooks(),
     Calls = get_new_hooks(Config, Fun) ++
 	[{HookId,Fun} || #ct_hook_config{id = HookId} <- Hooks],
-    Res = call(resort(Calls,Hooks,Meta),
-	       remove(?config_name,Config), Meta, Hooks),
+    Order = process_hooks_order(CFunc, Config),
+    Res = call(resort(Calls,Hooks,Meta, Order),
+	       remove([?hooks_name, ?hooks_order_name], Config),
+               Meta, Hooks),
     maybe_unlock(),
     Res.
 
@@ -264,7 +270,6 @@ call(Fun, Config, Meta, NoChangeRet) when is_function(Fun) ->
 	Config -> NoChangeRet;
 	NewReturn -> NewReturn
     end;
-
 call([{Hook, call_id, NextFun} | Rest], Config, Meta, Hooks) ->
     try
 	{Config, #ct_hook_config{ id = NewId } = NewHook} =
@@ -286,7 +291,9 @@ call([{Hook, call_id, NextFun} | Rest], Config, Meta, Hooks) ->
 		    {Hooks ++ [NewHook],
 		     Rest ++ [{NewId, call_init}, {NewId,NextFun}]}
 	    end,
-	call(resort(NewRest,NewHooks,Meta), Config, Meta, NewHooks)
+        {_, Order} = get_hooks_order(),
+	call(resort(NewRest, NewHooks, Meta, Order), Config, Meta,
+             NewHooks)
     catch Error:Reason:Trace ->
 	    ct_logs:log("Suite Hook","Failed to start a CTH: ~tp:~tp",
 			[Error,{Reason,Trace}]),
@@ -301,8 +308,12 @@ call([{HookId, Fun} | Rest], Config, Meta, Hooks) ->
         {NewConf, NewHook} =  Fun(Hook, Config, Meta),
         NewCalls = get_new_hooks(NewConf, Fun),
         NewHooks = lists:keyreplace(HookId, #ct_hook_config.id, Hooks, NewHook),
-        call(resort(NewCalls ++ Rest,NewHooks,Meta), %% Resort if call_init changed prio
-	     remove(?config_name, NewConf), Meta,
+        %% FIXME - not needed, but maybe logical?
+        %% process_hooks_order(NewConf),
+        {_, Order} = get_hooks_order(),
+        call(resort(NewCalls ++ Rest, NewHooks,
+                    Meta, Order), %% Resort if call_init changed prio
+	     remove([?hooks_name, ?hooks_order_name], NewConf), Meta,
              terminate_if_scope_ends(HookId, Meta, NewHooks))
     catch throw:{error_in_cth_call,Reason} ->
             call(Rest, {fail, Reason}, Meta,
@@ -310,8 +321,14 @@ call([{HookId, Fun} | Rest], Config, Meta, Hooks) ->
     end;
 call([], Config, _Meta, Hooks) ->
     save_suite_data_async(Hooks),
+    %% process_hooks_order([{?hooks_order_name, HooksOrder}]),
     Config.
 
+remove([], List) when is_list(List) ->
+    List;
+remove([Key|T], List) when is_list(List) ->
+    NewList = remove(Key, List),
+    remove(T, NewList);
 remove(Key,List) when is_list(List) ->
     [Conf || Conf <- List, is_tuple(Conf) =:= false
 		 orelse element(1, Conf) =/= Key];
@@ -392,9 +409,9 @@ get_new_hooks(Config, Fun) ->
 		end, get_new_hooks(Config)).
 
 get_new_hooks(Config) when is_list(Config) ->
-    lists:flatmap(fun({?config_name, HookConfigs}) when is_list(HookConfigs) ->
+    lists:flatmap(fun({?hooks_name, HookConfigs}) when is_list(HookConfigs) ->
 			  HookConfigs;
-		     ({?config_name, HookConfig}) when is_atom(HookConfig) ->
+		     ({?hooks_name, HookConfig}) when is_atom(HookConfig) ->
 			  [HookConfig];
 		     (_) ->
 			  []
@@ -411,10 +428,10 @@ get_builtin_hooks(Opts) ->
     end.
 
 save_suite_data_async(Hooks) ->
-    ct_util:save_suite_data_async(?config_name, Hooks).
+    ct_util:save_suite_data_async(?hooks_name, Hooks).
 
 get_hooks() ->
-    lists:keysort(#ct_hook_config.prio,ct_util:read_suite_data(?config_name)).
+    lists:keysort(#ct_hook_config.prio,ct_util:read_suite_data(?hooks_name)).
 
 %% Sort all calls in this order:
 %% call_id < call_init < ctfirst < Priority 1 < .. < Priority N < ctlast
@@ -423,17 +440,38 @@ get_hooks() ->
 %% If we are doing a cleanup call i.e. {post,pre}_end_per_*, all priorities
 %% are reversed. Probably want to make this sorting algorithm pluginable
 %% as some point...
-resort(Calls,Hooks,[F|_R]) when F == pre_end_per_testcase;
-				F == post_end_per_testcase;
-				F == pre_end_per_group;
-				F == post_end_per_group;
-				F == pre_end_per_suite;
-				F == post_end_per_suite ->
-    lists:reverse(resort(Calls,Hooks));
-
-resort(Calls,Hooks,_Meta) ->
+resort(Calls, Hooks, [CFunc|_R], HooksOrder) ->
+    Resorted = resort(Calls, Hooks),
+    ReversedHooks =
+        case HooksOrder of
+            config ->
+                %% reversed order for all post hooks (config centric order)
+                %% ct_hooks_order is 'config'
+                [post_init_per_testcase,
+                 post_end_per_testcase,
+                 post_init_per_group,
+                 post_end_per_group,
+                 post_init_per_suite,
+                 post_end_per_suite];
+            _ ->
+                %% reversed order for all end hooks (testcase centric order)
+                %% default or when ct_hooks_order is 'test'
+                [pre_end_per_testcase,
+                 post_end_per_testcase,
+                 pre_end_per_group,
+                 post_end_per_group,
+                 pre_end_per_suite,
+                 post_end_per_suite]
+        end,
+    case lists:member(CFunc, ReversedHooks) of
+        true ->
+            lists:reverse(Resorted);
+        _ ->
+            Resorted
+    end;
+resort(Calls,Hooks,_Meta, _HooksOrder) ->
     resort(Calls,Hooks).
-    
+
 resort(Calls, Hooks) ->
     lists:sort(
       fun({_,_,_},_) ->
@@ -498,6 +536,48 @@ catch_apply(M,F,A) ->
                                    [M,F,length(A)]))})
     end.
 
+process_hooks_order(Stage = init, Return) when is_list(Return) ->
+    maybe_save_hooks_order(Stage, Return);
+process_hooks_order(Stage, Return) when is_list(Return) ->
+    {StoredStage, StoredOrder0} = get_hooks_order(),
+    DeleteConditions =
+        [{pre_end_per_suite, init_per_group},
+         {pre_end_per_suite, pre_init_per_group},
+         {pre_end_per_group, pre_init_per_testcase}],
+    StoredOrder =
+        case lists:member({Stage, StoredStage}, DeleteConditions) of
+            true->
+                ct_util:delete_suite_data(?hooks_order_name),
+                undefined;
+            _ ->
+                StoredOrder0
+        end,
+    case StoredOrder of
+        undefined ->
+            maybe_save_hooks_order(Stage, Return);
+        _ ->
+            StoredOrder
+    end;
+process_hooks_order(_Stage, _) ->
+    nothing_to_save.
+
+get_hooks_order() ->
+    Value = ct_util:read_suite_data(?hooks_order_name),
+    case Value of
+        undefined ->
+            {undefined, undefined};
+        {_, _} ->
+            Value
+    end.
+
+maybe_save_hooks_order(Stage, Return) ->
+    case proplists:get_value(?hooks_order_name, Return) of
+        Order when Order == config ->
+            ct_util:save_suite_data_async(?hooks_order_name, {Stage, Order}),
+            Order;
+        _ ->
+            test
+    end.
 
 %% We need to lock around the state for parallel groups only. This is because
 %% we will get several processes reading and writing the state for a single
diff --git a/lib/common_test/src/ct_run.erl b/lib/common_test/src/ct_run.erl
index fa72f4e68a..3507f3513d 100644
--- a/lib/common_test/src/ct_run.erl
+++ b/lib/common_test/src/ct_run.erl
@@ -59,6 +59,7 @@
 	       config = [],
 	       event_handlers = [],
 	       ct_hooks = [],
+	       ct_hooks_order,
 	       enable_builtin_hooks,
 	       include = [],
 	       auto_compile,
@@ -248,6 +249,10 @@ script_start1(Parent, Args) ->
 				  end, Args),
     EvHandlers = event_handler_args2opts(Args),
     CTHooks = ct_hooks_args2opts(Args),
+    CTHooksOrder = get_start_opt(ct_hooks_order,
+                                 fun([CTHO]) -> list_to_atom(CTHO);
+                                    ([]) -> undefined
+                                 end, undefined, Args),
     EnableBuiltinHooks = get_start_opt(enable_builtin_hooks,
 				       fun([CT]) -> list_to_atom(CT);
 					  ([]) -> undefined
@@ -352,6 +357,7 @@ script_start1(Parent, Args) ->
 		 verbosity = Verbosity,
 		 event_handlers = EvHandlers,
 		 ct_hooks = CTHooks,
+                 ct_hooks_order = CTHooksOrder,
 		 enable_builtin_hooks = EnableBuiltinHooks,
 		 auto_compile = AutoCompile,
 		 abort_if_missing_suites = AbortIfMissing,
@@ -539,6 +545,10 @@ combine_test_opts(TS, Specs, Opts) ->
 		   [Opts#opts.ct_hooks,
 		    TSOpts#opts.ct_hooks]),
 
+    AllCTHooksOrder =
+        choose_val(Opts#opts.ct_hooks_order,
+                   TSOpts#opts.ct_hooks_order),
+
     EnableBuiltinHooks =
 	choose_val(
 	  Opts#opts.enable_builtin_hooks,
@@ -603,6 +613,7 @@ combine_test_opts(TS, Specs, Opts) ->
 	      config = TSOpts#opts.config,
 	      event_handlers = AllEvHs,
 	      ct_hooks = AllCTHooks,
+              ct_hooks_order = AllCTHooksOrder,
 	      enable_builtin_hooks = EnableBuiltinHooks,
 	      stylesheet = Stylesheet,
 	      auto_compile = AutoCompile,
@@ -614,14 +625,16 @@ combine_test_opts(TS, Specs, Opts) ->
 
 check_and_install_configfiles(
   Configs, LogDir, #opts{
-	     event_handlers = EvHandlers,
-	     ct_hooks = CTHooks,
-	     enable_builtin_hooks = EnableBuiltinHooks} ) ->
+                      event_handlers = EvHandlers,
+                      ct_hooks = CTHooks,
+                      ct_hooks_order = CTHooksOrder,
+                      enable_builtin_hooks = EnableBuiltinHooks} ) ->
     case ct_config:check_config_files(Configs) of
 	false ->
 	    install([{config,Configs},
 		     {event_handler,EvHandlers},
 		     {ct_hooks,CTHooks},
+		     {ct_hooks_order,CTHooksOrder},
 		     {enable_builtin_hooks,EnableBuiltinHooks}], LogDir);
 	{value,{error,{nofile,File}}} ->
 	    {error,{cant_read_config_file,File}};
@@ -957,6 +970,11 @@ run_test2(StartOpts) ->
 
     %% CT Hooks
     CTHooks = get_start_opt(ct_hooks, value, [], StartOpts),
+    CTHooksOrder = get_start_opt(ct_hooks_order,
+                                 fun(CHO) when CHO == test;
+                                               CHO == config ->
+                                         CHO
+                                 end, undefined, StartOpts),
     EnableBuiltinHooks = get_start_opt(enable_builtin_hooks,
 				       fun(EBH) when EBH == true;
 						     EBH == false ->
@@ -1073,6 +1091,7 @@ run_test2(StartOpts) ->
 		 verbosity = Verbosity,
 		 event_handlers = EvHandlers,
 		 ct_hooks = CTHooks,
+                 ct_hooks_order = CTHooksOrder,
 		 enable_builtin_hooks = EnableBuiltinHooks,
 		 auto_compile = AutoCompile,
 		 abort_if_missing_suites = AbortIfMissing,
@@ -1200,6 +1219,7 @@ run_dir(Opts = #opts{logdir = LogDir,
 		     config = CfgFiles,
 		     event_handlers = EvHandlers,
 		     ct_hooks = CTHook,
+                     ct_hooks_order = CTHooksOrder,
 		     enable_builtin_hooks = EnableBuiltinHooks},
 	StartOpts) ->
     LogDir1 = which(logdir, LogDir),
@@ -1226,6 +1246,7 @@ run_dir(Opts = #opts{logdir = LogDir,
     case install([{config,AbsCfgFiles},
 		  {event_handler,EvHandlers},
 		  {ct_hooks, CTHook},
+                  {ct_hooks_order, CTHooksOrder},
 		  {enable_builtin_hooks,EnableBuiltinHooks}], LogDir1) of
 	ok -> ok;
 	{error,_IReason} = IError -> exit(IError)
@@ -1417,6 +1438,7 @@ get_data_for_node(#testspec{label = Labels,
 			    userconfig = UsrCfgs,
 			    event_handler = EvHs,
 			    ct_hooks = CTHooks,
+                            ct_hooks_order = CTHooksOrder,
 			    enable_builtin_hooks = EnableBuiltinHooks,
 			    auto_compile = ACs,
 			    abort_if_missing_suites = AiMSs,
@@ -1471,6 +1493,7 @@ get_data_for_node(#testspec{label = Labels,
 	  config = ConfigFiles,
 	  event_handlers = EvHandlers,
 	  ct_hooks = FiltCTHooks,
+          ct_hooks_order = CTHooksOrder,
 	  enable_builtin_hooks = EnableBuiltinHooks,
 	  auto_compile = AutoCompile,
 	  abort_if_missing_suites = AbortIfMissing,
diff --git a/lib/common_test/src/ct_testspec.erl b/lib/common_test/src/ct_testspec.erl
index 9b63c0d60b..1b9fc8ee15 100644
--- a/lib/common_test/src/ct_testspec.erl
+++ b/lib/common_test/src/ct_testspec.erl
@@ -981,6 +981,9 @@ add_tests([{event_handler,Node,HOrHs,Args}|Ts],Spec) ->
 add_tests([{enable_builtin_hooks,Bool}|Ts],Spec) ->
     add_tests(Ts, Spec#testspec{enable_builtin_hooks = Bool});
 
+add_tests([{ct_hooks_order,Order}|Ts],Spec) ->
+    add_tests(Ts, Spec#testspec{ct_hooks_order = Order});
+
 add_tests([{release_shell,Bool}|Ts],Spec) ->
     add_tests(Ts, Spec#testspec{release_shell = Bool});
 
@@ -1592,6 +1595,7 @@ valid_terms() ->
      {event_handler,4},
      {ct_hooks,2},
      {ct_hooks,3},
+     {ct_hooks_order,2},
      {enable_builtin_hooks,2},
      {release_shell,2},
      {multiply_timetraps,2},
diff --git a/lib/common_test/src/ct_util.hrl b/lib/common_test/src/ct_util.hrl
index 7eba02d148..e0145b0588 100644
--- a/lib/common_test/src/ct_util.hrl
+++ b/lib/common_test/src/ct_util.hrl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %%
-%% Copyright Ericsson AB 2003-2020. All Rights Reserved.
+%% Copyright Ericsson AB 2003-2023. All Rights Reserved.
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -47,6 +47,7 @@
 		   userconfig=[],
 		   event_handler=[],
 		   ct_hooks=[],
+                   ct_hooks_order,
 		   enable_builtin_hooks=true,
 		   release_shell=false,
 		   include=[],
-- 
2.35.3

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File 6433-ct-ct_hooks_order-option.patch of Package erlang (Revision dcd1e7a9f13fcca568b5570b1faadc72)

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