Reformat entire codebase (except Tolk) with clang-format 21

Author: EmelyanenkoK

.clang-format

@@ -49,6 +49,16 @@ DisableFormat:   false
 ExperimentalAutoDetectBinPacking: false
 FixNamespaceComments: true
 # ForEachMacros: [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IncludeBlocks: Regroup
+IncludeCategories:
+  - Regex:           '>$'
+    Priority:        -3
+  - Regex:           '.h>$'
+    Priority:        -2
+  - Regex:           '^\".*/.*\"$'
+    Priority:        -1
+  - Regex:           '^\"[^/]*\"$'
+    Priority:        0
 IndentCaseLabels: true
 IndentWidth:     2
 IndentWrappedFunctionNames: false
@@ -70,7 +80,7 @@ PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 200
 PointerAlignment: Left
 ReflowComments:  false # true
-SortIncludes: false # disabled, because we need case insensitive sort
+SortIncludes: true
 SpaceAfterCStyleCast: false
 SpaceAfterTemplateKeyword: true
 SpaceBeforeAssignmentOperators: true

.gitattributes

@@ -34,3 +34,7 @@ third_party/** linguist-vendored
 *.a binary
 *.jar binary
 *.tlo binary
+
+*.h merge=clang-format-driver
+*.cpp merge=clang-format-driver
+*.hpp merge=clang-format-driver

.github/workflows/build-ton-linux-x86-64-werror.yml

@@ -1,9 +1,9 @@
-name: Ubuntu TON -Werror build (shared, x86-64)
+name: Lint
 
 on: [push, pull_request, workflow_dispatch, workflow_call]
 
 jobs:
-  build:
+  lint:
     runs-on: ubuntu-24.04
 
     steps:
@@ -27,7 +27,7 @@ jobs:
       run: |
         wget https://apt.llvm.org/llvm.sh
         chmod +x llvm.sh
-        sudo ./llvm.sh 21 clang
+        sudo ./llvm.sh 21 all
 
     # TODO: Preserve ccache cache between runs once we get rid of warning suppression mappings.
 
@@ -41,3 +41,9 @@ jobs:
           -DTON_USE_LLD=On \
           -DTON_WERROR_BUILD=On
         ninja -C build
+
+    - name: Check C++ formatting
+      run: |
+        # TODO: Run clang-format only on changed files.
+        clang-format-21 -i $(git ls-files '*.h' '*.hpp' '*.cpp' ':!^example/android/third_party' ':!^tolk/')
+        git diff --exit-code

adnl/adnl-address-list.cpp

@@ -16,12 +16,13 @@
 
     Copyright 2017-2020 Telegram Systems LLP
 */
-#include "adnl-address-list.hpp"
-#include "adnl-peer-table.h"
 #include "auto/tl/ton_api.hpp"
-#include "td/utils/overloaded.h"
-#include "td/net/UdpServer.h"
 #include "keys/encryptor.h"
+#include "td/net/UdpServer.h"
+#include "td/utils/overloaded.h"
+
+#include "adnl-address-list.hpp"
+#include "adnl-peer-table.h"
 
 namespace ton {
 

adnl/adnl-address-list.h

@@ -18,9 +18,10 @@
 */
 #pragma once
 
-#include "adnl-network-manager.h"
 #include "crypto/common/refcnt.hpp"
 
+#include "adnl-network-manager.h"
+
 namespace ton {
 
 namespace adnl {

adnl/adnl-address-list.hpp

@@ -18,8 +18,8 @@
 */
 #pragma once
 
-#include "adnl-node-id.hpp"
 #include "adnl-address-list.h"
+#include "adnl-node-id.hpp"
 
 namespace ton {
 

adnl/adnl-channel.cpp

@@ -16,12 +16,12 @@
 
     Copyright 2017-2020 Telegram Systems LLP
 */
+#include "crypto/Ed25519.h"
+#include "td/utils/crypto.h"
+
 #include "adnl-channel.hpp"
-#include "adnl-peer.h"
 #include "adnl-peer-table.h"
-
-#include "td/utils/crypto.h"
-#include "crypto/Ed25519.h"
+#include "adnl-peer.h"
 
 namespace ton {
 

adnl/adnl-channel.h

@@ -19,9 +19,9 @@
 #pragma once
 
 #include "adnl-local-id.h"
-#include "adnl-peer.h"
-#include "adnl-peer-table.h"
 #include "adnl-network-manager.h"
+#include "adnl-peer-table.h"
+#include "adnl-peer.h"
 
 namespace ton {
 

adnl/adnl-channel.hpp

@@ -18,9 +18,10 @@
 */
 #pragma once
 
-#include "adnl-channel.h"
 #include "keys/encryptor.h"
 
+#include "adnl-channel.h"
+
 namespace ton {
 
 namespace adnl {

adnl/adnl-db.cpp

@@ -16,9 +16,10 @@
 
     Copyright 2017-2020 Telegram Systems LLP
 */
-#include "adnl-db.hpp"
 #include "td/db/RocksDb.h"
 
+#include "adnl-db.hpp"
+
 namespace ton {
 
 namespace adnl {