ci: Add clang-tidy task

Author: MarcoFalke

.cirrus.yml

@@ -72,6 +72,19 @@ task:
   env:
     << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
 
+task:
+  name: 'tidy [jammy]'
+  << : *GLOBAL_TASK_TEMPLATE
+  container:
+    image: ubuntu:jammy
+    cpu: 2
+    memory: 5G
+  # For faster CI feedback, immediately schedule the linters
+  << : *CREDITS_TEMPLATE
+  env:
+    << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
+    FILE_ENV: "./ci/test/00_setup_env_native_tidy.sh"
+
 task:
   name: "Win64 native [msvc]"
   << : *FILTER_TEMPLATE

ci/test/00_setup_env.sh

@@ -37,6 +37,7 @@ export USE_BUSY_BOX=${USE_BUSY_BOX:-false}
 
 export RUN_UNIT_TESTS=${RUN_UNIT_TESTS:-true}
 export RUN_FUNCTIONAL_TESTS=${RUN_FUNCTIONAL_TESTS:-true}
+export RUN_TIDY=${RUN_TIDY:-false}
 export RUN_SECURITY_TESTS=${RUN_SECURITY_TESTS:-false}
 # By how much to scale the test_runner timeouts (option --timeout-factor).
 # This is needed because some ci machines have slow CPU or disk, so sanitizers

ci/test/00_setup_env_native_tidy.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2022 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+export LC_ALL=C.UTF-8
+
+export DOCKER_NAME_TAG="ubuntu:22.04"
+export CONTAINER_NAME=ci_native_tidy
+export PACKAGES="clang llvm clang-tidy bear libevent-dev libboost-dev"
+export NO_DEPENDS=1
+export RUN_UNIT_TESTS=false
+export RUN_FUNCTIONAL_TESTS=false
+export RUN_FUZZ_TESTS=false
+export RUN_TIDY=true
+export GOAL="install"
+export BITCOIN_CONFIG="CC=clang CXX=clang++ --disable-hardening CFLAGS='-O0 -g0' CXXFLAGS='-O0 -g0'"
+export CCACHE_SIZE=200M

ci/test/06_script_a.sh

@@ -48,7 +48,12 @@ if [[ ${USE_MEMORY_SANITIZER} == "true" ]]; then
   CI_EXEC 'grep -v HAVE_SYS_GETRANDOM src/config/bitcoin-config.h > src/config/bitcoin-config.h.tmp && mv src/config/bitcoin-config.h.tmp src/config/bitcoin-config.h'
 fi
 
-CI_EXEC make "$MAKEJOBS" "$GOAL" || ( echo "Build failure. Verbose build follows." && CI_EXEC make "$GOAL" V=1 ; false )
+if [[ "${RUN_TIDY}" == "true" ]]; then
+  MAYBE_BEAR="bear"
+  MAYBE_TOKEN="--"
+fi
+
+CI_EXEC "${MAYBE_BEAR}" "${MAYBE_TOKEN}" make "$MAKEJOBS" "$GOAL" || ( echo "Build failure. Verbose build follows." && CI_EXEC make "$GOAL" V=1 ; false )
 
 CI_EXEC "ccache --version | head -n 1 && ccache --show-stats"
 CI_EXEC du -sh "${DEPENDS_DIR}"/*/

ci/test/06_script_b.sh

@@ -34,6 +34,11 @@ if [ "$RUN_FUNCTIONAL_TESTS" = "true" ]; then
   CI_EXEC LD_LIBRARY_PATH="${DEPENDS_DIR}/${HOST}/lib" "${TEST_RUNNER_ENV}" test/functional/test_runner.py --ci "$MAKEJOBS" --tmpdirprefix "${BASE_SCRATCH_DIR}/test_runner/" --ansi --combinedlogslen=4000 --timeout-factor="${TEST_RUNNER_TIMEOUT_FACTOR}" "${TEST_RUNNER_EXTRA}" --quiet --failfast
 fi
 
+if [ "${RUN_TIDY}" = "true" ]; then
+  export P_CI_DIR="${BASE_BUILD_DIR}/bitcoin-$HOST/src/"
+  CI_EXEC run-clang-tidy "${MAKEJOBS}"
+fi
+
 if [ "$RUN_SECURITY_TESTS" = "true" ]; then
   CI_EXEC make test-security-check
 fi

configure.ac

@@ -1926,6 +1926,7 @@ AC_CONFIG_LINKS([contrib/devtools/test-security-check.py:contrib/devtools/test-s
 AC_CONFIG_LINKS([contrib/devtools/test-symbol-check.py:contrib/devtools/test-symbol-check.py])
 AC_CONFIG_LINKS([contrib/filter-lcov.py:contrib/filter-lcov.py])
 AC_CONFIG_LINKS([contrib/macdeploy/background.tiff:contrib/macdeploy/background.tiff])
+AC_CONFIG_LINKS([src/.clang-tidy:src/.clang-tidy])
 AC_CONFIG_LINKS([test/functional/test_runner.py:test/functional/test_runner.py])
 AC_CONFIG_LINKS([test/fuzz/test_runner.py:test/fuzz/test_runner.py])
 AC_CONFIG_LINKS([test/util/test_runner.py:test/util/test_runner.py])