Set rather low clang-tidy warnings and moved the file to the root dir (…

…#665)

.clang-tidy

@@ -0,0 +1,15 @@
+---
+# This clang-tidy settings have been taken from here:
+# https://github.com/googleapis/google-cloud-cpp/blob/main/.clang-tidy
+#
+# The first block are the exact google settings.
+# The second block are warnings that I assumed to be irrelevant
+# The third block are warnings that I would actually like to take care of for future projects
+#
+
+Checks: "-*,
+  clang-*
+"
+WarningsAsErrors: ''
+HeaderFilterRegex: ''
+FormatStyle:     none

.clang-tidy-for-the-future

@@ -0,0 +1,45 @@
+---
+# This clang-tidy settings have been taken from here:
+# https://github.com/googleapis/google-cloud-cpp/blob/main/.clang-tidy
+#
+# The first block are the exact google settings.
+# The second block are warnings that I assumed to be irrelevant
+# The third block are warnings that I would actually like to take care of for future projects
+#
+
+Checks: "-*,
+  bugprone-*,
+  google-*,
+  misc-*,
+  modernize-*,
+  performance-*,
+  portability-*,
+  readability-*,
+  -google-readability-braces-around-statements,
+  -google-readability-namespace-comments,
+  -google-runtime-references,
+  -misc-non-private-member-variables-in-classes,
+  -modernize-return-braced-init-list,
+  -modernize-use-trailing-return-type,
+  -modernize-avoid-c-arrays,
+  -performance-move-const-arg,
+  -readability-braces-around-statements,
+  -readability-identifier-length,
+  -readability-magic-numbers,
+  -readability-named-parameter,
+  -readability-redundant-declaration,
+  -readability-function-cognitive-complexity,
+  -bugprone-narrowing-conversions,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-implicit-widening-of-multiplication-result,
+
+  -readability-else-after-return,
+  -google-readability-todo
+
+  -modernize-use-auto,  
+  -google-runtime-int,
+  -modernize-pass-by-value,
+"
+WarningsAsErrors: ''
+HeaderFilterRegex: ''
+FormatStyle:     none

.gitignore

@@ -46,5 +46,4 @@ doc/extensions/_autogen
 cmake-build-*
 
 # clang-tidy
-/.clang-tidy
-log_*.txt
+log_*.txt

build_linux/clang-tidy/build.sh

@@ -244,8 +244,7 @@ filter_compile_commands() {
         cat "$PATH_EXC_CONFIG"
         python3 ${PATH_FILTER} --build "${DIR_BUILD}"
 
-        cp -a "${DIR_SCRIPT}/.clang-tidy" "${DIR_ROOT}"
-        cp -a "${DIR_SCRIPT}/.clang-tidy" "${DIR_BUILD}"
+        cp -a "${DIR_ROOT}/.clang-tidy" "${DIR_BUILD}"
         cd "${DIR_BUILD}"
         ${CLANG_TIDY} --dump-config > ${FILE_CLANG_TIDY_CONFIG}
 
@@ -418,10 +417,6 @@ run_clang_tidy_on_files() {
     fi
 }
 
-tear_down() {
-    rm -f "${DIR_ROOT}/.clang-tidy"
-}
-
 # ------------------------------------------------------------------------------
 
 check_args
@@ -430,7 +425,6 @@ run_make
 filter_compile_commands
 run_clang_tidy_on_database
 run_clang_tidy_on_files
-tear_down
 
 # for GitHub actions
 # https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions