repo: Ignore dot files by default (+some code check ignores) (envoyproxy#22103)

Signed-off-by: Ryan Northey <[email protected]>

Author: phlax

.bazelignore

@@ -1,6 +1,6 @@
+# only directories can be ignored, and no globbing
 api
 examples/grpc-bridge/script
 tools/clang_tools
 tools/dev/src
-*~
-\#*
+.project

.gitignore

@@ -1,43 +1,51 @@
+# Dot files, disallow by default, and enable explicitly
+\.*
+!\.azure-pipelines
+!\.bazelci
+!\.bazelignore
+!\.bazelrc
+!\.bazelversion
+!\.clang-format
+!\.clang-tidy
+!\.coveragerc
+!\.devcontainer
+!\.dockerignore
+!\.flake8
+!\.gitattributes
+!\.github
+!\.gitignore
+!\.python-version
+!\.style.yapf
+!\.yapfignore
+!\.zuul
+!\.zuul.yaml
+
 /bazel-*
 BROWSE
 /build
 /build_*
 *.bzlc
-.cache
-.clangd
-.classpath
-.clwb/
 /ci/bazel-*
 compile_commands.json
 cscope.*
-.deps
-.devcontainer.json
 /docs/landing_source/.bundle
 /generated
-.idea/
-.project
 *.pyc
 **/pyformat
 SOURCE_VERSION
-.settings/
 *.sw*
 tags
 TAGS
 /test/coverage/BUILD
 /tools/spelling/.aspell.en.pws
-.vimrc
-.vs
-.vscode
 clang-tidy-fixes.yaml
-.gdb_history
 clang.bazelrc
 user.bazelrc
 CMakeLists.txt
 cmake-build-debug
 /linux
 bazel.output.txt
 *~
-.coverage
 **/.DS_Store
 **/*.iml
 tools/dev/src

tools/code_format/check_format.py

@@ -18,7 +18,7 @@
 from functools import cached_property
 
 EXCLUDED_PREFIXES = (
-    "./generated/", "./thirdparty/", "./build", "./.git/", "./bazel-", "./.cache",
+    "./.", "./generated/", "./thirdparty/", "./build", "./bazel-", "./tools/dev/src",
     "./source/extensions/extensions_build_config.bzl", "./contrib/contrib_build_config.bzl",
     "./bazel/toolchains/configs/", "./tools/testdata/check_format/", "./tools/pyformat/",
     "./third_party/", "./test/extensions/filters/http/wasm/test_data",