Merge branch 'master' into fix_deprecated_is_pod

.bazelignore

@@ -0,0 +1,3 @@
+# These are fetched as external repositories.
+third_party/benchmark
+third_party/googletest

.github/mergeable.yml

@@ -11,8 +11,8 @@ mergeable:
                 regex: 'release notes: yes'
                 message: 'Please include release notes: yes'
             - must_include:
-                regex: '^(c#|c\+\+|cleanup|conformance tests|integration|java|javascript|go|objective-c|php|python|ruby)'
-                message: 'Please include at least a language label (e.g., c++, java, python). Or apply one of the following labels: cleanup, conformance tests, integration.'
+                regex: '^(c#|c\+\+|cleanup|conformance tests|integration|java|javascript|go|objective-c|php|python|ruby|bazel|cmake|protoc)'
+                message: 'Please include at least a language label (e.g., c++, java, python). Or apply one of the following labels: bazel, cmake, cleanup, conformance tests, integration, protoc.'
           - must_include:
               regex: 'release notes: no'
               message: 'Please include release notes: no'

.github/workflows/codespell.yml

@@ -0,0 +1,16 @@
+# GitHub Action to automate the identification of common misspellings in text files.
+# https://github.com/codespell-project/actions-codespell
+# https://github.com/codespell-project/codespell
+name: codespell
+on: [push, pull_request]
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: codespell-project/actions-codespell@master
+        with:
+          check_filenames: true
+          skip: ./.git,./conformance/third_party,*.snk,*.pb,*.pb.cc,*.pb.h,./src/google/protobuf/testdata,./objectivec/Tests,./python/compatibility_tests/v2.5.0/tests/google/protobuf/internal
+          ignore_words_list: "alow,alse,ba,cleare,copyable,cloneable,dedup,dur,errorprone,files',fo,fundementals,hel,importd,inout,leapyear,nd,ois,ons,parseable,process',te,testof,ue,unparseable,wasn,wee,gae,keyserver,objext,od"

.gitignore

@@ -57,6 +57,7 @@ python/**/*.egg
 python/.eggs/
 python/.tox
 python/build/
+python/docs/_build/
 
 src/js_embed
 src/protoc
@@ -103,7 +104,7 @@ build_msvc
 # needed to trigger "pod install" to rerun the preinstall commands.
 Pods/
 
-# Comformance test output
+# Conformance test output
 conformance/.libs/
 conformance/com/
 conformance/conformance-cpp
@@ -136,19 +137,24 @@ conformance/*.class
 
 # php test output
 composer.lock
+php/tests/.phpunit.result.cache
 php/tests/generated/
 php/tests/old_protoc
+php/tests/phpunit-9.phar
 php/tests/protobuf/
 php/tests/core
 php/tests/vgcore*
 php/tests/multirequest.result
 php/tests/nohup.out
+php/tests/.phpunit.result.cache
+php/tests/phpunit-*
 php/ext/google/protobuf/.libs/
 php/ext/google/protobuf/Makefile.fragments
 php/ext/google/protobuf/Makefile.global
 php/ext/google/protobuf/Makefile.objects
 php/ext/google/protobuf/acinclude.m4
 php/ext/google/protobuf/build/
+php/ext/google/protobuf/bundled_php.c
 php/ext/google/protobuf/config.h
 php/ext/google/protobuf/config.h.in~
 php/ext/google/protobuf/config.nice
@@ -208,3 +214,6 @@ cmake/cmake-build-debug/
 # IntelliJ
 .idea
 *.iml
+
+# BenchmarkDotNet
+BenchmarkDotNet.Artifacts/

.readthedocs.yml

@@ -0,0 +1,22 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+sphinx:
+  configuration: python/docs/conf.py
+  fail_on_warning: false
+
+# Setup build requirements for docs.
+# Use conda so that we can install the latest libprotobuf package without
+# having to build from scratch just for docs builds.
+conda:
+  environment: python/docs/environment.yml
+
+python:
+  version: 3.7
+  install:
+    - method: setuptools
+      path: python