init repo.

third_party/protobuf-21.12/.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,39 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+
+NOTE: this form is for bug reports only.
+For questions or troubleshooting, please post on the protobuf mailing list:
+https://groups.google.com/forum/#!forum/protobuf 
+Stack Overflow is also a useful if unofficial resource https://stackoverflow.com/questions/tagged/protocol-buffers
+-->
+
+**What version of protobuf and what language are you using?**
+Version: main/v3.6.0/v3.5.0 etc.
+Language: C++/Java/Python/C#/Ruby/PHP/Objective-C/Javascript
+
+**What operating system (Linux, Windows, ...) and version?**
+
+**What runtime / compiler are you using (e.g., python version or gcc version)**
+
+**What did you do?**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**What did you expect to see**
+
+**What did you see instead?**
+
+Make sure you include information that can help us debug (full error message, exception listing, stack trace, logs).
+
+**Anything else we should know about your project / environment**

third_party/protobuf-21.12/.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,28 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!--
+
+NOTE: this form is for feature requests (including cleanup requests) only. For questions or troubleshooting, please see the protobuf mailing list: https://groups.google.com/forum/#!forum/protobuf
+
+-->
+
+
+**What language does this apply to?**
+If it's a proto syntax change, is it for proto2 or proto3?
+If it's about generated code change, what programming language?
+
+**Describe the problem you are trying to solve.**
+
+**Describe the solution you'd like**
+
+**Describe alternatives you've considered**
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

third_party/protobuf-21.12/.github/mergeable.yml

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+mergeable:
+  pull_requests:
+    label:
+      and:
+        - must_exclude:
+            regex: '^disposition/DO NOT MERGE'
+            message: 'Pull request marked not mergeable'
+        - or:
+          - and:
+            - must_include:
+                regex: 'release notes: yes'
+                message: 'Include release notes: yes'
+            - must_include:
+                regex: '^(autotools|bazel|c#|c\+\+|cleanup|cmake|conformance tests|integration|go|java|javascript|objective-c|php|protoc|python|ruby|kotlin)'
+                message: 'at least a language label (e.g., c++, java, python). Or apply one of the following labels: autotools, bazel, cmake, cleanup, conformance tests, integration, protoc.'
+          - must_include:
+              regex: 'release notes: no'
+              message: 'Include release notes: no'

third_party/protobuf-21.12/.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,./.github/workflows/codespell.yml
+          ignore_words_list: "alow,alse,ba,cleare,copyable,cloneable,dedup,dur,errorprone,falsy,files',fo,fundementals,hel,importd,inout,leapyear,nd,nin,ois,ons,parseable,process',ro,te,testof,ue,unparseable,wasn,wee,gae,keyserver,objext,od,optin,streem,sur"

third_party/protobuf-21.12/.github/workflows/objc_cocoapods.yml

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+name: 'ObjC CocoaPods'
+
+on:
+  push:
+    paths:
+    - '.github/workflows/objc_cocoapods.yml'
+    - 'Protobuf.podspec'
+    - 'objectivec/**'
+    - '!objectivec/DevTools/**'
+    - '!objectivec/ProtocolBuffers_*.xcodeproj/**'
+    - '!objectivec/Tests/**'
+  pull_request:
+    paths:
+    - '.github/workflows/objc_cocoapods.yml'
+    - 'Protobuf.podspec'
+    - 'objectivec/**'
+    - '!objectivec/DevTools/**'
+    - '!objectivec/ProtocolBuffers_*.xcodeproj/**'
+    - '!objectivec/Tests/**'
+
+jobs:
+  pod-lib-lint:
+    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # Add back 'watchos'. See CocoaPods/CocoaPods#11558
+        PLATFORM: ["ios", "macos", "tvos"]
+        CONFIGURATION: ["Debug", "Release"]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Pod lib lint
+      run:  |
+        pod lib lint --verbose \
+          --configuration=${{ matrix.CONFIGURATION }} \
+          --platforms=${{ matrix.PLATFORM }} \
+          Protobuf.podspec

third_party/protobuf-21.12/.github/workflows/php-ext.yml

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+name: PHP extension
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  build-php:
+    name: Build PHP extension
+    runs-on: ubuntu-latest
+    container: ${{ matrix.php-image }}
+    strategy:
+      matrix:
+        php-image:
+          - php:7.4-cli
+          - php:8.1-cli
+    steps:
+      - name: Install python3
+        run: |
+          apt-get update -q
+          apt-get install -qy python3
+      - name: Install bazel
+        run: |
+          apt-get install -qy wget
+          mkdir $HOME/bin
+          wget -O $HOME/bin/bazel https://github.com/bazelbuild/bazel/releases/download/5.3.2/bazel-5.3.2-linux-x86_64
+          chmod a+x $HOME/bin/bazel
+      - name: Install git
+        run: |
+          apt-get update -q
+          apt-get install -qy --no-install-recommends git
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+      - name: Create package
+        run: |
+          cd $GITHUB_WORKSPACE
+          rm -rf bazel-bin/php/protobuf-*.tgz
+          $HOME/bin/bazel build php:release
+      - name: Compile extension
+        run: |
+          cd /tmp
+          MAKE="make -j$(nproc)" pecl install $GITHUB_WORKSPACE/bazel-bin/php/protobuf-*.tgz
+      - name: Enable extension
+        run: docker-php-ext-enable protobuf
+      - name: Inspect extension
+        run: php --ri protobuf