Patch 1

.git-blame-ignore-revs

@@ -0,0 +1,4 @@
+9bdcd4f36a2e5285267b69b17e8fc26482dc1c72
+eea9999dc5eaf464a432f77d5b65269f9baf198d
+98125f88605cd7e46e9be4e1b3ad0600dd5d2b51
+19b7a29720a6f2c95d06e2ea4baa335dcf32e68f

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# see https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot
+# make sure our actions stay up-to-date and we know about any updates.
+# most of the time, this happens for major releases.
+# (...unless we stop using version tags and switch to hashes...)
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/pull-request.yml

@@ -0,0 +1,330 @@
+# Run whenever a PR is generated or updated.
+
+# Most jobs check out the code, ensure Python3 is installed, and for build
+# tests the ESP8266 toolchain is cached when possible to speed up execution.
+
+name: ESP8266 Arduino CI
+
+on:
+  pull_request:
+
+
+permissions:
+  contents: read
+
+
+jobs:
+
+# Run 8 parallel jobs for the default build of all examples.
+  build-linux:
+    name: Build ${{ matrix.chunk }}
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    strategy:
+      matrix:
+        chunk: [0, 1, 2, 3, 4, 5, 6, 7]
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Cache Linux toolchain
+      id: cache-linux
+      uses: actions/cache@v3
+      with:
+        path: ./tools/dist
+        key: ${{ runner.os }}-${{ hashFiles('package/package_esp8266com_index.template.json', 'tests/common.sh') }}
+    - name: Build Sketches
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+        BUILD_PARITY: custom
+        mod: 8
+        rem: ${{ matrix.chunk }}
+      run: |
+        bash ./tests/build.sh
+
+
+# Cover the debug and IPv6 cases by enabling both and running 8 parallel jobs
+# over all example code.
+  build-debug-ipv6:
+    name: Debug IPv6 ${{ matrix.chunk }}
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    strategy:
+      matrix:
+        chunk: [0, 1, 2, 3, 4, 5, 6, 7]
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Cache Linux toolchain
+      id: cache-linux
+      uses: actions/cache@v3
+      with:
+        path: ./tools/dist
+        key: ${{ runner.os }}-${{ hashFiles('package/package_esp8266com_index.template.json', 'tests/common.sh') }}
+    - name: Build Sketches
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+        BUILD_PARITY: custom
+        mod: 8
+        rem: ${{ matrix.chunk }}
+      run: |
+        bash ./tests/debug6.sh
+
+
+# Single build under Windows to ensure the Win toolchain is good.
+  build-windows:
+    name: Windows
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Cache Windows toolchain
+      id: cache-windows
+      uses: actions/cache@v3
+      with:
+        path: ./tools/dist
+        key: ${{ runner.os }}-${{ hashFiles('package/package_esp8266com_index.template.json', 'tests/common.sh') }}
+    - name: Build Sketch
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+        WINDOWS: 1
+        BUILD_PARITY: custom
+        mod: 500
+        rem: 1
+      run: |
+        # Windows has python3 already installed, but it's called "python".
+        # Copy python.exe to the proper name so scripts "just work".
+        try { Get-Command python3 } catch { copy (get-command python).source (get-command python).source.Replace("python.exe", "python3.exe") }
+        bash ./tests/build.sh
+
+
+# Single build under macOS to ensure the Mac toolchain is good.
+  build-mac:
+    name: Mac
+    runs-on: macOS-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Cache Mac toolchain
+      id: cache-mac
+      uses: actions/cache@v3
+      with:
+        path: ./tools/dist
+        key: ${{ runner.os }}-${{ hashFiles('package/package_esp8266com_index.template.json', 'tests/common.sh') }}
+    - name: Build Sketch
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+        MACOSX: 1
+        BUILD_PARITY: custom
+        mod: 500
+        rem: 1
+      run: |
+        bash ./tests/build.sh
+
+
+# Run a few Platform.IO jobs (not full suite) to check PIO integration.
+  build-pio:
+    name: Build Platform.IO
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Build subset on Platform.IO
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+        BUILD_PARITY: custom
+        mod: 42 # Picked at random to give 4-5 builds and exit.
+        rem: 13
+      run: |
+        sudo apt update
+        sudo apt install python3-pip python3-setuptools
+        PATH=/home/runner/.local/bin:$PATH bash ./tests/platformio.sh
+
+
+# Run host test suite under valgrind for runtime checking of code.
+  host-tests:
+    name: Host tests
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Run host tests
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+      run: |
+        sudo apt update
+        sudo apt install valgrind lcov
+        bash ./tests/ci/host_test.sh
+
+
+# Ensure Sphinx can build the documentation properly.
+  documentation:
+    name: Documentation
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Build documentation
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+      run: |
+        sudo apt update
+        sudo apt install python3-pip python3-setuptools
+        # GitHub CI installs pip3 and setuptools outside the path.
+        # Update the path to include them and run.
+        PATH=/home/runner/.local/bin:$PATH pip3 install --user -r doc/requirements.txt
+        PATH=/home/runner/.local/bin:$PATH bash ./tests/ci/build_docs.sh
+
+
+# Standard Arduino formatting in all the examples
+  style-check:
+    name: Style and formatting
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Style check
+      env:
+        LLVM_SNAPSHOT_KEY: "6084F3CF814B57C1CF12EFD515CF4D18AF4F7421"
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+      run: |
+          export GNUPGHOME=$(mktemp -d)
+          gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$LLVM_SNAPSHOT_KEY"
+          gpg --batch --armor --export "$LLVM_SNAPSHOT_KEY" | \
+            sudo tee /etc/apt/trusted.gpg.d/llvm-snapshot.gpg.asc
+          gpgconf --kill all
+          rm -r $GNUPGHOME
+          echo "deb http://apt.llvm.org/focal/     llvm-toolchain-focal-13   main" | \
+            sudo tee /etc/apt/sources.list.d/llvm.list
+          sudo apt update
+          sudo apt install clang-format-13
+          pip3 install pyyaml
+          bash ./tests/ci/style_check.sh
+
+
+# Quick test that the mocking builds succeed
+  mock-check:
+    name: Mock trivial test
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Mock build
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+      run: |
+          bash ./tests/buildm.sh
+
+
+# Ensure no manual edits to boards.txt
+  boards-check:
+    name: Boards.txt check
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+    - name: Cache Linux toolchain
+      id: cache-linux
+      uses: actions/cache@v3
+      with:
+        path: ./tools/dist
+        key: ${{ runner.os }}-${{ hashFiles('package/package_esp8266com_index.template.json', 'tests/common.sh') }}
+    - name: Boards.txt diff
+      env:
+        TRAVIS_BUILD_DIR: ${{ github.workspace }}
+        TRAVIS_TAG: ${{ github.ref }}
+      run: |
+          bash ./tests/ci/build_boards.sh
+          bash ./tests/ci/eboot_test.sh
+          bash ./tests/ci/pkgrefs_test.sh
+
+
+# Validate orthography
+  code-spell:
+    name: Check spelling
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: Run codespell
+      uses: codespell-project/actions-codespell@master
+      with:
+        skip: ./libraries/ESP8266SdFat,./libraries/LittleFS/lib,./tools/pyserial,./tools/sdk,./tools/esptool,./libraries/SoftwareSerial,./libraries/Ethernet,./github/workflows,./libraries/ESP8266HTTPUpdateServer/examples/SecureBearSSLUpdater/SecureBearSSLUpdater.ino,./libraries/esp8266/examples/RTCUserMemory/RTCUserMemory.ino,./libraries/esp8266/examples/StreamString/StreamString.ino,./libraries/ESP8266WiFi/examples/BearSSL_Validation/BearSSL_Validation.ino,./libraries/ESP8266WiFi/examples/BearSSL_Sessions/BearSSL_Sessions.ino,./libraries/ESP8266WebServer/examples/HelloServerBearSSL/HelloServerBearSSL.ino,./libraries/ESP8266WebServer/examples/HttpHashCredAuth/HttpHashCredAuth.ino,./cores/esp8266/spiffs,./tests/device/test_libc/libm_string.c, ./libraries/Netdump/examples/Netdump/Netdump.ino,./libraries/ESP8266WiFi/examples/BearSSL_Server,./cores/esp8266/LwipIntfDev.h
+        ignore_words_list: ESP8266,esp8266,esp,dout,DOUT,ser,ans