Add CI using Github Actions

This commit adds workflows to handle the continuous integration builds
as well as the CodeQL analysis on each push. This also adds a workflow
to create a release and upload the orig.tar.gz file when pushing a tag.

.github/scripts/build-and-test.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+# Run the build and tests
+set -e
+
+./autogen.sh
+mkdir build
+cd build
+../configure
+make -j V=0
+make -j check V=0
+make -j distcheck

.github/scripts/install-dependencies-macos.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+# Install dependencies to build and test on Ubuntu runners
+brew install \
+    autoconf \
+    automake \
+    libtool \
+    pkg-config \
+    python3 \
+    gettext \
+    libusb \
+    hidapi \
+    doxygen \
+    rsync \
+    cmocka
+
+exit 0

.github/scripts/install-dependencies-ubuntu.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Install dependencies to build and test on Ubuntu runners
+sudo apt-get update
+sudo apt-get install -y \
+    autoconf \
+    automake \
+    libtool \
+    pkg-config \
+    python3 \
+    gettext \
+    autopoint \
+    libusb-1.0-0-dev \
+    libhidapi-dev \
+    libevdev-dev \
+    doxygen \
+    rsync \
+    libcmocka-dev \
+    faketime
+
+exit 0

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: Build/Test
+
+on:
+  push:
+    branches:
+    - '*'
+    - '!gh-pages'
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    name: ${{ join(matrix.*, '/') }}
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.os == 'macos-latest' }}
+    env:
+      CC: ${{ matrix.cc }}
+
+    strategy:
+      matrix:
+        os: ['ubuntu-16.04', 'ubuntu-18.04', 'ubuntu-20.04', 'macos-latest']
+        cc: ['gcc', 'clang']
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Install dependencies (Ubuntu)
+      run: ./.github/scripts/install-dependencies-ubuntu.sh
+      if: ${{ matrix.os != 'macos-latest' }}
+
+    - name: Install dependencies (MacOS)
+      run: ./.github/scripts/install-dependencies-macos.sh
+      if: ${{ matrix.os == 'macos-latest' }}
+
+    - name: Build and Test
+      run: ./.github/scripts/build-and-test.sh

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,57 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: ['*', '!gh-pages']
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [master]
+  schedule:
+    - cron: '0 7 * * 1'
+
+jobs:
+  analyse:
+    name: Analyse
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        # We must fetch at least the immediate parents so that if this is
+        # a pull request then we can checkout the head.
+        fetch-depth: 2
+
+    - name: Install dependencies
+      run: ./.github/scripts/install-dependencies-ubuntu.sh
+
+    # If this run was triggered by a pull request event, then checkout
+    # the head of the pull request instead of the merge commit.
+    - run: git checkout HEAD^2
+      if: ${{ github.event_name == 'pull_request' }}
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      # Override language selection by uncommenting this and choosing your languages
+      # with:
+      #   languages: go, javascript, csharp, python, cpp, java
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/release.yml

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+name: Create Release
+
+on:
+  push:
+    tags:
+    - 'v*'
+
+jobs:
+  build:
+    name: Upload Release Asset
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: ./.github/scripts/install-dependencies-ubuntu.sh
+
+      - name: Build project
+        run: ./.github/scripts/build-and-test.sh
+
+      - name: Find release tarball
+        id: find_release
+        run: |
+          echo "::set-output name=path::$(find $PWD -name 'x52pro-linux*.tar*')"
+          echo "::set-output name=asset::$(find . -name 'x52pro-linux*.tar*' -exec basename {} \; | sed 's/x52pro-linux-\(.*\)\.tar/x52pro-linux_\1.orig.tar/')"
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+
+      - name: Upload Release Tarball
+        id: upload-release-tarball
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ${{ steps.find_release.outputs.path }}
+          asset_name: ${{ steps.find_release.outputs.asset }}
+          asset_content_type: application/gzip