[misc] switch to GitHub actions for CI

.github/workflows/coverity.yml

@@ -0,0 +1,51 @@
+name: Coverity
+
+on:
+  push:
+    paths-ignore:
+      - '.gitignore'
+      - '.gitattributes'
+      - 'res/**'
+      - '**.cmd'
+      - '**.md'
+      - '**.rc'
+      - '**.sh'
+      - '**.txt'
+      - '**.xml'
+
+env:
+  SOLUTION_FILE_PATH: ./rufus.sln
+  EMAIL: pete@akeo.ie
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+        submodules: recursive
+
+    - name: Download Coverity
+      run: |
+        curl -d "token=${{secrets.COVERITY_SCAN_TOKEN}}&project=pbatard%2Frufus" -L https://scan.coverity.com/download/cxx/win64 -o cov-analysis-win64.zip
+        7z x cov-analysis-win64.zip
+        del cov-analysis-win64.zip
+        move cov-analysis-win64* cov-analysis-win64
+
+    - name: Add Coverity to PATH
+      shell: bash
+      run: echo "${{github.workspace}}/cov-analysis-win64/bin" >> $GITHUB_PATH
+
+    - name: Add MSBuild to PATH
+      uses: microsoft/setup-msbuild@v1
+
+    - name: Build with Coverity
+      run: cov-build.exe --dir cov-int msbuild ${{env.SOLUTION_FILE_PATH}} /m /p:Configuration=Release,Platform=x64
+      
+    - name: Upload Coverity build for analysis
+      run: |
+        7z a -r cov-int.zip cov-int
+        curl --form email=${{env.EMAIL}} --form token=${{secrets.COVERITY_SCAN_TOKEN}} --form file=@cov-int.zip --form version="${{env.GITHUB_SHA}}" --form description="rufus" https://scan.coverity.com/builds?project=pbatard%2Frufus

.github/workflows/lock.yml

@@ -1,5 +1,5 @@
 # Configuration for https://github.com/dessant/lock-threads
-name: 'Lock Threads'
+name: '[cron] Lock stale issues'
 
 on:
   schedule:

.github/workflows/mingw.yml

@@ -0,0 +1,72 @@
+name: MinGW
+
+on: 
+  push:
+    paths-ignore:
+      - '.gitignore'
+      - '.gitattributes'
+      - 'res/**'
+      - '**.cmd'
+      - '**.md'
+      - '**.rc'
+      - '**.sh'
+      - '**.txt'
+      - '**.xml'
+  pull_request:
+    paths-ignore:
+      - '.gitignore'
+      - '.gitattributes'
+      - 'res/**'
+      - '**.cmd'
+      - '**.md'
+      - '**.rc'
+      - '**.sh'
+      - '**.txt'
+      - '**.xml'
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    strategy:
+      matrix:
+        include:
+          - { sys: mingw64, env: x86_64 }
+          - { sys: mingw32, env: i686 }
+
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+    - name: Install MinGW
+      uses: msys2/setup-msys2@v2
+      with:
+        msystem: ${{matrix.sys}}
+        update: true
+        install: >-
+          mingw-w64-${{matrix.env}}-toolchain
+          base-devel
+          git
+          upx
+
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+        submodules: recursive
+
+    - name: Build
+      run: |
+        ./configure --disable-debug
+        make -j4
+        mv src/rufus.exe .
+        strip rufus.exe
+        upx --lzma --best rufus.exe
+
+    - name: Upload artifacts
+      if: ${{ matrix.env == 'i686' }}
+      uses: actions/upload-artifact@v2
+      with:
+        name: MinGW
+        path: ./*.exe

.github/workflows/vs2019.yml

@@ -0,0 +1,57 @@
+name: VS2019
+
+on: 
+  push:
+    paths-ignore:
+      - '.gitignore'
+      - '.gitattributes'
+      - 'res/**'
+      - '**.cmd'
+      - '**.md'
+      - '**.rc'
+      - '**.sh'
+      - '**.txt'
+      - '**.xml'
+  pull_request:
+    paths-ignore:
+      - '.gitignore'
+      - '.gitattributes'
+      - 'res/**'
+      - '**.cmd'
+      - '**.md'
+      - '**.rc'
+      - '**.sh'
+      - '**.txt'
+      - '**.xml'
+
+env:
+  SOLUTION_FILE_PATH: ./rufus.sln
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    strategy:
+      matrix:
+        TARGET_PLATFORM: [x64, x86, arm64, arm]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+        submodules: recursive
+
+    - name: Add MSBuild to PATH
+      uses: microsoft/setup-msbuild@v1
+
+    - name: Build
+      run: |
+        msbuild ${{env.SOLUTION_FILE_PATH}} /m /p:Configuration=Release,Platform=${{matrix.TARGET_PLATFORM}}
+        move ./${{matrix.TARGET_PLATFORM}}/Release/rufus.exe ./rufus_${{matrix.TARGET_PLATFORM}}.exe
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: VS2019
+        path: ./*.exe