Add GitHub Actions CI

Author: Vauff

.github/workflows/ci.yml

@@ -0,0 +1,108 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - '*'
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build
+    runs-on: ${{ matrix.os }}
+    container: ${{ matrix.container }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-2022, ubuntu-latest]
+        include:
+          - os: windows-2022
+          - os: ubuntu-latest
+            container: registry.gitlab.steamos.cloud/steamrt/sniper/platform
+    steps:
+      - name: Install apt packages
+        if: runner.os == 'Linux'
+        run: |
+          apt update
+          apt install -y git python3 python3-setuptools clang
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          path: MovementUnlocker
+
+      - name: Checkout Metamod
+        uses: actions/checkout@v4
+        with:
+          repository: alliedmodders/metamod-source
+          ref: master
+          path: mmsource-2.0
+          submodules: recursive
+
+      - name: Checkout HL2SDK
+        uses: actions/checkout@v4
+        with:
+          repository: alliedmodders/hl2sdk
+          ref: cs2
+          path: hl2sdk-cs2
+
+      - name: Checkout AMBuild
+        uses: actions/checkout@v4
+        with:
+          repository: alliedmodders/ambuild
+          path: ambuild
+
+      - name: Install AMBuild
+        run: |
+          cd ambuild && python setup.py install && cd ..
+
+      - name: Build
+        working-directory: MovementUnlocker
+        shell: bash
+        run: |
+          mkdir build && cd build
+          python ../configure.py --enable-optimize --sdks cs2
+          ambuild
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ runner.os }}
+          path: MovementUnlocker/build/package
+
+  release:
+    name: Release
+    if: startsWith(github.ref, 'refs/tags/')
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v3
+
+      - name: Package
+        run: |
+          version=`echo $GITHUB_REF | sed "s/refs\/tags\///"`
+          ls -Rall
+          if [ -d "./Linux/" ]; then
+            cd ./Linux/
+            tar -czf ../${{ github.event.repository.name }}-${version}-linux.tar.gz -T <(\ls -1)
+            cd -
+          fi
+          if [ -d "./Windows/" ]; then
+            cd ./Windows/
+            tar -czf ../${{ github.event.repository.name }}-${version}-windows.tar.gz -T <(\ls -1)
+            cd -
+          fi
+
+      - name: Release
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: '*.tar.gz'
+          tag: ${{ github.ref }}
+          file_glob: true