add nightly test workflow

Author: notimaginative

.github/workflows/test-nightly-new.yaml

@@ -0,0 +1,101 @@
+name: Build Nightly package (test)
+
+on:
+  push:
+    branches:
+      - 'new_build_image_test'
+
+jobs:
+  build_linux:
+    strategy:
+      matrix:
+        configuration: [FastDebug, Release]
+        os: [ubuntu-latest, ubuntu-24.04-arm]
+        include:
+          - os: ubuntu-latest
+            arch: x86_64
+          - os: ubuntu-24.04-arm
+            arch: arm64
+    name: Linux
+    runs-on: ${{ matrix.os }}
+    container: ghcr.io/scp-fs2open/linux_build:sha-ab87451
+    steps:
+      - uses: actions/checkout@v7
+        name: Checkout
+        with:
+          submodules: true
+      - name: Set workspace as safe
+        # This appears to be broken in current actions, so do it manually
+        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+      - name: Configure CMake
+        env:
+          CONFIGURATION: ${{ matrix.configuration }}
+          COMPILER: gcc-9
+          ENABLE_QTFRED: OFF
+        run: $GITHUB_WORKSPACE/ci/linux/configure_cmake.sh
+      - name: Compile
+        working-directory: ./build
+        env:
+          CONFIGURATION: ${{ matrix.configuration }}
+        run: |
+          LD_LIBRARY_PATH=$Qt5_DIR/lib:$LD_LIBRARY_PATH ninja -k 20 all
+      - name: Run Tests
+        working-directory: ./build
+        env:
+          CONFIGURATION: ${{ matrix.configuration }}
+          XDG_RUNTIME_DIR: /root
+        run: $GITHUB_WORKSPACE/ci/linux/run_tests.sh
+      - name: Generate AppImage
+        working-directory: ./build
+        env:
+          CONFIGURATION: ${{ matrix.configuration }}
+        run: $GITHUB_WORKSPACE/ci/linux/generate_appimage.sh $GITHUB_WORKSPACE/build/install
+      - name: Upload build result
+        uses: actions/upload-artifact@v7
+        with:
+          name: linux-${{ matrix.configuration }}-${{ matrix.arch }}
+          path: ${{ github.workspace }}/build/install/*.AppImage
+  linux_zip:
+    name: Build Linux distribution zip
+    needs: build_linux
+    runs-on: ubuntu-latest
+    container: ghcr.io/scp-fs2open/sftp_upload:sha-ab87451
+    strategy:
+      matrix:
+        arch: [x86_64, arm64]
+    steps:
+      - uses: actions/checkout@v7
+        name: Checkout
+        with:
+          submodules: true
+          fetch-depth: '0'
+      - name: Set workspace as safe
+        # This appears to be broken in current actions, so do it manually
+        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
+      - name: Download Release builds
+        uses: actions/download-artifact@v8
+        with:
+          name: linux-Release-${{ matrix.arch }}
+          path: builds
+      - name: Download FastDebug builds
+        uses: actions/download-artifact@v8
+        with:
+          name: linux-FastDebug-${{ matrix.arch }}
+          path: builds
+      - name: Fix permissions
+        working-directory: ./builds
+        shell: bash
+        run: chmod 755 *.AppImage
+      - name: Create Distribution package
+        working-directory: ./builds
+        env:
+          ARCH: ${{ matrix.arch }}
+        run: $GITHUB_WORKSPACE/ci/linux/create_dist_pack.sh Linux
+      - name: Upload result package
+        working-directory: ./builds
+        env:
+          INDIEGAMES_USER: ${{ secrets.INDIEGAMES_USER }}
+          INDIEGAMES_SSHPASS: ${{ secrets.INDIEGAMES_PASSWORD }}
+          DATACORDER_USER: ${{ secrets.DATACORDER_USER }}
+          DATACORDER_SSHPASS: ${{ secrets.DATACORDER_PASSWORD }}
+        run: $GITHUB_WORKSPACE/ci/linux/upload_dist_package.sh nightly