Add manual workflow (#296)

* Add manual workflow

* Quote OFF and ON for YAML

.github/workflows/manual.yml

@@ -0,0 +1,113 @@
+name: manual build
+
+on:
+  workflow_dispatch:
+    inputs:
+      buildtype:
+        type: choice
+        description: Build Type
+        options:
+        - Release
+        - Debug
+      usevgui:
+        type: choice
+        description: Use VGUI
+        options:
+        - 'OFF'
+        - 'ON'
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            cc: gcc
+            cxx: g++
+          - os: windows-2019
+            cc: cl
+            cxx: cl
+    env:
+      CC: ${{ matrix.cc }}
+      CXX: ${{ matrix.cxx }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
+    - name: Checkout steam-runtime
+      if: startsWith(matrix.os, 'ubuntu')
+      uses: actions/checkout@v2
+      with:
+        repository: ValveSoftware/steam-runtime
+        path: steam-runtime
+    - name: Cache steam-runtime
+      if: startsWith(matrix.os, 'ubuntu')
+      id: cache-steam-runtime
+      uses: actions/cache@v2
+      with:
+        path: com.valvesoftware.SteamRuntime.Sdk-i386-scout-sysroot.tar.gz
+        key: ${{ runner.os }}-steam-runtime
+    - name: Download steam-runtime
+      if: startsWith(matrix.os, 'ubuntu') && steps.cache-steam-runtime.outputs.cache-hit != 'true'
+      run: wget --no-verbose https://repo.steampowered.com/steamrt-images-scout/snapshots/0.20210610.0/com.valvesoftware.SteamRuntime.Sdk-i386-scout-sysroot.tar.gz
+    - name: Install steam runtime
+      if: startsWith(matrix.os, 'ubuntu')
+      run: |
+        sudo apt update
+        ./steam-runtime/setup_chroot.sh --i386 --tarball ./com.valvesoftware.SteamRuntime.Sdk-i386-scout-sysroot.tar.gz
+        sudo sed -i 's/groups=sudo/groups=adm/g' /etc/schroot/chroot.d/steamrt_scout_i386.conf
+
+    - name: Copy vgui.so
+      if: ${{ startsWith(matrix.os, 'ubuntu') && github.event.inputs.usevgui == 'ON' }}
+      run: |
+        mkdir -p build/cl_dll
+        cp vgui_support/vgui-dev/lib/vgui.so build/cl_dll
+    - name: Build on Linux
+      if: startsWith(matrix.os, 'ubuntu')
+      run: |
+        schroot --chroot steamrt_scout_i386 -- cmake -B build -S . -DCMAKE_EXE_LINKER_FLAGS="-Wl,--no-undefined" -DCMAKE_BUILD_TYPE=${{ github.event.inputs.buildtype }} -DCMAKE_INSTALL_PREFIX="$PWD/dist" -DUSE_VGUI=${{ github.event.inputs.usevgui }}
+        schroot --chroot steamrt_scout_i386 -- cmake --build build --target all
+        schroot --chroot steamrt_scout_i386 -- cmake --build build --target install
+
+    - name: Add msbuild to PATH
+      if: startsWith(matrix.os, 'windows')
+      uses: microsoft/setup-msbuild@v1.0.2
+    - name: Build on Windows
+      if: startsWith(matrix.os, 'windows')
+      run: |
+        cmake -G "Visual Studio 16 2019" -A Win32 -B build -DCMAKE_INSTALL_PREFIX="dist" -DUSE_VGUI=${{ github.event.inputs.usevgui }}
+        msbuild -verbosity:normal /property:Configuration=${{ github.event.inputs.buildtype }} build/INSTALL.vcxproj
+
+    - name: Extract branch name
+      shell: bash
+      run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/} | tr '/' '_')"
+      id: extract_branch
+    - name: Extract gamedir
+      shell: bash
+      run: echo "##[set-output name=gamedir;]$(grep build/CMakeCache.txt -Ee 'GAMEDIR:STRING=[a-z]+' | cut -d '=' -f 2)"
+      id: extract_gamedir
+    - name: Copy pdbs to dist dir
+      if: ${{ startsWith(matrix.os, 'windows') && github.event.inputs.buildtype == 'Debug' }}
+      run: |
+        copy build/cl_dll/Debug/client.pdb dist/${{ steps.extract_gamedir.outputs.gamedir }}/cl_dlls/
+        copy build/dlls/Debug/hl.pdb dist/${{ steps.extract_gamedir.outputs.gamedir }}/dlls/
+    - name: Delete .lib files from dist
+      if: startsWith(matrix.os, 'windows')
+      run: |
+        Remove-Item -Force -Path dist/${{ steps.extract_gamedir.outputs.gamedir }}/cl_dlls/client.lib
+        Remove-Item -Force -Path dist/${{ steps.extract_gamedir.outputs.gamedir }}/dlls/hl.lib
+    - name: Upload linux artifact
+      if: startsWith(matrix.os, 'ubuntu')
+      uses: actions/upload-artifact@v2
+      with:
+        name: hlsdk-${{ steps.extract_branch.outputs.branch }}-linux
+        path: dist/${{ steps.extract_gamedir.outputs.gamedir }}
+    - name: Upload windows artifact
+      if: startsWith(matrix.os, 'windows')
+      uses: actions/upload-artifact@v2
+      with:
+        name: hlsdk-${{ steps.extract_branch.outputs.branch }}-windows
+        path: dist/${{ steps.extract_gamedir.outputs.gamedir }}
+