Retain Windows CI build artifacts

.github/workflows/windows_ci.yml

@@ -17,8 +17,22 @@ jobs:
         $options = @( `
           '-property:Configuration=Release', `
           '-property:Platform=${{ matrix.platform }}', `
+          '-property:ForceImportBeforeCppTargets=Windows\VisualStudio\custom_build.props', `
+          '-property:VER_SUFFIX=$(Windows\VisualStudio\print_build_suffix.bat)', `
           '-maxcpucount', `
           '-verbosity:minimal' `
         )
         & $msbuild Windows\VisualStudio\ironwail.sln $options
         if (-not $?) { throw "Build failed" }
+    - name: Upload build
+      uses: actions/upload-artifact@v3
+      with:
+        name: ironwail$(Windows\VisualStudio\print_build_suffix.bat)-${{ matrix.platform }}
+        path: |
+            Windows\VisualStudio\Build-ironwail\**\*.exe
+            Windows\VisualStudio\Build-ironwail\**\*.dll
+            Quake\ironwail.pak
+            Quakespasm.html
+            Quakespasm.txt
+            Quakespasm-Music.txt
+            LICENSE.txt

Windows/VisualStudio/custom_build.props

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemDefinitionGroup Condition="'$(VER_SUFFIX)' != ''">
+    <ClCompile>
+      <AdditionalOptions>/DIRONWAIL_VER_SUFFIX=\&quot;$(VER_SUFFIX)\&quot; %(AdditionalOptions)</AdditionalOptions>
+    </ClCompile>
+  </ItemDefinitionGroup>
+  <PropertyGroup Condition="'$(BUILD_DIR)' != ''">
+    <OutDir>$(SolutionDir)$(BUILD_DIR)\</OutDir>
+    <IntDir>$(BUILD_DIR)\Out\</IntDir>
+  </PropertyGroup>
+</Project>

Windows/VisualStudio/print_build_suffix.bat

@@ -0,0 +1,10 @@
+@echo off
+::Print build suffix (either -hash or -branch-hash)
+
+for /f %%f in ('git describe --always') do set gitrev=%%f
+for /f %%f in ('git branch --show-current') do set gitbranch=%%f
+if /i "%gitbranch%" == "master" (
+	echo -%gitrev%
+) else (
+	echo -%gitbranch%-%gitrev%
+)