From cfaae52f53100d627d78fb59db7f12d8a28768a8 Mon Sep 17 00:00:00 2001
From: Luke Usher <luke.usher@outlook.com>
Date: Thu, 27 Oct 2016 09:19:50 +0100
Subject: [PATCH] implement automatic versioning based on git status

If the current commit has a tag, the version string will be "Cxbx-Reloaded TAG_NAME (DATE)
If the current commit does not have a tag, the version string will be "Cxbx-Reloaded COMMIT_SHORT_HASH (DATE)"
---
 .gitignore                   |  1 +
 Build/win32/Version.bat      |  6 +++++
 build/win32/CxbxKrnl.vcxproj | 44 ++++++++++++++++++++++++++++++++++++
 src/Cxbx.h                   |  6 +++--
 4 files changed, 55 insertions(+), 2 deletions(-)
 create mode 100644 Build/win32/Version.bat

diff --git a/.gitignore b/.gitignore
index 2f5718f7e..1fd4fb129 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,3 +76,4 @@ packages/
 
 #Test files
 *.testsettings
+src/Version.h
diff --git a/Build/win32/Version.bat b/Build/win32/Version.bat
new file mode 100644
index 000000000..ba7c5c57b
--- /dev/null
+++ b/Build/win32/Version.bat
@@ -0,0 +1,6 @@
+@ECHO OFF

+SET GIT_VERSION=
+git describe --always > GIT_VERSION
+for /f "delims=" %%x in (GIT_VERSION) do set GIT_VERSION=%%x
+ECHO #define _GIT_VERSION "%GIT_VERSION%" > "%~1"
+del GIT_VERSION
\ No newline at end of file
diff --git a/build/win32/CxbxKrnl.vcxproj b/build/win32/CxbxKrnl.vcxproj
index cb8f9bf1c..ef61f284f 100644
--- a/build/win32/CxbxKrnl.vcxproj
+++ b/build/win32/CxbxKrnl.vcxproj
@@ -55,6 +55,18 @@
     <IncludePath Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\..\import\DirectX8\include;$(IncludePath)</IncludePath>
     <LibraryPath Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\..\import\DirectX8\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <CustomBuildBeforeTargets>
+    </CustomBuildBeforeTargets>
+    <CustomBuildAfterTargets>
+    </CustomBuildAfterTargets>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <CustomBuildBeforeTargets>
+    </CustomBuildBeforeTargets>
+    <CustomBuildAfterTargets>
+    </CustomBuildAfterTargets>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Midl>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -100,6 +112,22 @@
       <Command>
       </Command>
     </PostBuildEvent>
+    <CustomBuildStep>
+      <Command>
+      </Command>
+    </CustomBuildStep>
+    <CustomBuildStep>
+      <Outputs>
+      </Outputs>
+      <TreatOutputAsContent>
+      </TreatOutputAsContent>
+    </CustomBuildStep>
+    <PreBuildEvent>
+      <Command>$(SolutionDir)Version.bat $(SolutionDir)..\..\src\Version.h</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>Build Version.ini</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Midl>
@@ -149,6 +177,22 @@
       <Command>
       </Command>
     </PostBuildEvent>
+    <CustomBuildStep>
+      <Command>
+      </Command>
+    </CustomBuildStep>
+    <CustomBuildStep>
+      <Outputs>
+      </Outputs>
+      <TreatOutputAsContent>
+      </TreatOutputAsContent>
+    </CustomBuildStep>
+    <PreBuildEvent>
+      <Command>$(SolutionDir)Version.bat $(SolutionDir)..\..\src\Version.h</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>Build Version.ini</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClInclude Include="..\..\src\Common\Win32\AlignPosfix1.h" />
diff --git a/src/Cxbx.h b/src/Cxbx.h
index a9fba48c4..a2e62a20f 100644
--- a/src/Cxbx.h
+++ b/src/Cxbx.h
@@ -82,11 +82,13 @@ typedef signed long    sint32;
 /*! define this to dump textures that are registered */
 //#define _DEBUG_DUMP_TEXTURE_REGISTER   "D:\\cxbx\\_textures\\"
 
+#include "Version.h"
+
 /*! version string dependent on trace flag */
 #ifndef _DEBUG_TRACE
-#define _CXBX_VERSION "0.0.1-POC"
+#define _CXBX_VERSION _GIT_VERSION " ("__DATE__ ")"
 #else
-#define _CXBX_VERSION "0.0.1-POC-Trace"
+#define _CXBX_VERSION _GIT_VERSION "-Trace ("__DATE__ ")"
 #endif
 
 /*! debug mode choices */