From bc56883e308ee2b8189d231a5177cf82c2a59013 Mon Sep 17 00:00:00 2001
From: Lasse Dalegaard <dalegaard@gmail.com>
Date: Wed, 28 Aug 2019 16:19:36 +0200
Subject: [PATCH] Add automatic version numbering from git tags

---
 .gitignore                                    |  1 +
 CastingEssentials/CastingEssentials.vcxproj   | 13 ++++++++
 .../CastingEssentials.vcxproj.filters         |  3 ++
 .../PluginBase/CastingPlugin.cpp              |  3 --
 CastingEssentials/PluginBase/Common.h         |  6 ++--
 genversion.ps1                                | 33 +++++++++++++++++++
 6 files changed, 52 insertions(+), 7 deletions(-)
 create mode 100644 genversion.ps1

diff --git a/.gitignore b/.gitignore
index f7ba16e..f8c5121 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,7 @@
 *.pdb
 /Release/
 /Debug/
+CastingEssentials/build
 CastingEssentials/Release/
 CastingEssentials/Debug/
 *.exp
diff --git a/CastingEssentials/CastingEssentials.vcxproj b/CastingEssentials/CastingEssentials.vcxproj
index 37fd0e5..2b4a89f 100644
--- a/CastingEssentials/CastingEssentials.vcxproj
+++ b/CastingEssentials/CastingEssentials.vcxproj
@@ -60,6 +60,12 @@
       <EnableCOMDATFolding>false</EnableCOMDATFolding>
       <OptimizeReferences>false</OptimizeReferences>
     </Link>
+    <PreBuildEvent>
+      <Command>powershell.exe -ExecutionPolicy ByPass -File  $(SolutionDir)\genversion.ps1 $(ProjectDir)build\Version.cpp "-debug"</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>Create version info</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
@@ -85,10 +91,17 @@
     <PostBuildEvent>
       <Command>copy "$(TargetPath)" "$(SolutionDir)plugin_folder\addons\$(TargetFileName)"</Command>
     </PostBuildEvent>
+    <PreBuildEvent>
+      <Command>powershell.exe -ExecutionPolicy ByPass -File  $(SolutionDir)\genversion.ps1 $(ProjectDir)build\Version.cpp</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>Create version info</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\sdk2013\mp\src\public\tier0\memoverride.cpp" />
     <ClCompile Include="..\sdk2013\mp\src\public\vgui_controls\vgui_controls.cpp" />
+    <ClCompile Include="build\Version.cpp" />
     <ClCompile Include="Controls\ImageProgressBar.cpp" />
     <ClCompile Include="Controls\VariableLabel.cpp" />
     <ClCompile Include="Hooking\IBaseHook.cpp" />
diff --git a/CastingEssentials/CastingEssentials.vcxproj.filters b/CastingEssentials/CastingEssentials.vcxproj.filters
index dee71a5..bae466e 100644
--- a/CastingEssentials/CastingEssentials.vcxproj.filters
+++ b/CastingEssentials/CastingEssentials.vcxproj.filters
@@ -177,6 +177,9 @@
     <ClCompile Include="Modules\SrcTVPlus.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="build\Version.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="PluginBase\Plugin.h">
diff --git a/CastingEssentials/PluginBase/CastingPlugin.cpp b/CastingEssentials/PluginBase/CastingPlugin.cpp
index 25d1be0..b4c2a35 100644
--- a/CastingEssentials/PluginBase/CastingPlugin.cpp
+++ b/CastingEssentials/PluginBase/CastingPlugin.cpp
@@ -8,9 +8,6 @@
 
 #include <convar.h>
 
-const char* const PLUGIN_VERSION_ID = "r21-red02";
-const char* const PLUGIN_FULL_VERSION = strdup(strprintf("%s %s", PLUGIN_NAME, PLUGIN_VERSION_ID).c_str());
-
 class CastingPlugin final : public Plugin
 {
 public:
diff --git a/CastingEssentials/PluginBase/Common.h b/CastingEssentials/PluginBase/Common.h
index 424db45..e729821 100644
--- a/CastingEssentials/PluginBase/Common.h
+++ b/CastingEssentials/PluginBase/Common.h
@@ -10,9 +10,7 @@
 #pragma warning(disable : 4592)    // 'x': symbol will be dynamically initialized (implementation limitation)
 #pragma warning(disable : 4533)    // initialization of 'x' is skipped by 'instruction' -- should only be a warning, but is promoted error for some reason?
 
-//#define PLUGIN_VERSION "r7b1"
-
-static constexpr const char* PLUGIN_NAME = "CastingEssentialsRed";
+extern const char* const PLUGIN_NAME;
 extern const char* const PLUGIN_VERSION_ID;
 extern const char* const PLUGIN_FULL_VERSION;
 
@@ -24,7 +22,7 @@ static constexpr float NDEBUG_PERSIST_TILL_NEXT_FRAME = -1.738f;
 static constexpr float NDEBUG_PERSIST_TILL_NEXT_FRAME = 0; // NDEBUG_PERSIST_TILL_NEXT_SERVER
 #endif
 
-#define VPROF_BUDGETGROUP_CE _T("CastingEssentials")
+#define VPROF_BUDGETGROUP_CE _T(PLUGIN_NAME)
 
 // For passing into strspn or whatever
 static constexpr const char* WHITESPACE_CHARS = "\t\n\v\f\r ";
diff --git a/genversion.ps1 b/genversion.ps1
new file mode 100644
index 0000000..2d72298
--- /dev/null
+++ b/genversion.ps1
@@ -0,0 +1,33 @@
+$filename = $args[0]
+
+$name = "CastingEssentialsRed";
+$shortstat = (git diff --shortstat 2>$null) | Out-String
+$version = (git describe --always --tag --match "release-*" 2>$null) | Out-String
+$version = $version.Trim().Substring(8)
+
+$dir = Split-Path -path "$filename"
+if(!(Test-Path "$filename" -PathType Any)) {
+	New-Item -path "$dir" -type directory >$null
+}
+
+if ($shortstat) {
+	$version = "${version}-dirty";
+}
+
+$current = "";
+if(Test-Path "$filename" -PathType Leaf) {
+	$current = Get-Content -Path "$filename"
+}
+
+$suffix = $args[1]
+if ($suffix) {
+	$version = "${version}${suffix}"
+}
+
+$target = "extern const char* const PLUGIN_NAME = ""$name"";
+extern const char* const PLUGIN_VERSION_ID = ""$version"";
+extern const char* const PLUGIN_FULL_VERSION = ""$name $version"";"
+
+if ($target -ne $current) {
+	echo $target | Out-File "$filename"
+}