CheckReleaseBinaries logic

SciSharp · Jul 12, 2024 · 975da97 · 975da97
1 parent 4d1310a
commit 975da97
Showing 1 changed file with 29 additions and 3 deletions.
diff --git a/LLama/LLamaSharp.csproj b/LLama/LLamaSharp.csproj
@@ -56,6 +56,7 @@
     <BinaryReleaseId>1c5eba6f8e62</BinaryReleaseId>
   </PropertyGroup>
 
+  <!-- When UnzipReleaseBinaries is called, this will run first, as UnzipReleaseBinaries depends on it (check DependsOnTargets of UnzipReleaseBinaries) -->
   <Target Name="DownloadReleaseBinaries">
 	<Message Importance="High" Text="Download '$(BinaryReleaseId)/deps.zip' to 'runtimes'" />
 	<DownloadFile
@@ -67,7 +68,8 @@
 	/>
   </Target>
 
-  <Target Name="UnzipReleaseBinaries" DependsOnTargets="DownloadReleaseBinaries">
+  <!-- This automatically runs after CheckReleaseBinaries has completed, but only if SkipDownloadReleaseBinaries is not true -->
+  <Target Name="UnzipReleaseBinaries" DependsOnTargets="DownloadReleaseBinaries" AfterTargets="CheckReleaseBinaries" Condition="'$(SkipDownloadReleaseBinaries)' != 'true'">
 	<Message Importance="High" Text="Zip file was found before starting unzip." Condition="Exists('runtimes/deps.zip')" />
 	<Message Importance="High" Text="Zip file was NOT found before starting unzip!" Condition="!Exists('runtimes/deps.zip')" />
 	<Message Importance="High" Text="Unzip '$(BinaryReleaseId)/deps.zip'" />
@@ -78,10 +80,34 @@
         OverwriteReadOnlyFiles="true"
 		Include="*.dll;*.so;*.dylib;*.metal;"
 	/>
+	<WriteLinesToFile
+		File="runtimes/version.txt"
+		Lines="$(BinaryReleaseId)"
+		Overwrite="true"
+    />
   </Target>
 
+  <Target Name="CheckReleaseBinaries">
+    <!-- First, we read the previous binary release id from disk -->
+    <ReadLinesFromFile File="runtimes/version.txt">
+		<Output TaskParameter="Lines" ItemName="PreviousBinaryReleaseId" />
+    </ReadLinesFromFile>
+
+    <!-- Log it to console -->
+    <Message Importance="High" Text="PreviousBinaryReleaseId: %(PreviousBinaryReleaseId.Identity), CurrentBinaryReleaseId: $(BinaryReleaseId)" />
+
+    <!-- If the previous binary release id is the same as the current one (which we define at the top of this file), we skip the download -->
+    <PropertyGroup>
+		<SkipDownloadReleaseBinaries Condition="'%(PreviousBinaryReleaseId.Identity)' == '$(BinaryReleaseId)'">true</SkipDownloadReleaseBinaries>
+    </PropertyGroup>
+
+    <!-- Log it to console -->
+    <Message Importance="High" Text="SkipDownloadReleaseBinaries: $(SkipDownloadReleaseBinaries)" />
+  </Target>
+
+  <!-- This always gets called before the build -->
   <Target Name="PrepareReleaseBinaries" BeforeTargets="DispatchToInnerBuilds;BeforeBuild">
-    <MSBuild Projects="$(MSBuildProjectFile)" Targets="UnzipReleaseBinaries" Properties="TargetFramework=once" />
+    <MSBuild Projects="$(MSBuildProjectFile)" Targets="CheckReleaseBinaries" Properties="TargetFramework=once" />
   </Target>
-
+    
 </Project>