fix: validate the expected path of fallback ggml CUDA lib as part of the build

Author: giladgd

.github/workflows/build.yml

@@ -260,11 +260,19 @@ jobs:
               path.join(llamaBinsDirectoryPath, "win-x64-cuda"),
               path.join(llamaBinsDirectoryPath, "win-x64-cuda-2")
             );
+            
+            if (!(await fs.pathExists(path.join(llamaBinsDirectoryPath, "win-x64-cuda-2", "bins", "win-x64-cuda", "ggml-cuda.dll")))) {
+              throw new Error("ggml-cuda.dll not found in win-x64-cuda-2");
+            }
           } else if (process.env.ARTIFACT_NAME === "linux-2") {
             await fs.move(
               path.join(llamaBinsDirectoryPath, "linux-x64-cuda"),
               path.join(llamaBinsDirectoryPath, "linux-x64-cuda-2")
             );
+            
+            if (!(await fs.pathExists(path.join(llamaBinsDirectoryPath, "linux-x64-cuda-2", "bins", "linux-x64-cuda", "libggml-cuda.so")))) {
+              throw new Error("libggml-cuda.so not found in linux-x64-cuda-2");
+            }
           }
           
           await $`echo "Built binaries:"`;
@@ -529,11 +537,11 @@ jobs:
           mv artifacts/build dist/
           
           mkdir -p ./bins/win-x64-cuda/bins/win-x64-cuda/fallback
-          mv ./bins/win-x64-cuda-2/bins/win-x64-cuda/ggml-cuda.dll bins/win-x64-cuda/bins/win-x64-cuda/fallback/ggml-cuda.dll
+          mv ./bins/win-x64-cuda-2/bins/win-x64-cuda/ggml-cuda.dll ./bins/win-x64-cuda/bins/win-x64-cuda/fallback/ggml-cuda.dll
           rm -rf ./bins/win-x64-cuda-2
           
           mkdir -p ./bins/linux-x64-cuda/bins/linux-x64-cuda/fallback
-          mv ./bins/linux-x64-cuda-2/bins/linux-x64-cuda/libggml-cuda.so bins/linux-x64-cuda/bins/linux-x64-cuda/fallback/libggml-cuda.so
+          mv ./bins/linux-x64-cuda-2/bins/linux-x64-cuda/libggml-cuda.so ./bins/linux-x64-cuda/bins/linux-x64-cuda/fallback/libggml-cuda.so
           rm -rf ./bins/linux-x64-cuda-2
           
           cp -r artifacts/llama.cpp/llama.cpp/grammars llama/grammars