sxs: Skip file copy when assembly is already installed.

54c7df15 · Hans Leidekker · Alexandre Julliard · 499fa1d9 · 54c7df15
Commit 54c7df15 authored Jan 12, 2024 by Hans Leidekker Committed by Alexandre Julliard Jan 19, 2024
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cache.c dlls/sxs/cache.c +7 -0

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--- a/dlls/sxs/cache.c
+++ b/dlls/sxs/cache.c
@@ -598,6 +598,13 @@ static HRESULT install_assembly( const WCHAR *manifest, struct assembly *assembl
    dst = build_manifest_filename( assembly->arch, assembly->name, assembly->token, assembly->version );
    if (!dst) return E_OUTOFMEMORY;

+    if (GetFileAttributesW( dst ) != INVALID_FILE_ATTRIBUTES)
+    {
+        free( dst );
+        TRACE("manifest exists, skipping install\n");
+        return S_OK;
+    }
+
    ret = CopyFileW( manifest, dst, FALSE );
    free( dst );
    if (!ret)