7zip compression of package directories failing about vcpkg HOT 5 CLOSED

Ah, it does. That suggests the root cause is likely antivirus software causing trouble, then. That would also explain the sporadic messages about "file in use by another process" or "permission denied". I will take that up with my IT department, who are currently off duty.

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Yep, it was antivirus.

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I tried running the argument of CreateProcessW("C:\git\vcpkgtest\vcpkg\downloads\tools\7zip-24.06-windows\7za.exe" a "C:\git\vcpkgtest\vcpkg\packages\7zip_x64-windows.zip" "C:\git\vcpkgtest\vcpkg\packages\7zip_x64-windows\*") manually with the extra \x64\ folder added, and that worked, so the appearance of this extra path element does seem to be the cause of this problem.

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I've just checked the https://github.com/ip7z/7zip/releases/download/24.06/7z2406-extra.7z download and it does contain the x64 subfolder (as well as a platform-specific folder for arm64). So it seems like the structure of the downloaded portable 7zip doesn't match an expectation which is coded into vcpkg somewhere. I wouldn't know where to begin looking for the source of that.

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Could you check the downloaded 7z archive and see if it contains a folder named 7za.exe in the top-level directory as below?

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