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I want to downgrade to specific version of opencv 4.5.5 in vcpkg. As I understand I should checkout a specific version and then reset. so I use:

git checkout 401578455faece3db28615775420fb0f22f9bd07
git reset

I checked opencv version using:

vcpkg search opencv

It was 4.5.5 as I expected. when I tried to install opencv, I got this error:

error: building opencv4:x64-windows failed with: BUILD_FAILED
error: Please ensure you're using the latest port files with git pull and vcpkg update. Then check for known issues at:
https://github.com/microsoft/vcpkg/issues?q=is%3Aissue+is%3Aopen+in%3Atitle+opencv4
You can submit a new issue at:
https://github.com/microsoft/vcpkg/issues/new?template=report-package-build-failure.md&title=[opencv4]+Build+error
Include '[opencv4] Build error' in your bug report title, the following version information in your bug description, and attach any relevant failure logs from above.
vcpkg-tool version: 2022-09-20-522aa94e9d261c7d7b2f079bf2591ca62df5c714
vcpkg-scripts version: 401578455 2022-02-23 (8 months ago)

I prefer to use git for downgrade, However any alternative solution such as changing .json files (vcpkg versioning) will be appreciated.

Babak.Abad
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  • `git reset` is for resetting the index and/or working tree and/or moving `HEAD`, but after doing a detached-HEAD checkout, that last function becomes a no-op. It's almost certainly *not* something you want here. The `git checkout` step you've used is by itself fine; whether that's *sufficient* is another question entirely, but whatever you have left to do is not in Git. – torek Oct 15 '22 at 00:03

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