feat: add conda/outputs and conda/build_v2 backend protocol#4118
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remimimimimi merged 52 commits intoprefix-dev:mainfrom Jul 15, 2025
Merged
feat: add conda/outputs and conda/build_v2 backend protocol#4118remimimimimi merged 52 commits intoprefix-dev:mainfrom
conda/outputs and conda/build_v2 backend protocol#4118remimimimimi merged 52 commits intoprefix-dev:mainfrom
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Co-authored-by: Hofer-Julian <30049909+Hofer-Julian@users.noreply.github.com>
…r/build_backend_metadata.rs Co-authored-by: Hofer-Julian <30049909+Hofer-Julian@users.noreply.github.com>
This was referenced Jul 10, 2025
remimimimimi
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Jul 14, 2025
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Overall good job! I think someone else should review for correctness, as I'm not very familiar with pixi-build inner workings yet.
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This PR adds support for fetching metadata and building of packages where pixi itself prepares the host and build environments. This provides much more control over the build and host dependencies. Instead of letting the build backends solve the host and build environments, with this PR pixi itself takes care of that. We do this to allow pixi to act as the build orchestrator and to allow host and build environments of packages to also contain source dependencies.
The protocol method is not finalized since we already identified some weaknesses. Im putting this PR up now so we can already start doing initial reviews.
The "old" methods are still implemented. Only when a backend supports the new APIs are they used. So I expect this PR to succeed CI even though no (released) backends supports the new APIs. I think we should only merge the backends supporting the new API after this PR is merged.
This is a continuation of #4056 .
I also verified that this fixes #4100