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Fetch lean binary #11

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lenianiva opened this issue Oct 27, 2024 · 2 comments · May be fixed by #35
Open

Fetch lean binary #11

lenianiva opened this issue Oct 27, 2024 · 2 comments · May be fixed by #35
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@lenianiva
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feature New feature or request help wanted Extra attention is needed part/overlay Overlay and toolchain reading

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@lenianiva
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lenianiva commented Oct 27, 2024 •
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Can we replace the lean dependency with a binary like what rust-overlay does? This would allow us to abridge the stage 1 build and remove all the bootstrapping.

One problem I could think of is it would not expose with pkgs.lean; [ Init Std Lean ]
@lenianiva lenianiva added feature New feature or request help wanted Extra attention is needed labels Oct 27, 2024
@lenianiva lenianiva self-assigned this Oct 27, 2024
@lenianiva lenianiva added the part/overlay Overlay and toolchain reading label Oct 28, 2024
@lenianiva
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I looked a bit into buildLeanPackage.nix's source code, and I think this is definitely doable.

We need to feed the lean binary executable into this function, which could be done by extracting files from the tar/zip files from https://github.com/leanprover/lean4/releases/tag/v4.13.0

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Building from source seems to be the preferred method. If we get more users I can contact cachix

@stepbrobd stepbrobd linked a pull request Jan 25, 2025 that will close this issue
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feature New feature or request help wanted Extra attention is needed part/overlay Overlay and toolchain reading
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feat: use lean4 from nixpkgs stepbrobd/lean4-nix
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