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Phoebe Goldman
9167f4b19b
# Description of Changes And more precisely pin the Cargo dep, along with a comment. # API and ABI breaking changes N/a # Expected complexity level and risk 1 # Testing - [x] `nix build` now exits 0 and produces runnable binaries locally. (`nix flake check` is still broken.)
36 lines
1.5 KiB
Nix
36 lines
1.5 KiB
Nix
# Fetches a pre-built v8 build from GitHub.
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#
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# rusty_v8 is a bad citizen: it attempts to download a binary within its build.rs.
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# When running in the Nix sandbox, this download fails, so the crate cannot build.
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# We instead download the archive ahead of time using a Nix-friendly fetcher function,
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# and in our flake.nix we'll reference it in an appropriate env var so the crate build finds it.
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#
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# From https://github.com/msfjarvis/crane_rusty_v8/blob/4e076af4edb396d9d9398013d4393ec8da49c841/librusty_v8.nix
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# modified for our desired version
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{
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rust,
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stdenv,
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fetchurl,
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}: let
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arch = rust.toRustTarget stdenv.hostPlatform;
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fetch_librusty_v8 = args:
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fetchurl {
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name = "librusty_v8-${args.version}";
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url = "https://github.com/denoland/rusty_v8/releases/download/v${args.version}/librusty_v8_release_${arch}.a.gz";
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sha256 = args.shas.${stdenv.hostPlatform.system};
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meta = {inherit (args) version;};
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};
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in
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fetch_librusty_v8 {
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version = "145.0.0";
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shas = {
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x86_64-linux = "sha256-chV1PAx40UH3Ute5k3lLrgfhih39Rm3KqE+mTna6ysE=";
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# I (pgoldman 2025-10-17) only use x86_64-linux, so I haven't filled in these hashes.
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# If you use one of these platforms, run the build and wait for it to fail,
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# copy the detected sha256 from the error message in here, then re-run.
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aarch64-linux = "0000000000000000000000000000000000000000000000000000";
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x86_64-darwin = "0000000000000000000000000000000000000000000000000000";
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aarch64-darwin = "0000000000000000000000000000000000000000000000000000";
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};
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}
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