wasmer: 5.0.4 -> 7.1.0, add v8 support (#516705)
This commit is contained in:
Nick Cao
@@ -1,61 +1,165 @@
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{
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lib,
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rustPlatform,
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stdenv,
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fetchFromGitHub,
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llvmPackages_18,
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fetchurl,
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rustPlatform,
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cargo,
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rustc,
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nix-update,
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curl,
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writeShellApplication,
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llvmPackages_21,
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libffi,
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libxml2,
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withLLVM ? true,
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withSinglepass ? true,
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fixDarwinDylibNames,
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withLLVM ?
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stdenv.hostPlatform.isLinux || (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isx86_64),
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withV8 ? (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64),
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}:
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rustPlatform.buildRustPackage (finalAttrs: {
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let
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v8Version = "11.9.2";
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# Prebuilt V8 from wasmerio's custom builds, only evaluated when withV8 = true.
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# Per-platform hashes, auto-updated via the general updateScript
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v8Hashes = {
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"v8-linux-amd64.tar.xz" = "sha256-nTCVdBKtyVMb7lE+Db4RDsShKkLbG/0r980ejd+EAvo=";
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"v8-linux-musl-amd64.tar.xz" = "sha256-XgRs3I46B2PG7Jrv5E+KSeuNfXLhgB7R66cAkA/Bvv8=";
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"v8-darwin-arm64.tar.xz" = "sha256-xAG1PcAGw8a0A9k8d78/whTUXnqdfRZBz8yrg/+iz0M=";
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};
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v8Prebuilt =
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let
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assetName =
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if stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64 && stdenv.hostPlatform.isMusl then
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"v8-linux-musl-amd64.tar.xz"
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else if stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isx86_64 then
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"v8-linux-amd64.tar.xz"
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else if stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64 then
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"v8-darwin-arm64.tar.xz"
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else
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throw "withV8 = true is not supported on ${stdenv.hostPlatform.system}";
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in
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stdenv.mkDerivation {
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name = "wasmer-v8-prebuilt-${v8Version}";
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src = fetchurl {
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url = "https://github.com/wasmerio/v8-custom-builds/releases/download/${v8Version}/${assetName}";
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hash = v8Hashes.${assetName};
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};
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sourceRoot = ".";
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dontBuild = true;
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installPhase = ''
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cp -r . $out
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'';
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meta.sourceProvenance = [ lib.sourceTypes.binaryNativeCode ];
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};
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in
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stdenv.mkDerivation (finalAttrs: {
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pname = "wasmer";
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version = "5.0.4";
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version = "7.1.0";
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__structuredAttrs = true;
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strictDeps = true;
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src = fetchFromGitHub {
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owner = "wasmerio";
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repo = "wasmer";
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tag = "v${finalAttrs.version}";
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hash = "sha256-rP0qvSb9PxsTMAq0hpB+zdSTHvridyCVdukLUYxdao8=";
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hash = "sha256-A1SkZY+iSR9xlu6R1p9uZYsGFPAOifuYTHtEXaEgves=";
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fetchSubmodules = true;
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};
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cargoHash = "sha256-Fympp2A04viibo4U79FiBSJIeGDUWS34OOwebCks6S0=";
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cargoDeps = rustPlatform.fetchCargoVendor {
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inherit (finalAttrs) pname version src;
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hash = "sha256-wBEwGKjj9DdZESFlXS8T7B0Xdp7yMe08DYTGr4wnTVI=";
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};
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nativeBuildInputs = [
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cargo
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rustc
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rustPlatform.cargoSetupHook
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rustPlatform.bindgenHook
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];
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]
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++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames;
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buildInputs = lib.optionals withLLVM [
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llvmPackages_18.llvm
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llvmPackages_21.llvm
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libffi
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libxml2
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];
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# check references to `compiler_features` in Makefile on update
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buildFeatures = [
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"cranelift"
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"wasmer-artifact-create"
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"static-artifact-create"
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"wasmer-artifact-load"
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"static-artifact-load"
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]
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++ lib.optional withLLVM "llvm"
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++ lib.optional withSinglepass "singlepass";
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postPatch =
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# In 7.1.0 there is no nice flag to toggle napi/v8 on or off,
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# so we manually delete the Makefile entry when we don't want v8
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# TODO: v7.2.0 pre-release has a flag, when updating to 7.2.0
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# add "ENABLE_NAPI_V8=${if withV8 then "1" else "0"}" to makeFlags
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lib.optionalString (!withV8) ''
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substituteInPlace Makefile \
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--replace-fail ' build_wasmer_extra_features += napi-v8' ""
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''
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+
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lib.optionalString stdenv.hostPlatform.isDarwin
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# `install -Dm644 /dev/stdin DEST` fails on darwin with
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# "skipping file '/dev/stdin', as it was replaced while being copied".
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(
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''
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substituteInPlace Makefile \
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--replace-fail 'echo "$$pc" | install -Dm644 /dev/stdin "$(DESTDIR)"/lib/pkgconfig/wasmer.pc;' \
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'mkdir -p "$(DESTDIR)/lib/pkgconfig" && printf "%s\n" "$$pc" > "$(DESTDIR)/lib/pkgconfig/wasmer.pc";'
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''
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# install-capi-lib hardcodes libwasmer.so and a Linux SONAME symlink chain
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# (also marked Linux only in the Makefile)
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+ ''
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substituteInPlace Makefile \
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--replace-fail 'install-capi-lib ' ""
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''
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);
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cargoBuildFlags = [
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"--manifest-path"
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"lib/cli/Cargo.toml"
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"--bin"
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"wasmer"
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makeFlags = [
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"WASMER_INSTALL_PREFIX=${placeholder "out"}"
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"DESTDIR=${placeholder "out"}"
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"ENABLE_LLVM=${if withLLVM then "1" else "0"}"
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];
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env.LLVM_SYS_180_PREFIX = lib.optionalString withLLVM llvmPackages_18.llvm.dev;
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# Default all target includes headless C API which doesn't get installed
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# by their Makefile and is quite niche to include, so we opt out
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buildFlags = [
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"build-wasmer"
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"build-capi"
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];
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env =
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lib.optionalAttrs withLLVM {
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LLVM_SYS_211_PREFIX = llvmPackages_21.llvm.dev;
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}
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// lib.optionalAttrs withV8 {
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# build.rs skips the download when these are set; see resolve_explicit_v8 in lib/napi/build.rs
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NAPI_V8_INCLUDE_DIR = "${v8Prebuilt}/include";
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V8_LIB_DIR = "${v8Prebuilt}/lib";
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};
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postInstall = lib.optionalString stdenv.hostPlatform.isDarwin ''
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install -Dm755 target/release/libwasmer.dylib $out/lib/libwasmer.dylib
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'';
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passthru.updateScript = lib.getExe (writeShellApplication {
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name = "update-wasmer";
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runtimeInputs = [
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nix-update
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curl
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];
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text = builtins.readFile ./update.sh;
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});
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# Tests are failing due to `Cannot allocate memory` and other reasons
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doCheck = false;
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meta = {
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sourceProvenance = with lib.sourceTypes; [ fromSource ] ++ lib.optional withV8 binaryNativeCode;
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description = "Universal WebAssembly Runtime";
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mainProgram = "wasmer";
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longDescription = ''
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@@ -0,0 +1,49 @@
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old_version=$(grep -oP '^ version = "\K[^"]+(?=";)' pkgs/by-name/wa/wasmer/package.nix)
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echo "Current wasmer version: $old_version"
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nix-update wasmer "$@"
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new_version=$(grep -oP '^ version = "\K[^"]+(?=";)' pkgs/by-name/wa/wasmer/package.nix)
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if [ "$old_version" = "$new_version" ]; then
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echo "Already at $old_version, nothing to do"
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exit 0
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fi
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echo "Updated wasmer $old_version -> $new_version"
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# v8Version is pinned in package.nix to match PREBUILT_V8_VERSION in lib/napi/build.rs.
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# lib/napi is a submodule, so resolve its pinned SHA first, then fetch build.rs from that repo.
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echo "Fetching PREBUILT_V8_VERSION from lib/napi/build.rs..."
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napi_sha=$(curl -fsSL "https://api.github.com/repos/wasmerio/wasmer/contents/lib/napi?ref=v${new_version}" \
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| grep -oP '"sha":\s*"\K[^"]+' | head -1)
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new_v8=$(curl -fsSL "https://raw.githubusercontent.com/wasmerio/napi/${napi_sha}/build.rs" \
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| grep -oP 'PREBUILT_V8_VERSION\s*:\s*&str\s*=\s*"\K[^"]+')
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cur_v8=$(grep -oP '^ v8Version = "\K[^"]+(?=";)' pkgs/by-name/wa/wasmer/package.nix)
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echo "V8: current=$cur_v8, required=$new_v8"
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if [ "$new_v8" = "$cur_v8" ]; then
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echo "V8 version unchanged, done"
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exit 0
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fi
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echo "V8 bumped $cur_v8 -> $new_v8, fetching hashes for all platforms..."
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sed -i "s|^ v8Version = \"[^\"]*\";$| v8Version = \"$new_v8\";|" \
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pkgs/by-name/wa/wasmer/package.nix
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base="https://github.com/wasmerio/v8-custom-builds/releases/download/$new_v8"
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declare -A assets=(
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["v8-linux-amd64.tar.xz"]="$base/v8-linux-amd64.tar.xz"
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["v8-linux-musl-amd64.tar.xz"]="$base/v8-linux-musl-amd64.tar.xz"
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["v8-darwin-arm64.tar.xz"]="$base/v8-darwin-arm64.tar.xz"
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)
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for asset in "${!assets[@]}"; do
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url="${assets[$asset]}"
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echo " Fetching hash for $asset..."
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hash=$(nix-prefetch-url --type sha256 "$url" 2>/dev/null \
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| xargs nix hash convert --hash-algo sha256 --to sri)
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echo " $asset -> $hash"
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sed -i "s|\"$asset\" = \"[^\"]*\"|\"$asset\" = \"$hash\"|" \
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pkgs/by-name/wa/wasmer/package.nix
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done
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echo "Done"
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