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import { spawn } from "./spawn";
import { read } from "./fs";
import { debug } from "./console";
export const os = process.platform;
export const arch = os === "darwin" && process.arch === "x64" && isRosetta2() ? "arm64" : process.arch;
export const avx2 = (arch === "x64" && os === "linux" && isLinuxAVX2()) || (os === "darwin" && isDarwinAVX2());
export type Platform = {
os: string;
arch: string;
avx2?: boolean;
bin: string;
exe: string;
};
export const platforms: Platform[] = [
{
os: "darwin",
arch: "arm64",
bin: "bun-darwin-aarch64",
exe: "bin/bun",
},
{
os: "darwin",
arch: "x64",
avx2: true,
bin: "bun-darwin-x64",
exe: "bin/bun",
},
{
os: "darwin",
arch: "x64",
bin: "bun-darwin-x64-baseline",
exe: "bin/bun",
},
{
os: "linux",
arch: "arm64",
bin: "bun-linux-aarch64",
exe: "bin/bun",
},
{
os: "linux",
arch: "x64",
avx2: true,
bin: "bun-linux-x64",
exe: "bin/bun",
},
{
os: "linux",
arch: "x64",
bin: "bun-linux-x64-baseline",
exe: "bin/bun",
},
];
export const supportedPlatforms: Platform[] = platforms
.filter(platform => platform.os === os && platform.arch === arch && (!platform.avx2 || avx2))
.sort((a, b) => (a.avx2 === b.avx2 ? 0 : a.avx2 ? -1 : 1));
function isLinuxAVX2(): boolean {
try {
return read("/proc/cpuinfo").includes("avx2");
} catch (error) {
debug("isLinuxAVX2 failed", error);
return false;
}
}
function isDarwinAVX2(): boolean {
try {
const { exitCode, stdout } = spawn("sysctl", ["-n", "machdep.cpu"]);
return exitCode === 0 && stdout.includes("AVX2");
} catch (error) {
debug("isDarwinAVX2 failed", error);
return false;
}
}
function isRosetta2(): boolean {
try {
const { exitCode, stdout } = spawn("sysctl", ["-n", "sysctl.proc_translated"]);
return exitCode === 0 && stdout.includes("1");
} catch (error) {
debug("isRosetta2 failed", error);
return false;
}
}
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