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#!/usr/bin/env -S deno run --allow-env --allow-read --allow-write --allow-run// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import $ from "https://deno.land/x/dax@0.32.0/mod.ts";
if (Deno.args.length === 0) {  $.log(    "Usage: build_bench [-v] [--profile release|debug] commit1 [commit2 [comment3...]]",  );  Deno.exit(1);}
const args = Deno.args.slice();let verbose = false;if (args[0] == "-v") {  args.shift();  verbose = true;}
let profile = "release";if (args[0] == "--profile") {  args.shift();  profile = args.shift();}
function exit(msg: string) {  $.logError(msg);  Deno.exit(1);}
// Make sure the .git dir existsconst gitDir = Deno.cwd() + "/.git";await Deno.stat(gitDir);
async function runCommand(human: string, cmd) {  if (verbose) {    const out = await cmd.noThrow();    if (out.code != 0) {      exit(human);    }  } else {    const out = await cmd.stdout("piped").stderr("piped").noThrow();    if (out.code != 0) {      $.logLight("stdout");      $.logGroup();      $.log(out.stdout);      $.logGroupEnd();      $.logLight("stderr");      $.logGroup();      $.log(out.stderr);      $.logGroupEnd();      exit(human);    }  }}
async function buildGitCommit(progress, commit) {  const tempDir = $.path(await Deno.makeTempDir());
  const gitInfo =    await $`git log --pretty=oneline --abbrev-commit -n1 ${commit}`.stdout(      "piped",    ).stderr("piped").noThrow();  if (gitInfo.code != 0) {    $.log(gitInfo.stdout);    $.log(gitInfo.stderr);    exit(`Failed to get git info for commit ${commit}`);  }
  const hash = gitInfo.stdout.split(" ")[0];  progress.message(`${commit} is ${hash}`);
  progress.message(`clone ${hash}`);  await runCommand(    `Failed to clone commit ${commit}`,    $`git clone ${gitDir} ${tempDir}`,  );
  progress.message(`reset ${hash}`);  await runCommand(    `Failed to reset commit ${commit}`,    $`git reset --hard ${hash}`.cwd(tempDir),  );
  progress.message(`build ${hash} (please wait)`);  const now = Date.now();  const interval = setInterval(() => {    const elapsed = Math.round((Date.now() - now) / 1000);    progress.message(`build ${hash} (${elapsed}s)`);  }, 100);  try {    if (profile === "debug") {      await runCommand(        `Failed to build commit ${commit}`,        $`cargo build`.cwd(tempDir),      );    } else {      await runCommand(        `Failed to build commit ${commit}`,        $`cargo build --profile ${profile}`.cwd(tempDir),      );    }  } finally {    clearInterval(interval);  }  const elapsed = Math.round((Date.now() - now) / 1000);
  let file;  if (profile === "release") {    file = `deno-${hash}`;  } else {    file = `deno-${profile}-${hash}`;  }  progress.message(`copy ${hash}`);  await tempDir.join("target").join(profile).join("deno").copyFile(file);
  progress.message(`cleanup ${hash}`);  await tempDir.remove({ recursive: true });
  progress.message("done");  $.log(`Built ./${file} (${commit}) in ${elapsed}s: ${gitInfo.stdout}`);}
const promises = [];for (const arg of args) {  if (verbose) {    promises.push(buildGitCommit({ message() {} }, arg));  } else {    const progress = $.progress(`${arg}`);    promises.push(progress.with(async () => {      await buildGitCommit(progress, arg);    }));  }}
await Promise.all(promises);