mirror of https://github.com/denoland/deno.git
112 lines
3.0 KiB
JavaScript
112 lines
3.0 KiB
JavaScript
#!/usr/bin/env -S deno run --allow-read=. --allow-run=git
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { getSources, ROOT_PATH } from "./util.js";
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const copyrightYear = 2024;
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const buffer = new Uint8Array(1024);
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const textDecoder = new TextDecoder();
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async function readFirstPartOfFile(filePath) {
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const file = await Deno.open(filePath, { read: true });
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try {
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const byteCount = await file.read(buffer);
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return textDecoder.decode(buffer.slice(0, byteCount ?? 0));
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} finally {
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file.close();
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}
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}
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export async function checkCopyright() {
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const sourceFiles = await getSources(ROOT_PATH, [
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// js and ts
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"*.js",
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"*.ts",
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":!:.github/mtime_cache/action.js",
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":!:tests/specs/**",
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":!:tests/testdata/**",
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":!:cli/bench/testdata/**",
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":!:cli/tsc/dts/**",
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":!:cli/tsc/*typescript.js",
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":!:cli/tsc/compiler.d.ts",
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":!:tests/wpt/suite/**",
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":!:cli/tools/init/templates/**",
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":!:tests/unit_node/testdata/**",
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":!:tests/node_compat/test/**",
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":!:cli/tools/bench/mitata.rs",
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// rust
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"*.rs",
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":!:ops/optimizer_tests/**",
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// toml
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"*Cargo.toml",
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]);
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const errors = [];
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const sourceFilesSet = new Set(sourceFiles);
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const ERROR_MSG = "Copyright header is missing: ";
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// Acceptable content before the copyright line
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const ACCEPTABLE_LINES =
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/^(\/\/ deno-lint-.*|\/\/ Copyright.*|\/\/ Ported.*|\s*|#!\/.*)\n/;
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const COPYRIGHT_LINE =
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`Copyright 2018-${copyrightYear} the Deno authors. All rights reserved. MIT license.`;
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const TOML_COPYRIGHT_LINE = "# " + COPYRIGHT_LINE;
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const C_STYLE_COPYRIGHT_LINE = "// " + COPYRIGHT_LINE;
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for (const file of sourceFilesSet) {
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const fileText = await readFirstPartOfFile(file);
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if (file.endsWith("Cargo.toml")) {
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if (
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!fileText.startsWith(TOML_COPYRIGHT_LINE)
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) {
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errors.push(ERROR_MSG + file);
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}
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continue;
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}
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if (
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!fileText.startsWith(C_STYLE_COPYRIGHT_LINE)
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) {
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let trimmedText = fileText;
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// Attempt to trim accceptable lines
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while (
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ACCEPTABLE_LINES.test(trimmedText) &&
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!trimmedText.startsWith(C_STYLE_COPYRIGHT_LINE)
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) {
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trimmedText = trimmedText.split("\n").slice(1).join("\n");
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}
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if (
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!trimmedText.startsWith(C_STYLE_COPYRIGHT_LINE)
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) {
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errors.push(
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`${ERROR_MSG}${file} (incorrect line is '${
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trimmedText.split("\n", 1)
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}')`,
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);
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}
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}
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}
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// check the main license file
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const licenseText = Deno.readTextFileSync(ROOT_PATH + "/LICENSE.md");
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if (
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!licenseText.includes(`Copyright 2018-${copyrightYear} the Deno authors`)
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) {
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errors.push(`LICENSE.md has old copyright year`);
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}
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if (errors.length > 0) {
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// show all the errors at the same time to prevent overlap with
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// other running scripts that may be outputting
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console.error(errors.join("\n"));
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throw new Error(`Copyright checker had ${errors.length} errors.`);
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}
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}
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if (import.meta.main) {
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await checkCopyright();
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}
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