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#!/usr/bin/env -S deno run --unstable --allow-read=. --allow-run=git
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { getSources, ROOT_PATH } from "./util.js";
const buffer = new Uint8Array(1024);
const textDecoder = new TextDecoder();
async function readFirstPartOfFile(filePath) {
const file = await Deno.open(filePath, { read: true });
try {
const byteCount = await file.read(buffer);
return textDecoder.decode(buffer.slice(0, byteCount ?? 0));
} finally {
file.close();
}
}
export async function checkCopyright() {
const sourceFiles = await getSources(ROOT_PATH, [
// js and ts
"*.js",
"*.ts",
":!:.github/mtime_cache/action.js",
":!:cli/tests/testdata/**",
":!:cli/bench/testdata/**",
":!:cli/tsc/dts/**",
":!:cli/tsc/*typescript.js",
":!:cli/tsc/compiler.d.ts",
":!:test_util/wpt/**",
":!:cli/tools/init/templates/**",
":!:cli/tests/unit_node/testdata/**",
":!:cli/tests/node_compat/test/**",
// rust
"*.rs",
":!:ops/optimizer_tests/**",
// toml
"*Cargo.toml",
]);
const errors = [];
const sourceFilesSet = new Set(sourceFiles);
for (const file of sourceFilesSet) {
const ERROR_MSG = "Copyright header is missing: ";
const fileText = await readFirstPartOfFile(file);
if (file.endsWith("Cargo.toml")) {
if (
!fileText.startsWith(
"# Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.",
)
) {
errors.push(ERROR_MSG + file);
}
continue;
}
// use .includes(...) because the first line might be a shebang
if (
!fileText.includes(
"// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.",
)
) {
errors.push(ERROR_MSG + file);
}
}
if (errors.length > 0) {
// show all the errors at the same time to prevent overlap with
// other running scripts that may be outputting
console.error(errors.join("\n"));
throw new Error(`Copyright checker had ${totalCount} errors.`);
}
}
if (import.meta.main) {
await checkCopyright();
}
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