Fix corrupt outputs

This commit is contained in:
Shawn 2019-01-07 04:52:07 -06:00
parent 9a872d8fa0
commit affa9336a3

View file

@ -5,7 +5,7 @@ const tarPack = tar.pack();
const ZstdCodec = require('zstd-codec').ZstdCodec;
const util = require('util');
const COMPRESSION_LEVEL = 5;
const COMPRESSION_LEVEL = 3;
// async readdir
const readdir = async (path, options) => {
@ -64,29 +64,35 @@ async function walkAndRun(runCommand, dir, root) {
const currentPath = path.join(dir, file);
if (fs.statSync(currentPath).isDirectory()) {
walkAndRun(runCommand, currentPath);
await walkAndRun(runCommand, currentPath);
} else {
runCommand(currentPath);
await runCommand(currentPath);
}
}
};
async function writeStream(stream, data) {
return new Promise((resolve) => {
stream.write(data);
stream.end(resolve)
});
}
async function packDirectory(directory, options = {}) {
const zstd = await getZstd();
const packRoot = directory;
const fileWriteStream = getFileWriteStream(options);
const zstd = await getZstd();
tarPack.pipe(fileWriteStream);
writeFirstEntry(options, tarPack);
//writeFirstEntry(options, tarPack);
walkAndRun(async (file) => {
let contents = await readFile(file);
contents = new Uint8Array(contents);
await walkAndRun(async (file) => {
try{
contents = await readFile(path.normalize(file));
// Must be chunked to avoid issues with fixed memory limits.
const chunkIterator = (() => {
const chunkSize = 4096;
const chunkSize = 128;
let position = 0;
const iterator = {
@ -119,10 +125,34 @@ async function packDirectory(directory, options = {}) {
}
});
entry.end(contents);
await writeStream(entry, contents);
//console.log(contents)
entry.end();
}catch (e){console.log(e)}
}, directory, packRoot);
tarPack.finalize();
};
function strToBuffer (string) {
let arrayBuffer = new ArrayBuffer(string.length * 1);
let newUint = new Uint8Array(arrayBuffer);
newUint.forEach((_, i) => {
newUint[i] = string.charCodeAt(i);
});
return newUint;
}
function streamToBuffer(stream) {
const chunks = []
return new Promise((resolve, reject) => {
stream.on('data', chunk => chunks.push(chunk))
stream.on('error', reject)
stream.on('end', () => resolve(Buffer.concat(chunks)))
})
}
async function unpackDirectory(directory, options = {}) {
if(!fs.existsSync(directory)) {
fs.mkdirSync(directory);
@ -134,18 +164,21 @@ async function unpackDirectory(directory, options = {}) {
const extract = tar.extract();
extract.on('entry', async (header, fileStream, next) => {
fileStream.on('end', () => {
next();
})
let contents = await streamToBuffer(fileStream);
contents = new Uint8Array(contents);
contents = zstd.decompress(contents);
if(!/^\./.test(header.name)) {
console.log(header.name)
const writePath = path.join(directory, header.name);
await fs.promises.mkdir(path.dirname(writePath), { recursive: true });
fs.promises.mkdir(path.dirname(writePath), { recursive: true });
var fileWriteStream = fs.createWriteStream(writePath);
fileStream.pipe(fileWriteStream);
fileWriteStream.end(contents);
next();
} else {
// Just drain it
fileStream.resume();
fileWriteStream.resume();
next();
}
});