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Diffstat (limited to '')
| -rw-r--r-- | node_modules/tar/dist/esm/replace.js | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/node_modules/tar/dist/esm/replace.js b/node_modules/tar/dist/esm/replace.js deleted file mode 100644 index 77c878a..0000000 --- a/node_modules/tar/dist/esm/replace.js +++ /dev/null @@ -1,221 +0,0 @@ -// tar -r -import { WriteStream, WriteStreamSync } from '@isaacs/fs-minipass'; -import fs from 'node:fs'; -import path from 'node:path'; -import { Header } from './header.js'; -import { list } from './list.js'; -import { makeCommand } from './make-command.js'; -import { isFile } from './options.js'; -import { Pack, PackSync } from './pack.js'; -// starting at the head of the file, read a Header -// If the checksum is invalid, that's our position to start writing -// If it is, jump forward by the specified size (round up to 512) -// and try again. -// Write the new Pack stream starting there. -const replaceSync = (opt, files) => { - const p = new PackSync(opt); - let threw = true; - let fd; - let position; - try { - try { - fd = fs.openSync(opt.file, 'r+'); - } - catch (er) { - if (er?.code === 'ENOENT') { - fd = fs.openSync(opt.file, 'w+'); - } - else { - throw er; - } - } - const st = fs.fstatSync(fd); - const headBuf = Buffer.alloc(512); - POSITION: for (position = 0; position < st.size; position += 512) { - for (let bufPos = 0, bytes = 0; bufPos < 512; bufPos += bytes) { - bytes = fs.readSync(fd, headBuf, bufPos, headBuf.length - bufPos, position + bufPos); - if (position === 0 && headBuf[0] === 0x1f && headBuf[1] === 0x8b) { - throw new Error('cannot append to compressed archives'); - } - if (!bytes) { - break POSITION; - } - } - const h = new Header(headBuf); - if (!h.cksumValid) { - break; - } - const entryBlockSize = 512 * Math.ceil((h.size || 0) / 512); - if (position + entryBlockSize + 512 > st.size) { - break; - } - // the 512 for the header we just parsed will be added as well - // also jump ahead all the blocks for the body - position += entryBlockSize; - if (opt.mtimeCache && h.mtime) { - opt.mtimeCache.set(String(h.path), h.mtime); - } - } - threw = false; - streamSync(opt, p, position, fd, files); - } - finally { - if (threw) { - try { - fs.closeSync(fd); - } - catch { } - } - } -}; -const streamSync = (opt, p, position, fd, files) => { - const stream = new WriteStreamSync(opt.file, { - fd: fd, - start: position, - }); - p.pipe(stream); - addFilesSync(p, files); -}; -const replaceAsync = (opt, files) => { - files = Array.from(files); - const p = new Pack(opt); - const getPos = (fd, size, cb_) => { - const cb = (er, pos) => { - if (er) { - fs.close(fd, _ => cb_(er)); - } - else { - cb_(null, pos); - } - }; - let position = 0; - if (size === 0) { - return cb(null, 0); - } - let bufPos = 0; - const headBuf = Buffer.alloc(512); - const onread = (er, bytes) => { - if (er || bytes === undefined) { - return cb(er); - } - bufPos += bytes; - if (bufPos < 512 && bytes) { - return fs.read(fd, headBuf, bufPos, headBuf.length - bufPos, position + bufPos, onread); - } - if (position === 0 && headBuf[0] === 0x1f && headBuf[1] === 0x8b) { - return cb(new Error('cannot append to compressed archives')); - } - // truncated header - if (bufPos < 512) { - return cb(null, position); - } - const h = new Header(headBuf); - if (!h.cksumValid) { - return cb(null, position); - } - /* c8 ignore next */ - const entryBlockSize = 512 * Math.ceil((h.size ?? 0) / 512); - if (position + entryBlockSize + 512 > size) { - return cb(null, position); - } - position += entryBlockSize + 512; - if (position >= size) { - return cb(null, position); - } - if (opt.mtimeCache && h.mtime) { - opt.mtimeCache.set(String(h.path), h.mtime); - } - bufPos = 0; - fs.read(fd, headBuf, 0, 512, position, onread); - }; - fs.read(fd, headBuf, 0, 512, position, onread); - }; - const promise = new Promise((resolve, reject) => { - p.on('error', reject); - let flag = 'r+'; - const onopen = (er, fd) => { - if (er && er.code === 'ENOENT' && flag === 'r+') { - flag = 'w+'; - return fs.open(opt.file, flag, onopen); - } - if (er || !fd) { - return reject(er); - } - fs.fstat(fd, (er, st) => { - if (er) { - return fs.close(fd, () => reject(er)); - } - getPos(fd, st.size, (er, position) => { - if (er) { - return reject(er); - } - const stream = new WriteStream(opt.file, { - fd: fd, - start: position, - }); - p.pipe(stream); - stream.on('error', reject); - stream.on('close', resolve); - addFilesAsync(p, files); - }); - }); - }; - fs.open(opt.file, flag, onopen); - }); - return promise; -}; -const addFilesSync = (p, files) => { - files.forEach(file => { - if (file.charAt(0) === '@') { - list({ - file: path.resolve(p.cwd, file.slice(1)), - sync: true, - noResume: true, - onReadEntry: entry => p.add(entry), - }); - } - else { - p.add(file); - } - }); - p.end(); -}; -const addFilesAsync = async (p, files) => { - for (const file of files) { - if (file.charAt(0) === '@') { - await list({ - file: path.resolve(String(p.cwd), file.slice(1)), - noResume: true, - onReadEntry: entry => p.add(entry), - }); - } - else { - p.add(file); - } - } - p.end(); -}; -export const replace = makeCommand(replaceSync, replaceAsync, -/* c8 ignore start */ -() => { - throw new TypeError('file is required'); -}, () => { - throw new TypeError('file is required'); -}, -/* c8 ignore stop */ -(opt, entries) => { - if (!isFile(opt)) { - throw new TypeError('file is required'); - } - if (opt.gzip || - opt.brotli || - opt.zstd || - opt.file.endsWith('.br') || - opt.file.endsWith('.tbr')) { - throw new TypeError('cannot append to compressed archives'); - } - if (!entries?.length) { - throw new TypeError('no paths specified to add/replace'); - } -}); -//# sourceMappingURL=replace.js.map
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