mirror of
https://github.com/verdaccio/verdaccio.git
synced 2024-12-16 21:56:25 -05:00
Refactored addPackage on Storage
This commit is contained in:
Juan Picado @jotadeveloper
parent
391e98de9f
commit
09ca08baaf
2 changed files with 90 additions and 86 deletions
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@ -412,7 +412,7 @@ module.exports = function(config, auth, storage) {
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after_change(err, 'package changed');
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});
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} else {
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storage.add_package(name, metadata, function(err) {
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storage.addPackage(name, metadata, function(err) {
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after_change(err, 'created new package');
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});
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}
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174
lib/storage.js
174
lib/storage.js
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@ -61,85 +61,89 @@ class Storage {
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* @param {*} metadata
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* @param {*} callback
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*/
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add_package(name, metadata, callback) {
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let self = this;
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addPackage(name, metadata, callback) {
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const self = this;
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/**
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* Check whether a package it is already a local package
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* @param {*} cb the callback method
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* @return {Promise}
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*/
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const checkPackageLocal = () => {
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return new Promise((resolve, reject) => {
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this.localStorage.getPackage(name, {}, (err, results) => {
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if (!_.isNil(err) && err.status !== 404) {
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return reject(err);
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}
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if (results) {
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return reject(Error[409]('this package is already present'));
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}
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return resolve();
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});
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});
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};
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/**
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* Check whether a package exist in any of the uplinks.
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* @param {*} cb the callback method
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* @return {Promise}
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*/
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const check_package_remote = () => {
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return new Promise((resolve, reject) => {
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self._sync_package_with_uplinks(name, null, {}, (err, results, err_results) => {
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// something weird
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if (err && err.status !== 404) {
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return reject(err);
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}
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// checking package
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if (results) {
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return reject(Error[409]('this package is already present'));
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}
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for (let i = 0; i < err_results.length; i++) {
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// checking error
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// if uplink fails with a status other than 404, we report failure
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if (err_results[i][0] != null) {
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if (err_results[i][0].status !== 404) {
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return reject(Error[503]('one of the uplinks is down, refuse to publish'));
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}
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}
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}
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return resolve();
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});
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});
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};
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/**
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* Add a package to the local database
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* @param {*} cb callback method
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* @return {Promise}
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*/
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const publish_package = () => {
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return new Promise((resolve, reject) => {
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self.localStorage.addPackage(name, metadata, (err, latest) => {
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if (!_.isNull(err)) {
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return reject(err);
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} else if (!_.isUndefined(latest)) {
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Search.add(latest);
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}
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return resolve();
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});
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});
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};
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// NOTE:
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// - when we checking package for existance, we ask ALL uplinks
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// - when we publishing package, we only publish it to some of them
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// so all requests are necessary
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check_package_local(function(err) {
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if (err) return callback(err);
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check_package_remote(function(err) {
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if (err) return callback(err);
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publish_package(function(err) {
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if (err) return callback(err);
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callback();
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});
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});
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});
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/**
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* Check whether a package it is already a local package
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* @param {*} cb the callback method
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*/
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function check_package_local(cb) {
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self.localStorage.getPackage(name, {}, function(err, results) {
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if (err && err.status !== 404) {
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return cb(err);
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}
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if (results) {
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return cb( Error[409]('this package is already present') );
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}
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cb();
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});
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}
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/**
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* Check whether a package exist in any of the uplinks.
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* @param {*} cb the callback method
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*/
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function check_package_remote(cb) {
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self._sync_package_with_uplinks(name, null, {}, function(err, results, err_results) {
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// something weird
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if (err && err.status !== 404) {
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return cb(err);
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}
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// checking package
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if (results) {
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return cb( Error[409]('this package is already present') );
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}
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for (let i=0; i<err_results.length; i++) {
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// checking error
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// if uplink fails with a status other than 404, we report failure
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if (err_results[i][0] != null) {
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if (err_results[i][0].status !== 404) {
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return cb( Error[503]('one of the uplinks is down, refuse to publish') );
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}
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}
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}
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return cb();
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});
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}
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/**
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* Add a package to the local database
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* @param {*} cb callback method
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*/
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function publish_package(cb) {
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self.localStorage.addPackage(name, metadata, (err, latest) => {
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if (!_.isNull(err)) {
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return cb(err);
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} else if (!_.isUndefined(latest)) {
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Search.add(latest);
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}
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return cb();
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});
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}
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checkPackageLocal()
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.then(() => {
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return check_package_remote().then(() => {
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return publish_package().then(() => {
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callback();
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}, (err) => callback(err));
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}, (err) => callback(err));
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}, (err) => callback(err));
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}
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/**
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@ -241,8 +245,8 @@ class Storage {
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* @return {Stream}
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*/
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get_tarball(name, filename) {
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let stream = new MyStreams.ReadTarball();
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stream.abort = function() {};
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let readStream = new MyStreams.ReadTarball();
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readStream.abort = function() {};
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let self = this;
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@ -254,7 +258,7 @@ class Storage {
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let is_open = false;
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rstream.on('error', function(err) {
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if (is_open || err.status !== 404) {
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return stream.emit('error', err);
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return readStream.emit('error', err);
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}
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// local reported 404
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@ -269,10 +273,10 @@ class Storage {
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// we know nothing about this file, trying to get information elsewhere
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self._sync_package_with_uplinks(name, info, {}, function(err, info) {
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if (err) {
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return stream.emit('error', err);
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return readStream.emit('error', err);
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}
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if (!info._distfiles || info._distfiles[filename] == null) {
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return stream.emit('error', err404);
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return readStream.emit('error', err404);
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}
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serve_file(info._distfiles[filename]);
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});
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@ -280,13 +284,13 @@ class Storage {
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});
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});
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rstream.on('content-length', function(v) {
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stream.emit('content-length', v);
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readStream.emit('content-length', v);
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});
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rstream.on('open', function() {
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is_open = true;
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rstream.pipe(stream);
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rstream.pipe(readStream);
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});
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return stream;
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return readStream;
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/**
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* Fetch and cache local/remote packages.
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@ -319,7 +323,7 @@ class Storage {
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savestream.abort();
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}
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savestream = null;
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stream.emit('error', err);
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readStream.emit('error', err);
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});
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rstream2.on('end', function() {
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if (savestream) {
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@ -328,12 +332,12 @@ class Storage {
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});
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rstream2.on('content-length', function(v) {
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stream.emit('content-length', v);
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readStream.emit('content-length', v);
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if (savestream) {
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savestream.emit('content-length', v);
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}
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});
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rstream2.pipe(stream);
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rstream2.pipe(readStream);
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if (savestream) {
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rstream2.pipe(savestream);
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}
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