Files
meteor/tools/isopack.js
David Glasser dc24e7b7d7 Implement soft refresh.
Fixes #3213.

Also ameliorates the memory leak of parsedSourceMaps in
files.runJavaScript (because now we don't reload unchanged plugins).
2014-12-16 23:59:59 -08:00

1147 lines
40 KiB
JavaScript

var compiler = require('./compiler.js');
var archinfo = require('./archinfo.js');
var _ = require('underscore');
var linker = require('./linker.js');
var buildmessage = require('./buildmessage.js');
var fs = require('fs');
var path = require('path');
var Builder = require('./builder.js');
var bundler = require('./bundler.js');
var watch = require('./watch.js');
var files = require('./files.js');
var isopackets = require("./isopackets.js");
var isopackCacheModule = require('./isopack-cache.js');
var packageMapModule = require('./package-map.js');
var Future = require('fibers/future');
var Console = require('./console.js').Console;
var rejectBadPath = function (p) {
if (p.match(/\.\./))
throw new Error("bad path: " + p);
};
///////////////////////////////////////////////////////////////////////////////
// Unibuild
///////////////////////////////////////////////////////////////////////////////
// Options:
// - kind [required] (main/plugin/app)
// - arch [required]
// - uses
// - implies
// - watchSet
// - nodeModulesPath
// - prelinkFiles
// - packageVariables
// - resources
var nextBuildId = 1;
var Unibuild = function (isopack, options) {
var self = this;
options = options || {};
self.pkg = isopack;
self.kind = options.kind;
self.arch = options.arch;
self.uses = options.uses;
self.implies = options.implies || [];
// This WatchSet will end up having the watch items from the
// SourceArch (such as package.js or .meteor/packages), plus all of
// the actual source files for the unibuild (including items that we
// looked at to find the source files, such as directories we
// scanned).
self.watchSet = options.watchSet || new watch.WatchSet();
// Each Unibuild is given a unique id when it's loaded (it is
// not saved to disk). This is just a convenience to make it easier
// to keep track of Unibuilds in a map; it's used by bundler
// and compiler. We put some human readable info in here too to make
// debugging easier.
self.id = self.pkg.name + "." + self.kind + "@" + self.arch + "#" +
(nextBuildId ++);
// Prelink output.
//
// 'prelinkFiles' is the partially linked JavaScript code (an
// array of objects with keys 'source' and 'servePath', both strings -- see
// prelink() in linker.js)
//
// 'packageVariables' are variables that are syntactically globals
// in our input files and which we capture with a package-scope
// closure. A list of objects with keys 'name' (required) and
// 'export' (true, 'tests', or falsy).
//
// Both of these are saved into unibuilds on disk, and are inputs into the final
// link phase, which inserts the final JavaScript resources into
// 'resources'.
self.prelinkFiles = options.prelinkFiles;
self.packageVariables = options.packageVariables;
// All of the data provided for eventual inclusion in the bundle,
// other than JavaScript that still needs to be fed through the
// final link stage. A list of objects with these keys:
//
// type: "js", "css", "head", "body", "asset"
//
// data: The contents of this resource, as a Buffer. For example,
// for "head", the data to insert in <head>; for "js", the
// JavaScript source code (which may be subject to further
// processing such as minification); for "asset", the contents of a
// static resource such as an image.
//
// servePath: The (absolute) path at which the resource would prefer
// to be served. Interpretation varies by type. For example, always
// honored for "asset", ignored for "head" and "body", sometimes
// honored for CSS but ignored if we are concatenating.
//
// sourceMap: Allowed only for "js". If present, a string.
self.resources = options.resources;
// Absolute path to the node_modules directory to use at runtime to
// resolve Npm.require() calls in this unibuild. null if this unibuild
// does not have a node_modules.
self.nodeModulesPath = options.nodeModulesPath;
};
_.extend(Unibuild.prototype, {
// Get the resources that this function contributes to a bundle, in
// the same format as self.resources as documented above. This
// includes static assets and fully linked JavaScript.
//
// @param bundleArch The architecture targeted by the bundle. Might
// be more specific than self.arch.
//
// It is when you call this function that we read our dependent
// packages and commit to whatever versions of them we currently
// have in the library -- at least for the purpose of imports, which
// is resolved at bundle time. (On the other hand, when it comes to
// the extension handlers we'll use, we previously commited to those
// versions at package build ('compile') time.)
getResources: function (bundleArch, options) {
var self = this;
var isopackCache = options.isopackCache;
if (! isopackCache)
throw Error("no isopackCache?");
if (! archinfo.matches(bundleArch, self.arch))
throw new Error("unibuild of arch '" + self.arch + "' does not support '" +
bundleArch + "'?");
// Compute imports by merging the exports of all of the packages
// we use. Note that in the case of conflicting symbols, later
// packages get precedence.
//
// We don't get imports from unordered dependencies (since they may not be
// defined yet) or from weak/debugOnly dependencies (because the meaning of
// a name shouldn't be affected by the non-local decision of whether or not
// an unrelated package in the target depends on something).
var imports = {}; // map from symbol to supplying package name
var addImportsForUnibuild = function (depUnibuild) {
_.each(depUnibuild.packageVariables, function (symbol) {
// Slightly hacky implementation of test-only exports.
if (symbol.export === true ||
(symbol.export === "tests" && self.pkg.isTest))
imports[symbol.name] = depUnibuild.pkg.name;
});
};
compiler.eachUsedUnibuild({
dependencies: self.uses,
arch: bundleArch,
isopackCache: isopackCache,
skipUnordered: true,
skipDebugOnly: true
}, addImportsForUnibuild);
// Phase 2 link
var isApp = ! self.pkg.name;
var files = linker.link({
imports: imports,
useGlobalNamespace: isApp,
// XXX report an error if there is a package called global-imports
importStubServePath: isApp && '/packages/global-imports.js',
prelinkFiles: self.prelinkFiles,
packageVariables: self.packageVariables,
includeSourceMapInstructions: archinfo.matches(self.arch, "web"),
name: self.pkg.name || null
});
// Add each output as a resource
var jsResources = _.map(files, function (file) {
return {
type: "js",
data: new Buffer(file.source, 'utf8'), // XXX encoding
servePath: file.servePath,
sourceMap: file.sourceMap
};
});
return _.union(self.resources, jsResources); // union preserves order
}
});
///////////////////////////////////////////////////////////////////////////////
// Isopack
///////////////////////////////////////////////////////////////////////////////
var convertIsopackFormat = function (data, versionFrom, versionTo) {
var convertedData = _.clone(data);
if (versionFrom === versionTo) {
return convertedData;
}
// XXX COMPAT WITH 0.9.3
if (versionFrom === "unipackage-pre2" && versionTo === "isopack-1") {
convertedData.builds = convertedData.unibuilds;
delete convertedData.unibuilds;
return convertedData;
} else if (versionFrom === "isopack-1" && versionTo === "unipackage-pre2") {
convertedData.unibuilds = convertedData.builds;
convertedData.format = "unipackage-pre2";
delete convertedData.builds;
return convertedData;
}
};
var currentFormat = "isopack-1";
// XXX document
var Isopack = function () {
var self = this;
// These have the same meaning as in PackageSource.
self.name = null;
self.metadata = {};
self.version = null;
self.isTest = false;
self.debugOnly = false;
// Unibuilds, an array of class Unibuild.
self.unibuilds = [];
// Plugins in this package. Map from plugin name to {arch -> JsImage}.
self.plugins = {};
self.cordovaDependencies = {};
// -- Information for up-to-date checks --
// Data in this section is only set if the Isopack was directly created by
// compiler.compile or read from a package compiled by IsopackCache (with its
// isopack-buildinfo.json file). They are not set for Isopacks read from
// the tropohouse.
// XXX this is likely to change once we have build versions
//
// A WatchSet for the full transitive dependencies for all plugins in this
// package, as well as this package's package.js. If any of these dependencies
// change, our plugins need to be rebuilt... but also, any package that
// directly uses this package needs to be rebuilt in case the change to
// plugins affected compilation.
self.pluginWatchSet = new watch.WatchSet();
// -- Loaded plugin state --
// True if plugins have been initialized (if _ensurePluginsInitialized has
// been called)
self._pluginsInitialized = false;
// Source file handlers registered by plugins. Map from extension
// (without a dot) to a handler function that takes a
// CompileStep. Valid only when _pluginsInitialized is true.
self.sourceHandlers = null;
// See description in PackageSource. If this is set, then we include a copy of
// our own source, in addition to any other tools that were originally in the
// isopack.
self.includeTool = false;
// This is tools to copy from trees on disk. This is used by the
// isopack-merge code in tropohouse.
self.toolsOnDisk = [];
// XXX doc
self.pluginProviderPackageMap = null;
};
_.extend(Isopack.prototype, {
// Make a dummy (empty) package that contains nothing of interest.
// XXX used?
initEmpty: function (name) {
var self = this;
self.name = name;
},
// This is primarily intended to be used by the compiler. After
// calling this, call addUnibuild to add the unibuilds.
initFromOptions: function (options) {
var self = this;
self.name = options.name;
self.metadata = options.metadata;
self.version = options.version;
self.isTest = options.isTest;
self.plugins = options.plugins;
self.cordovaDependencies = options.cordovaDependencies;
self.pluginWatchSet = options.pluginWatchSet;
self.npmDiscards = options.npmDiscards;
self.includeTool = options.includeTool;
self.debugOnly = options.debugOnly;
},
// Programmatically add a unibuild to this Isopack. Should only be
// called as part of building up a new Isopack using
// initFromOptions. 'options' are the options to the Unibuild
// constructor.
addUnibuild: function (options) {
var self = this;
self.unibuilds.push(new Unibuild(self, options));
},
setPluginProviderPackageMap: function (pluginProviderPackageMap) {
var self = this;
self.pluginProviderPackageMap = pluginProviderPackageMap;
},
getSourceFilesUnderSourceRoot: function (sourceRoot) {
var self = this;
var sourceFiles = {};
var anySourceFiles = false;
var addSourceFilesFromWatchSet = function (watchSet) {
_.each(watchSet.files, function (hash, filename) {
anySourceFiles = true;
var relativePath = path.relative(sourceRoot, filename);
// We only want files that are actually under sourceRoot.
if (relativePath.substr(0, 3) === '..' + path.sep)
return;
sourceFiles[relativePath] = true;
});
};
addSourceFilesFromWatchSet(self.pluginWatchSet);
_.each(self.unibuilds, function (u) {
addSourceFilesFromWatchSet(u.watchSet);
});
// Were we actually built from source or loaded from an IsopackCache? If so
// then there should be at least one source file in some WatchSet. If not,
// return null.
if (! anySourceFiles)
return null;
return _.keys(sourceFiles);
},
// An sorted array of all the architectures included in this package.
architectures: function () {
var self = this;
var archSet = {};
_.each(self.unibuilds, function (unibuild) {
archSet[unibuild.arch] = true;
});
_.each(self._toolArchitectures(), function (arch) {
archSet[arch] = true;
});
_.each(self.plugins, function (plugin, name) {
_.each(plugin, function (plug, arch) {
archSet[arch] = true;
});
});
var arches = _.keys(archSet).sort();
// Ensure that our buildArchitectures string does not look like
// web+os+os.osx.x86_64
// This would happen if there is an 'os' unibuild but a platform-specific
// tool (eg, in meteor-tool). This would confuse catalog.getBuildsForArches
// into thinking that it would work for Linux, since the 'os' means
// 'works on any Node server'.
if (_.any(arches, function (a) { return a.match(/^os\./); })) {
arches = _.without(arches, 'os');
}
return arches;
},
// A sorted plus-separated string of all the architectures included in this
// package.
buildArchitectures: function () {
var self = this;
return self.architectures().join('+');
},
// Returns true if we think that this isopack is platform specific (contains
// binary builds)
platformSpecific: function () {
var self = this;
return _.any(self.architectures(), function (arch) {
return arch.match(/^os\./);
});
},
tarballName: function () {
var self = this;
return self.name + '-' + self.version + '-' + self.buildArchitectures();
},
_toolArchitectures: function () {
var self = this;
var toolArches = _.pluck(self.toolsOnDisk, 'arch');
self.includeTool && toolArches.push(archinfo.host());
return _.uniq(toolArches).sort();
},
// Return the unibuild of the package to use for a given target architecture
// (eg, 'os.linux.x86_64' or 'web'), or throw an exception if that
// packages can't be loaded under these circumstances.
getUnibuildAtArch: function (arch) {
var self = this;
var chosenArch = archinfo.mostSpecificMatch(
arch, _.pluck(self.unibuilds, 'arch'));
if (! chosenArch) {
buildmessage.error(
(self.name || "this app") +
" is not compatible with architecture '" + arch + "'",
{ secondary: true });
// recover by returning by no unibuilds
return null;
}
return _.findWhere(self.unibuilds, { arch: chosenArch });
},
// Load this package's plugins into memory, if they haven't already
// been loaded, and return the list of source file handlers
// registered by the plugins: a map from extension (without a dot)
// to a handler function that takes a CompileStep.
getSourceHandlers: function () {
var self = this;
self._ensurePluginsInitialized();
return self.sourceHandlers;
},
// If this package has plugins, initialize them (run the startup
// code in them so that they register their extensions). Idempotent.
_ensurePluginsInitialized: function () {
var self = this;
if (self._pluginsInitialized)
return;
/**
* @global
* @namespace Plugin
* @summary The namespace that is exposed inside build plugin files.
*/
var Plugin = {
// 'extension' is a file extension without the separation dot
// (eg 'js', 'coffee', 'coffee.md')
//
// 'options' can be omitted. The only known option is 'isTemplate', which
// is a bit of a hack meaning "in an app, these files should be loaded
// before non-templates".
//
// 'handler' is a function that takes a single argument, a
// CompileStep (#CompileStep)
/**
* @summary Inside a build plugin source file specified in
* [Package.registerBuildPlugin](#Package-registerBuildPlugin),
* add a handler to compile files with a certain file extension.
* @param {String} fileExtension The file extension that this plugin
* should handle, without the first dot.
* Examples: `"coffee"`, `"coffee.md"`.
* @param {Function} handler A function that takes one argument,
* a CompileStep object.
*
* Documentation for CompileStep is available [on the GitHub Wiki](https://github.com/meteor/meteor/wiki/CompileStep-API-for-Build-Plugin-Source-Handlers).
* @memberOf Plugin
* @locus Build Plugin
*/
registerSourceHandler: function (extension, options, handler) {
if (!handler) {
handler = options;
options = {};
}
if (_.has(self.sourceHandlers, extension)) {
buildmessage.error("duplicate handler for '*." +
extension + "'; may only have one per Plugin",
{ useMyCaller: true });
// recover by ignoring all but the first
return;
}
self.sourceHandlers[extension] = {
handler: handler,
isTemplate: !!options.isTemplate,
archMatching: options.archMatching
};
}
};
self.sourceHandlers = {};
_.each(self.plugins, function (pluginsByArch, name) {
var arch = archinfo.mostSpecificMatch(
archinfo.host(), _.keys(pluginsByArch));
if (! arch) {
buildmessage.error("package `" + name + "` is built for incompatible " +
"architecture");
// Recover by ignoring plugin
// XXX does this recovery work?
return;
}
var plugin = pluginsByArch[arch];
buildmessage.enterJob({
title: "loading plugin `" + name +
"` from package `" + self.name + "`"
// don't necessarily have rootPath anymore
// (XXX we do, if the isopack was locally built, which is
// the important case for debugging. it'd be nice to get this
// case right.)
}, function () {
plugin.load({ Plugin: Plugin });
});
});
self._pluginsInitialized = true;
},
// Load a Isopack on disk.
//
// options:
// - isopackBuildInfoJson: parsed isopack-buildinfo.json object,
// if loading from an IsopackCache.
initFromPath: function (name, dir, options) {
var self = this;
options = _.clone(options || {});
options.firstIsopack = true;
return self._loadUnibuildsFromPath(name, dir, options);
},
_loadUnibuildsFromPath: function (name, dir, options) {
var self = this;
options = options || {};
// In the tropohouse, isopack paths are symlinks (which can be updated if
// more unibuilds are merged in). For any given call to
// _loadUnibuildsFromPath, let's ensure we see a consistent isopack by
// realpath'ing dir.
dir = fs.realpathSync(dir);
var mainJson;
// deal with different versions of "isopack.json", backwards compatible
var isopackJsonPath = path.join(dir, "isopack.json");
if (fs.existsSync(isopackJsonPath)) {
var isopackJson = JSON.parse(fs.readFileSync(isopackJsonPath));
if (isopackJson[currentFormat]) {
mainJson = isopackJson[currentFormat];
} else {
// This file is from the future and no longer supports this version
throw new Error("Could not find isopack data with format " + currentFormat + ".\n" +
"This isopack was likely built with a much newer version of Meteor.");
}
} else {
// super old version with different file name
// XXX COMPAT WITH 0.9.3
var unipackageJsonPath = path.join(dir, "unipackage.json");
if (fs.existsSync(unipackageJsonPath)) {
mainJson = JSON.parse(fs.readFileSync(unipackageJsonPath));
// in the old format, builds were called unibuilds
// use string to make sure this doesn't get caught in a find/replace
mainJson.builds = mainJson["unibuilds"];
mainJson = convertIsopackFormat(mainJson,
"unipackage-pre2", currentFormat);
}
if (mainJson.format !== "unipackage-pre2") {
// We don't support pre-0.9.0 isopacks, but we do know enough to delete
// them if we find them in an isopack cache somehow (rather than crash).
if (mainJson.format === "unipackage-pre1") {
throw new exports.OldIsopackFormatError();
}
throw new Error("Unsupported isopack format: " +
JSON.stringify(mainJson.format));
}
}
// done dealing with different versions, below here
// mainJson is the data we want
// isopacks didn't used to know their name, but they should.
if (_.has(mainJson, 'name') && name !== mainJson.name) {
throw new Error("isopack " + name + " thinks its name is " +
mainJson.name);
}
// If we're loading from an IsopackCache, we need to load the WatchSets
// which will be used by the bundler. (pluginProviderPackageMap and builtBy
// are only used by IsopackCache._checkUpToDate.)
var unibuildWatchSets = {};
if (options.isopackBuildInfoJson) {
if (! options.firstIsopack)
throw Error("can't merge isopacks with buildinfo");
// XXX should comprehensively sanitize (eg, typecheck) everything
// read from json files
// Read the watch sets for each unibuild
_.each(
options.isopackBuildInfoJson.unibuildDependencies,
function (watchSetJSON, unibuildTag) {
unibuildWatchSets[unibuildTag] =
watch.WatchSet.fromJSON(watchSetJSON);
});
// Read pluginWatchSet. (In the multi-sub-isopack case, these are
// guaranteed to be trivial (since we check that there's no
// isopackBuildInfoJson), so no need to merge.)
self.pluginWatchSet = watch.WatchSet.fromJSON(
options.isopackBuildInfoJson.pluginDependencies);
}
// If we are loading multiple isopacks, only take this stuff from the
// first one.
if (options.firstIsopack) {
self.name = name;
self.metadata = {
summary: mainJson.summary
};
self.version = mainJson.version;
self.isTest = mainJson.isTest;
self.debugOnly = !!mainJson.debugOnly;
}
_.each(mainJson.plugins, function (pluginMeta) {
rejectBadPath(pluginMeta.path);
var plugin = bundler.readJsImage(path.join(dir, pluginMeta.path));
if (!_.has(self.plugins, pluginMeta.name)) {
self.plugins[pluginMeta.name] = {};
}
// If we already loaded a plugin of this name/arch, just ignore this one.
if (!_.has(self.plugins[pluginMeta.name], plugin.arch)) {
self.plugins[pluginMeta.name][plugin.arch] = plugin;
}
});
self.pluginsBuilt = true;
_.each(mainJson.builds, function (unibuildMeta) {
// aggressively sanitize path (don't let it escape to parent
// directory)
rejectBadPath(unibuildMeta.path);
// Skip unibuilds we already have.
var alreadyHaveUnibuild = _.find(self.unibuilds, function (unibuild) {
return unibuild.arch === unibuildMeta.arch;
});
if (alreadyHaveUnibuild)
return;
var unibuildJson = JSON.parse(
fs.readFileSync(path.join(dir, unibuildMeta.path)));
var unibuildBasePath = path.dirname(path.join(dir, unibuildMeta.path));
if (unibuildJson.format !== "unipackage-unibuild-pre1")
throw new Error("Unsupported isopack unibuild format: " +
JSON.stringify(unibuildJson.format));
var nodeModulesPath = null;
if (unibuildJson.node_modules) {
rejectBadPath(unibuildJson.node_modules);
nodeModulesPath = path.join(unibuildBasePath, unibuildJson.node_modules);
}
var prelinkFiles = [];
var resources = [];
_.each(unibuildJson.resources, function (resource) {
rejectBadPath(resource.file);
var data = new Buffer(resource.length);
// Read the data from disk, if it is non-empty. Avoid doing IO for empty
// files, because (a) unnecessary and (b) fs.readSync with length 0
// throws instead of acting like POSIX read:
// https://github.com/joyent/node/issues/5685
if (resource.length > 0) {
var fd = fs.openSync(path.join(unibuildBasePath, resource.file), "r");
try {
var count = fs.readSync(
fd, data, 0, resource.length, resource.offset);
} finally {
fs.closeSync(fd);
}
if (count !== resource.length)
throw new Error("couldn't read entire resource");
}
if (resource.type === "prelink") {
var prelinkFile = {
source: data.toString('utf8'),
servePath: resource.servePath
};
if (resource.sourceMap) {
rejectBadPath(resource.sourceMap);
prelinkFile.sourceMap = fs.readFileSync(
path.join(unibuildBasePath, resource.sourceMap), 'utf8');
}
prelinkFiles.push(prelinkFile);
} else if (_.contains(["head", "body", "css", "js", "asset"],
resource.type)) {
resources.push({
type: resource.type,
data: data,
servePath: resource.servePath || undefined,
path: resource.path || undefined
});
} else
throw new Error("bad resource type in isopack: " +
JSON.stringify(resource.type));
});
self.unibuilds.push(new Unibuild(self, {
// At some point we stopped writing 'kind's to the metadata file, so
// default to main.
kind: unibuildMeta.kind || 'main',
arch: unibuildMeta.arch,
uses: unibuildJson.uses,
implies: unibuildJson.implies,
watchSet: unibuildWatchSets[unibuildMeta.path],
nodeModulesPath: nodeModulesPath,
prelinkFiles: prelinkFiles,
packageVariables: unibuildJson.packageVariables || [],
resources: resources
}));
});
self.cordovaDependencies = mainJson.cordovaDependencies || null;
_.each(mainJson.tools, function (toolMeta) {
toolMeta.rootDir = dir;
// XXX check for overlap
self.toolsOnDisk.push(toolMeta);
});
return true;
},
hasCordovaUnibuild: function () {
var self = this;
return _.any(self.unibuilds, function (unibuild) {
return unibuild.arch === 'web.cordova';
});
},
// options:
//
// - includeIsopackBuildInfo: If set, write an isopack-buildinfo.json file.
saveToPath: function (outputDir, options) {
var self = this;
var outputPath = outputDir;
options = options || {};
var builder = new Builder({ outputPath: outputPath });
try {
var mainJson = {
name: self.name,
summary: self.metadata.summary,
version: self.version,
isTest: self.isTest,
builds: [],
plugins: []
};
if (self.debugOnly) {
mainJson.debugOnly = true;
}
if (! _.isEmpty(self.cordovaDependencies)) {
mainJson.cordovaDependencies = self.cordovaDependencies;
}
var isopackBuildInfoJson = null;
if (options.includeIsopackBuildInfo) {
isopackBuildInfoJson = {
builtBy: compiler.BUILT_BY,
unibuildDependencies: {},
// pluginDependencies defines a WatchSet that any package that could
// use this package as a plugin needs to watch. So it always contains
// our package.js (because modifications to package.js could add a new
// plugin), as well as any files making up plugins in our package.
pluginDependencies: self.pluginWatchSet.toJSON(),
pluginProviderPackageMap: self.pluginProviderPackageMap.toJSON(),
includeCordovaUnibuild: self.hasCordovaUnibuild()
};
}
// XXX COMPAT WITH 0.9.3
builder.reserve("unipackage.json");
builder.reserve("isopack.json");
// Reserve this even if includeIsopackBuildInfo is not set, to ensure
// nothing else writes it somehow.
builder.reserve("isopack-buildinfo.json");
builder.reserve("head");
builder.reserve("body");
// Map from absolute path to npm directory in the unibuild, to the
// generated filename in the isopack we're writing. Multiple builds
// can use the same npm modules (though maybe not any more, since tests
// have been separated?), but also there can be different sets of
// directories as well (eg, for a isopack merged with from multiple
// isopacks with _loadUnibuildsFromPath).
var npmDirectories = {};
// Pre-linker versions of Meteor expect all packages in the warehouse to
// contain a file called "package.js"; they use this as part of deciding
// whether or not they need to download a new package. Because packages
// are downloaded by the *existing* version of the tools, we need to
// include this file until we're comfortable breaking "meteor update" from
// 0.6.4. (Specifically, warehouse.packageExistsInWarehouse used to check
// to see if package.js exists instead of just looking for the package
// directory.)
// XXX Remove this once we can.
builder.write("package.js", {
data: new Buffer(
("// This file is included for compatibility with the Meteor " +
"0.6.4 package downloader.\n"),
"utf8")
});
// Unibuilds
_.each(self.unibuilds, function (unibuild) {
// Make up a filename for this unibuild
var baseUnibuildName = unibuild.arch;
var unibuildDir =
builder.generateFilename(baseUnibuildName, { directory: true });
var unibuildJsonFile =
builder.generateFilename(baseUnibuildName + ".json");
mainJson.builds.push({
kind: unibuild.kind,
arch: unibuild.arch,
path: unibuildJsonFile
});
// Save unibuild dependencies. Keyed by the json path rather than thinking
// too hard about how to encode pair (name, arch).
if (isopackBuildInfoJson) {
isopackBuildInfoJson.unibuildDependencies[unibuildJsonFile] =
unibuild.watchSet.toJSON();
}
// Figure out where the npm dependencies go.
var nodeModulesPath = undefined;
var needToCopyNodeModules = false;
if (unibuild.nodeModulesPath) {
if (_.has(npmDirectories, unibuild.nodeModulesPath)) {
// We already have this npm directory from another unibuild.
nodeModulesPath = npmDirectories[unibuild.nodeModulesPath];
} else {
// It's important not to put node_modules at the top level of the
// isopack, so that it is not visible from within plugins.
nodeModulesPath = npmDirectories[unibuild.nodeModulesPath] =
builder.generateFilename("npm/node_modules", {directory: true});
needToCopyNodeModules = true;
}
}
// Construct unibuild metadata
var unibuildJson = {
format: "unipackage-unibuild-pre1",
packageVariables: unibuild.packageVariables,
uses: _.map(unibuild.uses, function (u) {
return {
'package': u.package,
// For cosmetic value, leave false values for these options out of
// the JSON file.
constraint: u.constraint || undefined,
unordered: u.unordered || undefined,
weak: u.weak || undefined
};
}),
implies: (_.isEmpty(unibuild.implies) ? undefined : unibuild.implies),
node_modules: nodeModulesPath,
resources: []
};
// Output 'head', 'body' resources nicely
var concat = { head: [], body: [] };
var offset = { head: 0, body: 0 };
_.each(unibuild.resources, function (resource) {
if (_.contains(["head", "body"], resource.type)) {
if (concat[resource.type].length) {
concat[resource.type].push(new Buffer("\n", "utf8"));
offset[resource.type]++;
}
if (! (resource.data instanceof Buffer))
throw new Error("Resource data must be a Buffer");
unibuildJson.resources.push({
type: resource.type,
file: path.join(unibuildDir, resource.type),
length: resource.data.length,
offset: offset[resource.type]
});
concat[resource.type].push(resource.data);
offset[resource.type] += resource.data.length;
}
});
_.each(concat, function (parts, type) {
if (parts.length) {
builder.write(path.join(unibuildDir, type), {
data: Buffer.concat(concat[type], offset[type])
});
}
});
// Output other resources each to their own file
_.each(unibuild.resources, function (resource) {
if (_.contains(["head", "body"], resource.type))
return; // already did this one
unibuildJson.resources.push({
type: resource.type,
file: builder.writeToGeneratedFilename(
path.join(unibuildDir, resource.servePath),
{ data: resource.data }),
length: resource.data.length,
offset: 0,
servePath: resource.servePath || undefined,
path: resource.path || undefined
});
});
// Output prelink resources
_.each(unibuild.prelinkFiles, function (file) {
var data = new Buffer(file.source, 'utf8');
var resource = {
type: 'prelink',
file: builder.writeToGeneratedFilename(
path.join(unibuildDir, file.servePath),
{ data: data }),
length: data.length,
offset: 0,
servePath: file.servePath || undefined
};
if (file.sourceMap) {
// Write the source map.
resource.sourceMap = builder.writeToGeneratedFilename(
path.join(unibuildDir, file.servePath + '.map'),
{ data: new Buffer(file.sourceMap, 'utf8') }
);
}
unibuildJson.resources.push(resource);
});
// If unibuild has included node_modules, copy them in
if (needToCopyNodeModules) {
builder.copyDirectory({
from: unibuild.nodeModulesPath,
to: nodeModulesPath,
npmDiscards: self.npmDiscards
});
}
// Control file for unibuild
builder.writeJson(unibuildJsonFile, unibuildJson);
});
// Plugins
_.each(self.plugins, function (pluginsByArch, name) {
_.each(pluginsByArch, function (plugin) {
var pluginDir =
builder.generateFilename('plugin.' + name + '.' + plugin.arch,
{ directory: true });
var relPath = plugin.write(builder.enter(pluginDir));
mainJson.plugins.push({
name: name,
arch: plugin.arch,
path: path.join(pluginDir, relPath)
});
});
});
// Tools
// First, are we supposed to include our own source as a tool?
if (self.includeTool) {
var toolsJson = self._writeTool(builder);
mainJson.tools = toolsJson;
}
// Next, what about other tools we may be merging from other isopacks?
// XXX check for overlap
_.each(self.toolsOnDisk, function (toolMeta) {
toolMeta = _.clone(toolMeta);
var rootDir = toolMeta.rootDir;
delete toolMeta.rootDir;
builder.copyDirectory({
from: path.join(rootDir, toolMeta.path),
to: toolMeta.path
});
if (!mainJson.tools) {
mainJson.tools = [];
}
mainJson.tools.push(toolMeta);
});
// old unipackage.json format/filename
// XXX COMPAT WITH 0.9.3
builder.writeJson("unipackage.json",
convertIsopackFormat(mainJson, currentFormat, "unipackage-pre2"));
// write several versions of the file
// add your new format here, and define some stuff
// in convertIsopackFormat
var formats = ["isopack-1"];
var isopackJson = {};
_.each(formats, function (format) {
// new, extensible format - forwards-compatible
isopackJson[format] = convertIsopackFormat(mainJson,
currentFormat, format);
});
// writes one file with all of the new formats, so that it is possible
// to invent a new format and have old versions of meteor still read the
// old format
//
// This looks something like:
// {
// isopack-1: {... data ...},
// isopack-2: {... data ...}
// }
builder.writeJson("isopack.json", isopackJson);
if (isopackBuildInfoJson) {
builder.writeJson("isopack-buildinfo.json", isopackBuildInfoJson);
}
builder.complete();
} catch (e) {
builder.abort();
throw e;
}
},
_writeTool: function (builder) {
var self = this;
var pathsToCopy = files.runGitInCheckout(
'ls-tree',
'-r', // recursive
'--name-only',
'--full-tree',
'HEAD',
// The actual trees to copy!
'tools', 'examples', 'LICENSE.txt', 'meteor',
'scripts/admin/launch-meteor');
// Trim blank line and unnecessary examples.
pathsToCopy = _.filter(pathsToCopy.split('\n'), function (f) {
return f && !f.match(/^examples\/other/) &&
!f.match(/^examples\/unfinished/);
});
var gitSha = files.runGitInCheckout('rev-parse', 'HEAD');
var toolPath = 'meteor-tool-' + archinfo.host();
builder = builder.enter(toolPath);
builder.reserve('isopackets', {directory: true});
builder.write('.git_version.txt', {data: new Buffer(gitSha, 'utf8')});
builder.copyDirectory({
from: files.getCurrentToolsDir(),
to: '',
specificFiles: pathsToCopy
});
// Include the dev bundle, but drop a few things that are only used by
// self-test (which isn't supported from release).
var devBundleIgnore = _.clone(bundler.ignoreFiles);
devBundleIgnore.push(/BrowserStackLocal/, /browserstack-webdriver/);
builder.copyDirectory({
from: path.join(files.getDevBundle()),
to: 'dev_bundle',
ignore: devBundleIgnore
});
// Build all of the isopackets now, so that no build step is required when
// you're actually running meteor from a release in order to load packages.
var isopacketBuildContext = isopackets.makeIsopacketBuildContext();
var messages = buildmessage.capture(function () {
// We rebuild them in the order listed in ISOPACKETS. This is not strictly
// necessary here, since any isopackets loaded as part of the build
// process are going to be the current tool's isopackets, not the
// isopackets that we're writing out.
_.each(isopackets.ISOPACKETS, function (packages, isopacketName) {
buildmessage.enterJob({
title: "compiling " + isopacketName + " packages for the tool"
}, function () {
isopacketBuildContext.isopackCache.buildLocalPackages(packages);
if (buildmessage.jobHasMessages())
return;
var image = bundler.buildJsImage({
name: "isopacket-" + isopacketName,
packageMap: isopacketBuildContext.packageMap,
isopackCache: isopacketBuildContext.isopackCache,
use: packages
}).image;
if (buildmessage.jobHasMessages())
return;
image.write(builder.enter(path.join('isopackets', isopacketName)));
});
});
});
// This is a build step ... but it's one that only happens in development,
// and similar to a isopacket load failure, it can just crash the app
// instead of being handled nicely.
if (messages.hasMessages()) {
Console.error("Errors prevented tool build:");
Console.error(messages.formatMessages());
throw new Error("tool build failed?");
}
return [{
name: 'meteor',
arch: archinfo.host(),
path: toolPath
}];
},
getMergedWatchSet: function () {
var self = this;
var watchSet = self.pluginWatchSet.clone();
_.each(self.unibuilds, function (unibuild) {
watchSet.merge(unibuild.watchSet);
});
return watchSet;
},
// Similar to PackageSource.getPackagesToLoadFirst.
getStrongOrderedUsedAndImpliedPackages: function () {
var self = this;
var packages = {};
var processUse = function (use) {
if (use.weak || use.unordered)
return;
packages[use.package] = true;
};
_.each(self.unibuilds, function (unibuild) {
_.each(unibuild.uses, processUse);
_.each(unibuild.implies, processUse);
});
return _.keys(packages);
}
});
exports.Isopack = Isopack;
exports.OldIsopackFormatError = function () {
// This should always be caught anywhere where it can appear (ie, anywhere
// that isn't definitely loading something from the tropohouse).
this.toString = function () { return "old isopack format!" };
};