| // npm install <pkg> <pkg> <pkg> |
| // |
| // See doc/install.md for more description |
| |
| // Managing contexts... |
| // there's a lot of state associated with an "install" operation, including |
| // packages that are already installed, parent packages, current shrinkwrap, and |
| // so on. We maintain this state in a "context" object that gets passed around. |
| // every time we dive into a deeper node_modules folder, the "family" list that |
| // gets passed along uses the previous "family" list as its __proto__. Any |
| // "resolved precise dependency" things that aren't already on this object get |
| // added, and then that's passed to the next generation of installation. |
| |
| module.exports = install |
| |
| install.usage = "npm install" |
| + "\nnpm install <pkg>" |
| + "\nnpm install <pkg>@<tag>" |
| + "\nnpm install <pkg>@<version>" |
| + "\nnpm install <pkg>@<version range>" |
| + "\nnpm install <folder>" |
| + "\nnpm install <tarball file>" |
| + "\nnpm install <tarball url>" |
| + "\nnpm install <git:// url>" |
| + "\nnpm install <github username>/<github project>" |
| + "\n\nCan specify one or more: npm install ./foo.tgz bar@stable /some/folder" |
| + "\nIf no argument is supplied and ./npm-shrinkwrap.json is " |
| + "\npresent, installs dependencies specified in the shrinkwrap." |
| + "\nOtherwise, installs dependencies from ./package.json." |
| |
| install.completion = function (opts, cb) { |
| // install can complete to a folder with a package.json, or any package. |
| // if it has a slash, then it's gotta be a folder |
| // if it starts with https?://, then just give up, because it's a url |
| // for now, not yet implemented. |
| var registry = npm.registry |
| registry.get("/-/short", function (er, pkgs) { |
| if (er) return cb() |
| if (!opts.partialWord) return cb(null, pkgs) |
| |
| var name = opts.partialWord.split("@").shift() |
| pkgs = pkgs.filter(function (p) { |
| return p.indexOf(name) === 0 |
| }) |
| |
| if (pkgs.length !== 1 && opts.partialWord === name) { |
| return cb(null, pkgs) |
| } |
| |
| registry.get(pkgs[0], function (er, d) { |
| if (er) return cb() |
| return cb(null, Object.keys(d["dist-tags"] || {}) |
| .concat(Object.keys(d.versions || {})) |
| .map(function (t) { |
| return pkgs[0] + "@" + t |
| })) |
| }) |
| }) |
| } |
| |
| var npm = require("./npm.js") |
| , semver = require("semver") |
| , readJson = require("read-package-json") |
| , readInstalled = require("read-installed") |
| , log = require("npmlog") |
| , path = require("path") |
| , fs = require("graceful-fs") |
| , cache = require("./cache.js") |
| , asyncMap = require("slide").asyncMap |
| , chain = require("slide").chain |
| , url = require("url") |
| , mkdir = require("mkdirp") |
| , lifecycle = require("./utils/lifecycle.js") |
| , archy = require("archy") |
| , isGitUrl = require("./utils/is-git-url.js") |
| |
| function install (args, cb_) { |
| var hasArguments = !!args.length |
| |
| function cb (er, installed) { |
| if (er) return cb_(er) |
| |
| findPeerInvalid(where, function (er, problem) { |
| if (er) return cb_(er) |
| |
| if (problem) { |
| var peerInvalidError = new Error("The package " + problem.name + |
| " does not satisfy its siblings' peerDependencies requirements!") |
| peerInvalidError.code = "EPEERINVALID" |
| peerInvalidError.packageName = problem.name |
| peerInvalidError.peersDepending = problem.peersDepending |
| return cb(peerInvalidError) |
| } |
| |
| var tree = treeify(installed || []) |
| , pretty = prettify(tree, installed).trim() |
| |
| if (pretty) console.log(pretty) |
| save(where, installed, tree, pretty, hasArguments, cb_) |
| }) |
| } |
| |
| // the /path/to/node_modules/.. |
| var where = path.resolve(npm.dir, "..") |
| |
| // internal api: install(where, what, cb) |
| if (arguments.length === 3) { |
| where = args |
| args = [].concat(cb_) // pass in [] to do default dep-install |
| cb_ = arguments[2] |
| log.verbose("install", "where,what", [where, args]) |
| } |
| |
| if (!npm.config.get("global")) { |
| args = args.filter(function (a) { |
| return path.resolve(a) !== where |
| }) |
| } |
| |
| mkdir(where, function (er, made) { |
| if (er) return cb(er) |
| // install dependencies locally by default, |
| // or install current folder globally |
| if (!args.length) { |
| var opt = { dev: npm.config.get("dev") || !npm.config.get("production") } |
| |
| if (npm.config.get("global")) args = ["."] |
| else return readDependencies(null, where, opt, function (er, data) { |
| if (er) { |
| log.error("install", "Couldn't read dependencies") |
| return cb(er) |
| } |
| var deps = Object.keys(data.dependencies || {}) |
| log.verbose("install", "where, deps", [where, deps]) |
| var context = { family: {} |
| , ancestors: {} |
| , explicit: false |
| , parent: data |
| , root: true |
| , wrap: null } |
| |
| if (data.name === path.basename(where) && |
| path.basename(path.dirname(where)) === "node_modules") { |
| // Only include in ancestry if it can actually be required. |
| // Otherwise, it does not count. |
| context.family[data.name] = |
| context.ancestors[data.name] = data.version |
| } |
| |
| installManyTop(deps.map(function (dep) { |
| var target = data.dependencies[dep] |
| , parsed = url.parse(target.replace(/^git\+/, "git")) |
| target = dep + "@" + target |
| return target |
| }), where, context, function(er, results) { |
| if (er) return cb(er, results) |
| lifecycle(data, "prepublish", where, function(er) { |
| return cb(er, results) |
| }) |
| }) |
| }) |
| } |
| |
| // initial "family" is the name:version of the root, if it's got |
| // a package.json file. |
| var jsonFile = path.resolve(where, "package.json") |
| readJson(jsonFile, log.warn, function (er, data) { |
| if (er |
| && er.code !== "ENOENT" |
| && er.code !== "ENOTDIR") return cb(er) |
| if (er) data = null |
| var context = { family: {} |
| , ancestors: {} |
| , explicit: true |
| , parent: data |
| , root: true |
| , wrap: null } |
| if (data) { |
| context.family[data.name] = context.ancestors[data.name] = data.version |
| } |
| var fn = npm.config.get("global") ? installMany : installManyTop |
| fn(args, where, context, cb) |
| }) |
| }) |
| } |
| |
| function findPeerInvalid (where, cb) { |
| readInstalled(where, log.warn, function (er, data) { |
| if (er) return cb(er) |
| |
| cb(null, findPeerInvalid_(data.dependencies, [])) |
| }) |
| } |
| |
| function findPeerInvalid_ (packageMap, fpiList) { |
| if (fpiList.indexOf(packageMap) !== -1) |
| return |
| |
| fpiList.push(packageMap) |
| |
| for (var packageName in packageMap) { |
| var pkg = packageMap[packageName] |
| |
| if (pkg.peerInvalid) { |
| var peersDepending = {}; |
| for (peerName in packageMap) { |
| var peer = packageMap[peerName] |
| if (peer.peerDependencies && peer.peerDependencies[packageName]) { |
| peersDepending[peer.name + "@" + peer.version] = |
| peer.peerDependencies[packageName] |
| } |
| } |
| return { name: pkg.name, peersDepending: peersDepending } |
| } |
| |
| if (pkg.dependencies) { |
| var invalid = findPeerInvalid_(pkg.dependencies, fpiList) |
| if (invalid) |
| return invalid |
| } |
| } |
| |
| return null |
| } |
| |
| // reads dependencies for the package at "where". There are several cases, |
| // depending on our current state and the package's configuration: |
| // |
| // 1. If "context" is specified, then we examine the context to see if there's a |
| // shrinkwrap there. In that case, dependencies are read from the shrinkwrap. |
| // 2. Otherwise, if an npm-shrinkwrap.json file is present, dependencies are |
| // read from there. |
| // 3. Otherwise, dependencies come from package.json. |
| // |
| // Regardless of which case we fall into, "cb" is invoked with a first argument |
| // describing the full package (as though readJson had been used) but with |
| // "dependencies" read as described above. The second argument to "cb" is the |
| // shrinkwrap to use in processing this package's dependencies, which may be |
| // "wrap" (in case 1) or a new shrinkwrap (in case 2). |
| function readDependencies (context, where, opts, cb) { |
| var wrap = context ? context.wrap : null |
| |
| readJson( path.resolve(where, "package.json") |
| , log.warn |
| , function (er, data) { |
| if (er && er.code === "ENOENT") er.code = "ENOPACKAGEJSON" |
| if (er) return cb(er) |
| |
| if (opts && opts.dev) { |
| if (!data.dependencies) data.dependencies = {} |
| Object.keys(data.devDependencies || {}).forEach(function (k) { |
| data.dependencies[k] = data.devDependencies[k] |
| }) |
| } |
| |
| if (!npm.config.get("optional") && data.optionalDependencies) { |
| Object.keys(data.optionalDependencies).forEach(function (d) { |
| delete data.dependencies[d] |
| }) |
| } |
| |
| // User has opted out of shrinkwraps entirely |
| if (npm.config.get("shrinkwrap") === false) |
| return cb(null, data, null) |
| |
| if (wrap) { |
| log.verbose("readDependencies: using existing wrap", [where, wrap]) |
| var rv = {} |
| Object.keys(data).forEach(function (key) { |
| rv[key] = data[key] |
| }) |
| rv.dependencies = {} |
| Object.keys(wrap).forEach(function (key) { |
| log.verbose("from wrap", [key, wrap[key]]) |
| rv.dependencies[key] = readWrap(wrap[key]) |
| }) |
| log.verbose("readDependencies returned deps", rv.dependencies) |
| return cb(null, rv, wrap) |
| } |
| |
| var wrapfile = path.resolve(where, "npm-shrinkwrap.json") |
| |
| fs.readFile(wrapfile, "utf8", function (er, wrapjson) { |
| if (er) { |
| log.verbose("readDependencies", "using package.json deps") |
| return cb(null, data, null) |
| } |
| |
| try { |
| var newwrap = JSON.parse(wrapjson) |
| } catch (ex) { |
| return cb(ex) |
| } |
| |
| log.info("shrinkwrap", "file %j", wrapfile) |
| var rv = {} |
| Object.keys(data).forEach(function (key) { |
| rv[key] = data[key] |
| }) |
| rv.dependencies = {} |
| Object.keys(newwrap.dependencies || {}).forEach(function (key) { |
| rv.dependencies[key] = readWrap(newwrap.dependencies[key]) |
| }) |
| |
| // fold in devDependencies if not already present, at top level |
| if (opts && opts.dev) { |
| Object.keys(data.devDependencies || {}).forEach(function (k) { |
| rv.dependencies[k] = rv.dependencies[k] || data.devDependencies[k] |
| }) |
| } |
| |
| log.verbose("readDependencies returned deps", rv.dependencies) |
| return cb(null, rv, newwrap.dependencies) |
| }) |
| }) |
| } |
| |
| function readWrap (w) { |
| return (w.resolved) ? w.resolved |
| : (w.from && url.parse(w.from).protocol) ? w.from |
| : w.version |
| } |
| |
| // if the -S|--save option is specified, then write installed packages |
| // as dependencies to a package.json file. |
| // This is experimental. |
| function save (where, installed, tree, pretty, hasArguments, cb) { |
| if (!hasArguments || |
| !npm.config.get("save") && |
| !npm.config.get("save-dev") && |
| !npm.config.get("save-optional") || |
| npm.config.get("global")) { |
| return cb(null, installed, tree, pretty) |
| } |
| |
| var saveBundle = npm.config.get('save-bundle') |
| |
| // each item in the tree is a top-level thing that should be saved |
| // to the package.json file. |
| // The relevant tree shape is { <folder>: {what:<pkg>} } |
| var saveTarget = path.resolve(where, "package.json") |
| , things = Object.keys(tree).map(function (k) { |
| // if "what" was a url, then save that instead. |
| var t = tree[k] |
| , u = url.parse(t.from) |
| , w = t.what.split("@") |
| if (u && u.protocol) w[1] = t.from |
| return w |
| }).reduce(function (set, k) { |
| var rangeDescriptor = semver.valid(k[1], true) && |
| semver.gte(k[1], "0.1.0", true) |
| ? "~" : "" |
| set[k[0]] = rangeDescriptor + k[1] |
| return set |
| }, {}) |
| |
| // don't use readJson, because we don't want to do all the other |
| // tricky npm-specific stuff that's in there. |
| fs.readFile(saveTarget, function (er, data) { |
| // ignore errors here, just don't save it. |
| try { |
| data = JSON.parse(data.toString("utf8")) |
| } catch (ex) { |
| er = ex |
| } |
| |
| if (er) { |
| return cb(null, installed, tree, pretty) |
| } |
| |
| var deps = npm.config.get("save-optional") ? "optionalDependencies" |
| : npm.config.get("save-dev") ? "devDependencies" |
| : "dependencies" |
| |
| if (saveBundle) { |
| var bundle = data.bundleDependencies || data.bundledDependencies |
| delete data.bundledDependencies |
| if (!Array.isArray(bundle)) bundle = [] |
| data.bundleDependencies = bundle |
| } |
| |
| log.verbose('saving', things) |
| data[deps] = data[deps] || {} |
| Object.keys(things).forEach(function (t) { |
| data[deps][t] = things[t] |
| if (saveBundle) { |
| var i = bundle.indexOf(t) |
| if (i === -1) bundle.push(t) |
| } |
| }) |
| |
| data = JSON.stringify(data, null, 2) + "\n" |
| fs.writeFile(saveTarget, data, function (er) { |
| cb(er, installed, tree, pretty) |
| }) |
| }) |
| } |
| |
| |
| // Outputting *all* the installed modules is a bit confusing, |
| // because the length of the path does not make it clear |
| // that the submodules are not immediately require()able. |
| // TODO: Show the complete tree, ls-style, but only if --long is provided |
| function prettify (tree, installed) { |
| if (npm.config.get("json")) { |
| function red (set, kv) { |
| set[kv[0]] = kv[1] |
| return set |
| } |
| |
| tree = Object.keys(tree).map(function (p) { |
| if (!tree[p]) return null |
| var what = tree[p].what.split("@") |
| , name = what.shift() |
| , version = what.join("@") |
| , o = { name: name, version: version, from: tree[p].from } |
| o.dependencies = tree[p].children.map(function P (dep) { |
| var what = dep.what.split("@") |
| , name = what.shift() |
| , version = what.join("@") |
| , o = { version: version, from: dep.from } |
| o.dependencies = dep.children.map(P).reduce(red, {}) |
| return [name, o] |
| }).reduce(red, {}) |
| return o |
| }) |
| |
| return JSON.stringify(tree, null, 2) |
| } |
| if (npm.config.get("parseable")) return parseable(installed) |
| |
| return Object.keys(tree).map(function (p) { |
| return archy({ label: tree[p].what + " " + p |
| , nodes: (tree[p].children || []).map(function P (c) { |
| if (npm.config.get("long")) { |
| return { label: c.what, nodes: c.children.map(P) } |
| } |
| var g = c.children.map(function (g) { |
| return g.what |
| }).join(", ") |
| if (g) g = " (" + g + ")" |
| return c.what + g |
| }) |
| }) |
| }).join("\n") |
| } |
| |
| function parseable (installed) { |
| var long = npm.config.get("long") |
| , cwd = process.cwd() |
| return installed.map(function (item) { |
| return path.resolve(cwd, item[1]) + |
| ( long ? ":" + item[0] : "" ) |
| }).join("\n") |
| } |
| |
| function treeify (installed) { |
| // each item is [what, where, parent, parentDir] |
| // If no parent, then report it. |
| // otherwise, tack it into the parent's children list. |
| // If the parent isn't a top-level then ignore it. |
| var whatWhere = installed.reduce(function (l, r) { |
| var parentDir = r[3] |
| , parent = r[2] |
| , where = r[1] |
| , what = r[0] |
| , from = r[4] |
| l[where] = { parentDir: parentDir |
| , parent: parent |
| , children: [] |
| , where: where |
| , what: what |
| , from: from } |
| return l |
| }, {}) |
| |
| // log.warn("install", whatWhere, "whatWhere") |
| return Object.keys(whatWhere).reduce(function (l, r) { |
| var ww = whatWhere[r] |
| //log.warn("r, ww", [r, ww]) |
| if (!ww.parent) { |
| l[r] = ww |
| } else { |
| var p = whatWhere[ww.parentDir] |
| if (p) p.children.push(ww) |
| else l[r] = ww |
| } |
| return l |
| }, {}) |
| } |
| |
| |
| // just like installMany, but also add the existing packages in |
| // where/node_modules to the family object. |
| function installManyTop (what, where, context, cb_) { |
| function cb (er, d) { |
| if (context.explicit || er) return cb_(er, d) |
| // since this wasn't an explicit install, let's build the top |
| // folder, so that `npm install` also runs the lifecycle scripts. |
| npm.commands.build([where], false, true, function (er) { |
| return cb_(er, d) |
| }) |
| } |
| |
| if (context.explicit) return next() |
| |
| readJson(path.join(where, "package.json"), log.warn, function (er, data) { |
| if (er) return next(er) |
| lifecycle(data, "preinstall", where, next) |
| }) |
| |
| function next (er) { |
| if (er) return cb(er) |
| installManyTop_(what, where, context, cb) |
| } |
| } |
| |
| function installManyTop_ (what, where, context, cb) { |
| var nm = path.resolve(where, "node_modules") |
| , names = context.explicit |
| ? what.map(function (w) { return w.split(/@/).shift() }) |
| : [] |
| |
| fs.readdir(nm, function (er, pkgs) { |
| if (er) return installMany(what, where, context, cb) |
| pkgs = pkgs.filter(function (p) { |
| return !p.match(/^[\._-]/) |
| }) |
| asyncMap(pkgs.map(function (p) { |
| return path.resolve(nm, p, "package.json") |
| }), function (jsonfile, cb) { |
| readJson(jsonfile, log.warn, function (er, data) { |
| if (er && er.code !== "ENOENT" && er.code !== "ENOTDIR") return cb(er) |
| if (er) return cb(null, []) |
| return cb(null, [[data.name, data.version]]) |
| }) |
| }, function (er, packages) { |
| // if there's nothing in node_modules, then don't freak out. |
| if (er) packages = [] |
| // add all the existing packages to the family list. |
| // however, do not add to the ancestors list. |
| packages.forEach(function (p) { |
| context.family[p[0]] = p[1] |
| }) |
| return installMany(what, where, context, cb) |
| }) |
| }) |
| } |
| |
| function installMany (what, where, context, cb) { |
| // readDependencies takes care of figuring out whether the list of |
| // dependencies we'll iterate below comes from an existing shrinkwrap from a |
| // parent level, a new shrinkwrap at this level, or package.json at this |
| // level, as well as which shrinkwrap (if any) our dependencies should use. |
| var opt = { dev: npm.config.get("dev") } |
| readDependencies(context, where, opt, function (er, data, wrap) { |
| if (er) data = {} |
| |
| var parent = data |
| |
| var d = data.dependencies || {} |
| |
| // if we're explicitly installing "what" into "where", then the shrinkwrap |
| // for "where" doesn't apply. This would be the case if someone were adding |
| // a new package to a shrinkwrapped package. (data.dependencies will not be |
| // used here except to indicate what packages are already present, so |
| // there's no harm in using that.) |
| if (context.explicit) wrap = null |
| |
| // what is a list of things. |
| // resolve each one. |
| asyncMap( what |
| , targetResolver(where, context, d) |
| , function (er, targets) { |
| |
| if (er) return cb(er) |
| |
| // each target will be a data object corresponding |
| // to a package, folder, or whatever that is in the cache now. |
| var newPrev = Object.create(context.family) |
| , newAnc = Object.create(context.ancestors) |
| |
| if (!context.root) { |
| newAnc[data.name] = data.version |
| } |
| targets.forEach(function (t) { |
| newPrev[t.name] = t.version |
| }) |
| log.silly("resolved", targets) |
| targets.filter(function (t) { return t }).forEach(function (t) { |
| log.info("install", "%s into %s", t._id, where) |
| }) |
| asyncMap(targets, function (target, cb) { |
| log.info("installOne", target._id) |
| var wrapData = wrap ? wrap[target.name] : null |
| var newWrap = wrapData && wrapData.dependencies |
| ? wrap[target.name].dependencies || {} |
| : null |
| var newContext = { family: newPrev |
| , ancestors: newAnc |
| , parent: parent |
| , explicit: false |
| , wrap: newWrap } |
| installOne(target, where, newContext, cb) |
| }, cb) |
| }) |
| }) |
| } |
| |
| function targetResolver (where, context, deps) { |
| var alreadyInstalledManually = context.explicit ? [] : null |
| , nm = path.resolve(where, "node_modules") |
| , parent = context.parent |
| , wrap = context.wrap |
| |
| if (!context.explicit) fs.readdir(nm, function (er, inst) { |
| if (er) return alreadyInstalledManually = [] |
| |
| // don't even mess with non-package looking things |
| inst = inst.filter(function (p) { |
| return !p.match(/^[\._-]/) |
| }) |
| |
| asyncMap(inst, function (pkg, cb) { |
| readJson(path.resolve(nm, pkg, "package.json"), log.warn, function (er, d) { |
| if (er && er.code !== "ENOENT" && er.code !== "ENOTDIR") return cb(er) |
| // error means it's not a package, most likely. |
| if (er) return cb(null, []) |
| |
| // if it's a bundled dep, then assume that anything there is valid. |
| // otherwise, make sure that it's a semver match with what we want. |
| var bd = parent.bundleDependencies |
| if (bd && bd.indexOf(d.name) !== -1 || |
| semver.satisfies(d.version, deps[d.name] || "*", true) || |
| deps[d.name] === d._resolved) { |
| return cb(null, d.name) |
| } |
| |
| // something is there, but it's not satisfactory. Clobber it. |
| return cb(null, []) |
| }) |
| }, function (er, inst) { |
| // this is the list of things that are valid and should be ignored. |
| alreadyInstalledManually = inst |
| }) |
| }) |
| |
| var to = 0 |
| return function resolver (what, cb) { |
| if (!alreadyInstalledManually) return setTimeout(function () { |
| resolver(what, cb) |
| }, to++) |
| |
| // now we know what's been installed here manually, |
| // or tampered with in some way that npm doesn't want to overwrite. |
| if (alreadyInstalledManually.indexOf(what.split("@").shift()) !== -1) { |
| log.verbose("already installed", "skipping %s %s", what, where) |
| return cb(null, []) |
| } |
| |
| // check for a version installed higher in the tree. |
| // If installing from a shrinkwrap, it must match exactly. |
| if (context.family[what]) { |
| if (wrap && wrap[what].version === context.family[what]) { |
| log.verbose("shrinkwrap", "use existing", what) |
| return cb(null, []) |
| } |
| } |
| |
| // if it's identical to its parent, then it's probably someone |
| // doing `npm install foo` inside of the foo project. Print |
| // a warning, and skip it. |
| if (parent && parent.name === what && !npm.config.get("force")) { |
| log.warn("install", "Refusing to install %s as a dependency of itself" |
| , what) |
| return cb(null, []) |
| } |
| |
| if (wrap) { |
| var name = what.split(/@/).shift() |
| if (wrap[name]) { |
| var wrapTarget = readWrap(wrap[name]) |
| what = name + "@" + wrapTarget |
| } else { |
| log.verbose("shrinkwrap", "skipping %s (not in shrinkwrap)", what) |
| } |
| } else if (deps[what]) { |
| what = what + "@" + deps[what] |
| } |
| |
| cache.add(what, function (er, data) { |
| if (er && parent && parent.optionalDependencies && |
| parent.optionalDependencies.hasOwnProperty(what.split("@")[0])) { |
| log.warn("optional dep failed, continuing", what) |
| log.verbose("optional dep failed, continuing", [what, er]) |
| return cb(null, []) |
| } |
| |
| // if the target is a git repository, we always want to fetch it |
| var isGit = false |
| , maybeGit = what.split("@").pop() |
| |
| if (maybeGit) |
| isGit = isGitUrl(url.parse(maybeGit)) |
| |
| if (!er && |
| data && |
| !context.explicit && |
| context.family[data.name] === data.version && |
| !npm.config.get("force") && |
| !isGit) { |
| log.info("already installed", data.name + "@" + data.version) |
| return cb(null, []) |
| } |
| |
| if (data && !data._from) data._from = what |
| |
| return cb(er, data || []) |
| }) |
| } |
| } |
| |
| // we've already decided to install this. if anything's in the way, |
| // then uninstall it first. |
| function installOne (target, where, context, cb) { |
| // the --link flag makes this a "link" command if it's at the |
| // the top level. |
| if (where === npm.prefix && npm.config.get("link") |
| && !npm.config.get("global")) { |
| return localLink(target, where, context, cb) |
| } |
| installOne_(target, where, context, function (er, installedWhat) { |
| |
| // check if this one is optional to its parent. |
| if (er && context.parent && context.parent.optionalDependencies && |
| context.parent.optionalDependencies.hasOwnProperty(target.name)) { |
| log.warn("optional dep failed, continuing", target._id) |
| log.verbose("optional dep failed, continuing", [target._id, er]) |
| er = null |
| } |
| |
| cb(er, installedWhat) |
| }) |
| |
| } |
| |
| function localLink (target, where, context, cb) { |
| log.verbose("localLink", target._id) |
| var jsonFile = path.resolve( npm.globalDir, target.name |
| , "package.json" ) |
| , parent = context.parent |
| |
| readJson(jsonFile, log.warn, function (er, data) { |
| if (er && er.code !== "ENOENT" && er.code !== "ENOTDIR") return cb(er) |
| if (er || data._id === target._id) { |
| if (er) { |
| install( path.resolve(npm.globalDir, "..") |
| , target._id |
| , function (er) { |
| if (er) return cb(er, []) |
| thenLink() |
| }) |
| } else thenLink() |
| |
| function thenLink () { |
| npm.commands.link([target.name], function (er, d) { |
| log.silly("localLink", "back from link", [er, d]) |
| cb(er, [resultList(target, where, parent && parent._id)]) |
| }) |
| } |
| |
| } else { |
| log.verbose("localLink", "install locally (no link)", target._id) |
| installOne_(target, where, context, cb) |
| } |
| }) |
| } |
| |
| function resultList (target, where, parentId) { |
| var nm = path.resolve(where, "node_modules") |
| , targetFolder = path.resolve(nm, target.name) |
| , prettyWhere = where |
| |
| if (!npm.config.get("global")) { |
| prettyWhere = path.relative(process.cwd(), where) |
| } |
| |
| if (prettyWhere === ".") prettyWhere = null |
| |
| if (!npm.config.get("global")) { |
| // print out the folder relative to where we are right now. |
| targetFolder = path.relative(process.cwd(), targetFolder) |
| } |
| |
| return [ target._id |
| , targetFolder |
| , prettyWhere && parentId |
| , parentId && prettyWhere |
| , target._from ] |
| } |
| |
| // name => install locations |
| var installOnesInProgress = Object.create(null) |
| |
| function isIncompatibleInstallOneInProgress(target, where) { |
| return target.name in installOnesInProgress && |
| installOnesInProgress[target.name].indexOf(where) !== -1 |
| } |
| |
| function installOne_ (target, where, context, cb) { |
| var nm = path.resolve(where, "node_modules") |
| , targetFolder = path.resolve(nm, target.name) |
| , prettyWhere = path.relative(process.cwd(), where) |
| , parent = context.parent |
| |
| if (prettyWhere === ".") prettyWhere = null |
| |
| if (isIncompatibleInstallOneInProgress(target, where)) { |
| var prettyTarget = path.relative(process.cwd(), targetFolder) |
| |
| // just call back, with no error. the error will be detected in the |
| // final check for peer-invalid dependencies |
| return cb() |
| } |
| |
| if (!(target.name in installOnesInProgress)) { |
| installOnesInProgress[target.name] = [] |
| } |
| installOnesInProgress[target.name].push(where) |
| var indexOfIOIP = installOnesInProgress[target.name].length - 1 |
| |
| chain |
| ( [ [checkEngine, target] |
| , [checkPlatform, target] |
| , [checkCycle, target, context.ancestors] |
| , [checkGit, targetFolder] |
| , [write, target, targetFolder, context] ] |
| , function (er, d) { |
| installOnesInProgress[target.name].splice(indexOfIOIP, 1) |
| |
| if (er) return cb(er) |
| |
| d.push(resultList(target, where, parent && parent._id)) |
| cb(er, d) |
| } |
| ) |
| } |
| |
| function checkEngine (target, cb) { |
| var npmv = npm.version |
| , force = npm.config.get("force") |
| , nodev = force ? null : npm.config.get("node-version") |
| , strict = npm.config.get("engine-strict") || target.engineStrict |
| , eng = target.engines |
| if (!eng) return cb() |
| if (nodev && eng.node && !semver.satisfies(nodev, eng.node) |
| || eng.npm && !semver.satisfies(npmv, eng.npm)) { |
| if (strict) { |
| var er = new Error("Unsupported") |
| er.code = "ENOTSUP" |
| er.required = eng |
| er.pkgid = target._id |
| return cb(er) |
| } else { |
| log.warn( "engine", "%s: wanted: %j (current: %j)" |
| , target._id, eng, {node: nodev, npm: npm.version} ) |
| } |
| } |
| return cb() |
| } |
| |
| function checkPlatform (target, cb) { |
| var platform = process.platform |
| , arch = process.arch |
| , osOk = true |
| , cpuOk = true |
| , force = npm.config.get("force") |
| |
| if (force) { |
| return cb() |
| } |
| |
| if (target.os) { |
| osOk = checkList(platform, target.os) |
| } |
| if (target.cpu) { |
| cpuOk = checkList(arch, target.cpu) |
| } |
| if (!osOk || !cpuOk) { |
| var er = new Error("Unsupported") |
| er.code = "EBADPLATFORM" |
| er.os = target.os || ['any'] |
| er.cpu = target.cpu || ['any'] |
| er.pkgid = target._id |
| return cb(er) |
| } |
| return cb() |
| } |
| |
| function checkList (value, list) { |
| var tmp |
| , match = false |
| , blc = 0 |
| if (typeof list === "string") { |
| list = [list] |
| } |
| if (list.length === 1 && list[0] === "any") { |
| return true |
| } |
| for (var i = 0; i < list.length; ++i) { |
| tmp = list[i] |
| if (tmp[0] === '!') { |
| tmp = tmp.slice(1) |
| if (tmp === value) { |
| return false |
| } |
| ++blc |
| } else { |
| match = match || tmp === value |
| } |
| } |
| return match || blc === list.length |
| } |
| |
| function checkCycle (target, ancestors, cb) { |
| // there are some very rare and pathological edge-cases where |
| // a cycle can cause npm to try to install a never-ending tree |
| // of stuff. |
| // Simplest: |
| // |
| // A -> B -> A' -> B' -> A -> B -> A' -> B' -> A -> ... |
| // |
| // Solution: Simply flat-out refuse to install any name@version |
| // that is already in the prototype tree of the ancestors object. |
| // A more correct, but more complex, solution would be to symlink |
| // the deeper thing into the new location. |
| // Will do that if anyone whines about this irl. |
| // |
| // Note: `npm install foo` inside of the `foo` package will abort |
| // earlier if `--force` is not set. However, if it IS set, then |
| // we need to still fail here, but just skip the first level. Of |
| // course, it'll still fail eventually if it's a true cycle, and |
| // leave things in an undefined state, but that's what is to be |
| // expected when `--force` is used. That is why getPrototypeOf |
| // is used *twice* here: to skip the first level of repetition. |
| |
| var p = Object.getPrototypeOf(Object.getPrototypeOf(ancestors)) |
| , name = target.name |
| , version = target.version |
| while (p && p !== Object.prototype && p[name] !== version) { |
| p = Object.getPrototypeOf(p) |
| } |
| if (p[name] !== version) return cb() |
| |
| var er = new Error("Unresolvable cycle detected") |
| var tree = [target._id, JSON.parse(JSON.stringify(ancestors))] |
| , t = Object.getPrototypeOf(ancestors) |
| while (t && t !== Object.prototype) { |
| if (t === p) t.THIS_IS_P = true |
| tree.push(JSON.parse(JSON.stringify(t))) |
| t = Object.getPrototypeOf(t) |
| } |
| log.verbose("unresolvable dependency tree", tree) |
| er.pkgid = target._id |
| er.code = "ECYCLE" |
| return cb(er) |
| } |
| |
| function checkGit (folder, cb) { |
| // if it's a git repo then don't touch it! |
| fs.lstat(folder, function (er, s) { |
| if (er || !s.isDirectory()) return cb() |
| else checkGit_(folder, cb) |
| }) |
| } |
| |
| function checkGit_ (folder, cb) { |
| fs.stat(path.resolve(folder, ".git"), function (er, s) { |
| if (!er && s.isDirectory()) { |
| var e = new Error("Appears to be a git repo or submodule.") |
| e.path = folder |
| e.code = "EISGIT" |
| return cb(e) |
| } |
| cb() |
| }) |
| } |
| |
| function write (target, targetFolder, context, cb_) { |
| var up = npm.config.get("unsafe-perm") |
| , user = up ? null : npm.config.get("user") |
| , group = up ? null : npm.config.get("group") |
| , family = context.family |
| |
| function cb (er, data) { |
| // cache.unpack returns the data object, and all we care about |
| // is the list of installed packages from that last thing. |
| if (!er) return cb_(er, data) |
| |
| if (false === npm.config.get("rollback")) return cb_(er) |
| npm.commands.unbuild([targetFolder], true, function (er2) { |
| if (er2) log.error("error rolling back", target._id, er2) |
| return cb_(er, data) |
| }) |
| } |
| |
| var bundled = [] |
| |
| chain |
| ( [ [ cache.unpack, target.name, target.version, targetFolder |
| , null, null, user, group ] |
| , [ fs, "writeFile" |
| , path.resolve(targetFolder, "package.json") |
| , JSON.stringify(target, null, 2) + "\n" ] |
| , [ lifecycle, target, "preinstall", targetFolder ] |
| , function (cb) { |
| if (!target.bundleDependencies) return cb() |
| |
| var bd = path.resolve(targetFolder, "node_modules") |
| fs.readdir(bd, function (er, b) { |
| // nothing bundled, maybe |
| if (er) return cb() |
| bundled = b || [] |
| cb() |
| }) |
| } ] |
| |
| // nest the chain so that we can throw away the results returned |
| // up until this point, since we really don't care about it. |
| , function X (er) { |
| if (er) return cb(er) |
| |
| // before continuing to installing dependencies, check for a shrinkwrap. |
| var opt = { dev: npm.config.get("dev") } |
| readDependencies(context, targetFolder, opt, function (er, data, wrap) { |
| var deps = prepareForInstallMany(data, "dependencies", bundled, wrap, |
| family) |
| var depsTargetFolder = targetFolder |
| var depsContext = { family: family |
| , ancestors: context.ancestors |
| , parent: target |
| , explicit: false |
| , wrap: wrap } |
| |
| var peerDeps = prepareForInstallMany(data, "peerDependencies", bundled, |
| wrap, family) |
| var pdTargetFolder = path.resolve(targetFolder, "..", "..") |
| var pdContext = context |
| |
| var actions = |
| [ [ installManyAndBuild, deps, depsTargetFolder, depsContext ] ] |
| |
| if (peerDeps.length > 0) { |
| actions.push( |
| [ installMany, peerDeps, pdTargetFolder, pdContext ] |
| ) |
| } |
| |
| chain(actions, cb) |
| }) |
| }) |
| } |
| |
| function installManyAndBuild (deps, targetFolder, context, cb) { |
| installMany(deps, targetFolder, context, function (er, d) { |
| log.verbose("about to build", targetFolder) |
| if (er) return cb(er) |
| npm.commands.build( [targetFolder] |
| , npm.config.get("global") |
| , true |
| , function (er) { return cb(er, d) }) |
| }) |
| } |
| |
| function prepareForInstallMany (packageData, depsKey, bundled, wrap, family) { |
| var deps = Object.keys(packageData[depsKey] || {}) |
| |
| // don't install bundleDependencies, unless they're missing. |
| if (packageData.bundleDependencies) { |
| deps = deps.filter(function (d) { |
| return packageData.bundleDependencies.indexOf(d) === -1 || |
| bundled.indexOf(d) === -1 |
| }) |
| } |
| |
| return deps.filter(function (d) { |
| // prefer to not install things that are satisfied by |
| // something in the "family" list, unless we're installing |
| // from a shrinkwrap. |
| if (wrap) return wrap |
| if (semver.validRange(family[d], true)) |
| return !semver.satisfies(family[d], packageData[depsKey][d], true) |
| return true |
| }).map(function (d) { |
| var t = packageData[depsKey][d] |
| , parsed = url.parse(t.replace(/^git\+/, "git")) |
| t = d + "@" + t |
| return t |
| }) |
| } |
