--- /dev/null
+
+module.exports = repo
+
+repo.usage = "npm repo <pkgname>"
+
+var npm = require("./npm.js")
+ , opener = require("opener")
+ , github = require("github-url-from-git")
+ , githubUserRepo = require("github-url-from-username-repo")
+ , path = require("path")
+ , readJson = require("read-package-json")
+ , fs = require("fs")
+ , url_ = require("url")
+ , mapToRegistry = require("./utils/map-to-registry.js")
+ , npa = require("npm-package-arg")
+
+repo.completion = function (opts, cb) {
+ // FIXME: there used to be registry completion here, but it stopped making
+ // sense somewhere around 50,000 packages on the registry
+ cb()
+}
+
+function repo (args, cb) {
+ var n = args.length && npa(args[0]).name || "."
+ fs.stat(n, function (er, s) {
+ if (er && er.code === "ENOENT") return callRegistry(n, cb)
+ else if (er) return cb(er)
+ if (!s.isDirectory()) return callRegistry(n, cb)
+ readJson(path.resolve(n, "package.json"), function (er, d) {
+ if (er) return cb(er)
+ getUrlAndOpen(d, cb)
+ })
+ })
+}
+
+function getUrlAndOpen (d, cb) {
+ var r = d.repository
+ if (!r) return cb(new Error("no repository"))
+ // XXX remove this when npm@v1.3.10 from node 0.10 is deprecated
+ // from https://github.com/npm/npm-www/issues/418
+ if (githubUserRepo(r.url))
+ r.url = githubUserRepo(r.url)
+
+ var url = (r.url && ~r.url.indexOf("github"))
+ ? github(r.url)
+ : nonGithubUrl(r.url)
+
+ if (!url)
+ return cb(new Error("no repository: could not get url"))
+ opener(url, { command: npm.config.get("browser") }, cb)
+}
+
+function callRegistry (n, cb) {
+ mapToRegistry(n, npm.config, function (er, uri) {
+ if (er) return cb(er)
+
+ npm.registry.get(uri + "/latest", { timeout : 3600 }, function (er, d) {
+ if (er) return cb(er)
+ getUrlAndOpen(d, cb)
+ })
+ })
+}
+
+function nonGithubUrl (url) {
+ try {
+ var idx = url.indexOf("@")
+ if (idx !== -1) {
+ url = url.slice(idx+1).replace(/:([^\d]+)/, "/$1")
+ }
+ url = url_.parse(url)
+ var protocol = url.protocol === "https:"
+ ? "https:"
+ : "http:"
+ return protocol + "//" + (url.host || "") +
+ url.path.replace(/\.git$/, "")
+ }
+ catch(e) {}
+}