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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) {}
}
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