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94 lines
2.6 KiB
94 lines
2.6 KiB
13 years ago
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// npm submodule <pkg>
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// Check the package contents for a git repository url.
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// If there is one, then create a git submodule in the node_modules folder.
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module.exports = submodule
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var npm = require("./npm.js")
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, readJson = require("./utils/read-json.js")
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, exec = require("./utils/exec.js")
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, output = require("./utils/output.js")
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, cache = require("./cache.js")
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, asyncMap = require("slide").asyncMap
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, chain = require("slide").chain
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submodule.usage = "npm submodule <pkg>"
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submodule.completion = require("./docs.js").completion
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function submodule (args, cb) {
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if (npm.config.get("global")) {
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return cb(new Error("Cannot use submodule command in global mode."))
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}
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if (args.length === 0) return cb(submodule.usage)
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asyncMap(args, function (arg, cb) {
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cache.add(arg, cb)
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}, function (er, pkgs) {
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if (er) return cb(er)
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chain(pkgs.map(function (pkg) { return function (cb) {
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submodule_(pkg, cb)
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}}), cb)
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})
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}
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function submodule_ (pkg, cb) {
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if (!pkg.repository
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|| pkg.repository.type !== "git"
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|| !pkg.repository.url) {
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return cb(new Error(pkg._id + ": No git repository listed"))
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}
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// prefer https:// github urls
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pkg.repository.url = pkg.repository.url
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.replace(/^(git:\/\/)?(git@)?github.com[:\/]/, "https://github.com/")
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// first get the list of submodules, and update if it's already there.
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getSubmodules(function (er, modules) {
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if (er) return cb(er)
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// if there's already a submodule, then just update it.
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if (modules.indexOf(pkg.name) !== -1) {
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return updateSubmodule(pkg.name, cb)
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}
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addSubmodule(pkg.name, pkg.repository.url, cb)
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})
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}
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function updateSubmodule (name, cb) {
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exec( "git", [ "submodule", "update", "--init"
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, "node_modules/" + name ]
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, null, true, npm.prefix, cb)
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}
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function addSubmodule (name, url, cb) {
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exec( "git", [ "submodule", "add", url
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, "node_modules/" + name ]
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, null, true, npm.prefix, function (er) {
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if (er) return cb(er)
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updateSubmodule(name, cb)
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})
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}
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var getSubmodules = function getSubmodules (cb) {
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exec( "git", ["submodule", "status"], null, false
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, npm.prefix, function (er, code, stdout, stderr) {
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if (er) return cb(er)
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res = stdout.trim().split(/\n/).map(function (line) {
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return line.trim().split(/\s+/)[1]
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}).filter(function (line) {
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// only care about submodules in the node_modules folder.
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return line && line.match(/^node_modules\//)
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}).map(function (line) {
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return line.replace(/^node_modules\//g, "")
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})
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// memoize.
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getSubmodules = function (cb) { return cb(null, res) }
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cb(null, res)
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})
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}
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