Add a rebuild command. Fix #143

2 files changed, 70 insertions, 0 deletions

diff --git a/lib/rebuild.js b/lib/rebuild.js
new file mode 100644
index 000000000..5d74ab5a9
--- /dev/null
+++ b/lib/rebuild.js
@@ -0,0 +1,69 @@
+
+module.exports = rebuild
+
+var readInstalled = require("./utils/read-installed")
+  , asyncMap = require("./utils/async-map")
+  , semver = require("./utils/semver")
+  , log = require("./utils/log")
+  , path = require("path")
+  , npm = require("../npm")
+  , loadPackageDefaults = require("./utils/load-package-defaults")
+  , lifecycle = require("./utils/lifecycle")
+  , chain = require("./utils/chain")
+  , readJson = require("./utils/read-json")
+
+function rebuild (args, cb) {
+  log(args, "rebuild")
+  lookupArgs(args, function (er, args) {
+    if (er) return cb(er)
+    asyncMap(args, function (arg, cb) {
+      log.verbose(arg, "rebuild")
+      arg = arg.split("@")
+      var n = arg.shift()
+        , v = arg.join("@")
+      readJson(path.join(npm.dir, n, v, "package", "package.json"), function (er, data) {
+        if (er) return cb(er)
+        data.version = v
+        data._id = data.name + "-" + data.version
+        loadPackageDefaults(data, cb)
+      })
+    }, function (er, args) {
+      if (er) return cb(er)
+      npm.config.set("update-dependents", false)
+      npm.config.set("auto-activate", false)
+      npm.commands.build(args, cb)
+    })
+  })
+}
+// TODO: abstract this out for uninstall, etc to use.
+function lookupArgs (args, cb) {
+  if (!args.length) return readInstalled([], function (er, inst) {
+    if (er) return cb(er)
+    var a = []
+    asyncMap(Object.keys(inst), function (p, cb) {
+      cb(null, Object.keys(inst[p]).map(function (v) {
+        return p+"@"+v
+      }))
+    }, cb)
+  })
+  var req = {}
+  args.forEach(function (a) {
+    a = a.split("@")
+    var n = a.shift()
+      , v = a.join("@")
+    ;(req[n] = req[n] || []).push(v)
+  })
+  readInstalled(Object.keys(req), function (er, inst) {
+    asyncMap(Object.keys(inst), function (p, cb) {
+      if (!req.hasOwnProperty(p)) return cb()
+      var matches = []
+      Object.keys(inst[p]).forEach(function (v) {
+        req[p].forEach(function (r) {
+          if (semver.satisfies(v, r)) matches.push(p+"@"+v), v = null
+        })
+      })
+      log.verbose(p, "rebuild")
+      cb(null, matches)
+    }, cb)
+  })
+}
diff --git a/npm.js b/npm.js
index ce4291c6f..0b11487de 100755
--- a/npm.js
+++ b/npm.js
@@ -45,6 +45,7 @@ var commandCache = {}
   , "update-dependents"
   , "view"
   , "repl"
+  , "rebuild"
   ].forEach(function (c) {
     Object.defineProperty(npm.commands, c, { get : function () {
       c = c === "list" ? "ls"