update packages to latest version

node_modules/npm/lib/utils/lifecycle.js

@@ -0,0 +1,369 @@
+exports = module.exports = lifecycle
+exports.cmd = cmd
+exports.makeEnv = makeEnv
+
+var log = require("npmlog")
+var spawn = require("./spawn")
+var npm = require("../npm.js")
+var path = require("path")
+var fs = require("graceful-fs")
+var chain = require("slide").chain
+var Stream = require("stream").Stream
+var PATH = "PATH"
+var uidNumber = require("uid-number")
+var umask = require("./umask")
+
+// windows calls it's path "Path" usually, but this is not guaranteed.
+if (process.platform === "win32") {
+  PATH = "Path"
+  Object.keys(process.env).forEach(function (e) {
+    if (e.match(/^PATH$/i)) {
+      PATH = e
+    }
+  })
+}
+
+function lifecycle (pkg, stage, wd, unsafe, failOk, cb) {
+  if (typeof cb !== "function") cb = failOk, failOk = false
+  if (typeof cb !== "function") cb = unsafe, unsafe = false
+  if (typeof cb !== "function") cb = wd, wd = null
+
+  while (pkg && pkg._data) pkg = pkg._data
+  if (!pkg) return cb(new Error("Invalid package data"))
+
+  log.info(stage, pkg._id)
+  if (!pkg.scripts || npm.config.get('ignore-scripts')) pkg.scripts = {}
+
+  validWd(wd || path.resolve(npm.dir, pkg.name), function (er, wd) {
+    if (er) return cb(er)
+
+    unsafe = unsafe || npm.config.get("unsafe-perm")
+
+    if ((wd.indexOf(npm.dir) !== 0 ||
+          wd.indexOf(pkg.name) !== wd.length - pkg.name.length) &&
+        !unsafe && pkg.scripts[stage]) {
+      log.warn( "cannot run in wd", "%s %s (wd=%s)"
+              , pkg._id, pkg.scripts[stage], wd)
+      return cb()
+    }
+
+    // set the env variables, then run scripts as a child process.
+    var env = makeEnv(pkg)
+    env.npm_lifecycle_event = stage
+    env.npm_node_execpath = env.NODE = env.NODE || process.execPath
+    env.npm_execpath = require.main.filename
+
+    // "nobody" typically doesn't have permission to write to /tmp
+    // even if it's never used, sh freaks out.
+    if (!npm.config.get("unsafe-perm")) env.TMPDIR = wd
+
+    lifecycle_(pkg, stage, wd, env, unsafe, failOk, cb)
+  })
+}
+
+function checkForLink (pkg, cb) {
+  var f = path.join(npm.dir, pkg.name)
+  fs.lstat(f, function (er, s) {
+    cb(null, !(er || !s.isSymbolicLink()))
+  })
+}
+
+function lifecycle_ (pkg, stage, wd, env, unsafe, failOk, cb) {
+  var pathArr = []
+    , p = wd.split("node_modules")
+    , acc = path.resolve(p.shift())
+
+  p.forEach(function (pp) {
+    pathArr.unshift(path.join(acc, "node_modules", ".bin"))
+    acc = path.join(acc, "node_modules", pp)
+  })
+  pathArr.unshift(path.join(acc, "node_modules", ".bin"))
+
+  // we also unshift the bundled node-gyp-bin folder so that
+  // the bundled one will be used for installing things.
+  pathArr.unshift(path.join(__dirname, "..", "..", "bin", "node-gyp-bin"))
+
+  // prefer current node interpreter in child scripts
+  pathArr.push(path.dirname(process.execPath))
+
+  if (env[PATH]) pathArr.push(env[PATH])
+  env[PATH] = pathArr.join(process.platform === "win32" ? ";" : ":")
+
+  var packageLifecycle = pkg.scripts && pkg.scripts.hasOwnProperty(stage)
+
+  if (packageLifecycle) {
+    // define this here so it's available to all scripts.
+    env.npm_lifecycle_script = pkg.scripts[stage]
+  }
+
+  function done (er) {
+    if (er) {
+      if (npm.config.get("force")) {
+        log.info("forced, continuing", er)
+        er = null
+      } else if (failOk) {
+        log.warn("continuing anyway", er.message)
+        er = null
+      }
+    }
+    cb(er)
+  }
+
+  chain
+    ( [ packageLifecycle && [runPackageLifecycle, pkg, env, wd, unsafe]
+      , [runHookLifecycle, pkg, env, wd, unsafe] ]
+    , done )
+}
+
+function validWd (d, cb) {
+  fs.stat(d, function (er, st) {
+    if (er || !st.isDirectory()) {
+      var p = path.dirname(d)
+      if (p === d) {
+        return cb(new Error("Could not find suitable wd"))
+      }
+      return validWd(p, cb)
+    }
+    return cb(null, d)
+  })
+}
+
+function runPackageLifecycle (pkg, env, wd, unsafe, cb) {
+  // run package lifecycle scripts in the package root, or the nearest parent.
+  var stage = env.npm_lifecycle_event
+    , cmd = env.npm_lifecycle_script
+
+  var note = "\n> " + pkg._id + " " + stage + " " + wd
+           + "\n> " + cmd + "\n"
+  runCmd(note, cmd, pkg, env, stage, wd, unsafe, cb)
+}
+
+
+var running = false
+var queue = []
+function dequeue() {
+  running = false
+  if (queue.length) {
+    var r = queue.shift()
+    runCmd.apply(null, r)
+  }
+}
+
+function runCmd (note, cmd, pkg, env, stage, wd, unsafe, cb) {
+  if (running) {
+    queue.push([note, cmd, pkg, env, stage, wd, unsafe, cb])
+    return
+  }
+
+  running = true
+  log.pause()
+  var user = unsafe ? null : npm.config.get("user")
+    , group = unsafe ? null : npm.config.get("group")
+
+  if (log.level !== 'silent') {
+    if (npm.spinner.int) {
+      npm.config.get("logstream").write("\r \r")
+    }
+    console.log(note)
+  }
+  log.verbose("unsafe-perm in lifecycle", unsafe)
+
+  if (process.platform === "win32") {
+    unsafe = true
+  }
+
+  if (unsafe) {
+    runCmd_(cmd, pkg, env, wd, stage, unsafe, 0, 0, cb)
+  } else {
+    uidNumber(user, group, function (er, uid, gid) {
+      runCmd_(cmd, pkg, env, wd, stage, unsafe, uid, gid, cb)
+    })
+  }
+}
+
+function runCmd_ (cmd, pkg, env, wd, stage, unsafe, uid, gid, cb_) {
+
+  function cb (er) {
+    cb_.apply(null, arguments)
+    log.resume()
+    process.nextTick(dequeue)
+  }
+
+  var conf = { cwd: wd
+             , env: env
+             , stdio: [ 0, 1, 2 ]
+             }
+
+  if (!unsafe) {
+    conf.uid = uid ^ 0
+    conf.gid = gid ^ 0
+  }
+
+  var sh = 'sh'
+  var shFlag = '-c'
+
+  if (process.platform === 'win32') {
+    sh = process.env.comspec || 'cmd'
+    shFlag = '/d /s /c'
+    conf.windowsVerbatimArguments = true
+  }
+
+  var proc = spawn(sh, [shFlag, cmd], conf)
+  proc.on("error", procError)
+  proc.on("close", function (code, signal) {
+    if (signal) {
+      process.kill(process.pid, signal);
+    } else if (code) {
+      var er = new Error("Exit status " + code)
+    }
+    procError(er)
+  })
+
+  function procError (er) {
+    if (er && !npm.ROLLBACK) {
+      log.info(pkg._id, "Failed to exec "+stage+" script")
+      er.message = pkg._id + " "
+                 + stage + ": `" + cmd +"`\n"
+                 + er.message
+      if (er.code !== "EPERM") {
+        er.code = "ELIFECYCLE"
+      }
+      er.pkgid = pkg._id
+      er.stage = stage
+      er.script = cmd
+      er.pkgname = pkg.name
+      return cb(er)
+    } else if (er) {
+      log.error(pkg._id+"."+stage, er)
+      log.error(pkg._id+"."+stage, "continuing anyway")
+      return cb()
+    }
+    cb(er)
+  }
+}
+
+
+function runHookLifecycle (pkg, env, wd, unsafe, cb) {
+  // check for a hook script, run if present.
+  var stage = env.npm_lifecycle_event
+    , hook = path.join(npm.dir, ".hooks", stage)
+    , user = unsafe ? null : npm.config.get("user")
+    , group = unsafe ? null : npm.config.get("group")
+    , cmd = hook
+
+  fs.stat(hook, function (er) {
+    if (er) return cb()
+    var note = "\n> " + pkg._id + " " + stage + " " + wd
+             + "\n> " + cmd
+    runCmd(note, hook, pkg, env, stage, wd, unsafe, cb)
+  })
+}
+
+function makeEnv (data, prefix, env) {
+  prefix = prefix || "npm_package_"
+  if (!env) {
+    env = {}
+    for (var i in process.env) if (!i.match(/^npm_/)) {
+      env[i] = process.env[i]
+    }
+
+    // npat asks for tap output
+    if (npm.config.get("npat")) env.TAP = 1
+
+    // express and others respect the NODE_ENV value.
+    if (npm.config.get("production")) env.NODE_ENV = "production"
+
+  } else if (!data.hasOwnProperty("_lifecycleEnv")) {
+    Object.defineProperty(data, "_lifecycleEnv",
+      { value : env
+      , enumerable : false
+      })
+  }
+
+  for (var i in data) if (i.charAt(0) !== "_") {
+    var envKey = (prefix+i).replace(/[^a-zA-Z0-9_]/g, '_')
+    if (i === "readme") {
+      continue
+    }
+    if (data[i] && typeof(data[i]) === "object") {
+      try {
+        // quick and dirty detection for cyclical structures
+        JSON.stringify(data[i])
+        makeEnv(data[i], envKey+"_", env)
+      } catch (ex) {
+        // usually these are package objects.
+        // just get the path and basic details.
+        var d = data[i]
+        makeEnv( { name: d.name, version: d.version, path:d.path }
+               , envKey+"_", env)
+      }
+    } else {
+      env[envKey] = String(data[i])
+      env[envKey] = -1 !== env[envKey].indexOf("\n")
+                  ? JSON.stringify(env[envKey])
+                  : env[envKey]
+    }
+
+  }
+
+  if (prefix !== "npm_package_") return env
+
+  prefix = "npm_config_"
+  var pkgConfig = {}
+    , keys = npm.config.keys
+    , pkgVerConfig = {}
+    , namePref = data.name + ":"
+    , verPref = data.name + "@" + data.version + ":"
+
+  keys.forEach(function (i) {
+    // in some rare cases (e.g. working with nerf darts), there are segmented
+    // "private" (underscore-prefixed) config names -- don't export
+    if (i.charAt(0) === '_' && i.indexOf('_' + namePref) !== 0 || i.match(/:_/)) {
+      return
+    }
+    var value = npm.config.get(i)
+    if (value instanceof Stream || Array.isArray(value)) return
+    if (i.match(/umask/)) value = umask.toString(value)
+    if (!value) value = ""
+    else if (typeof value === "number") value = "" + value
+    else if (typeof value !== "string") value = JSON.stringify(value)
+
+    value = -1 !== value.indexOf("\n")
+          ? JSON.stringify(value)
+          : value
+    i = i.replace(/^_+/, "")
+    if (i.indexOf(namePref) === 0) {
+      var k = i.substr(namePref.length).replace(/[^a-zA-Z0-9_]/g, "_")
+      pkgConfig[ k ] = value
+    } else if (i.indexOf(verPref) === 0) {
+      var k = i.substr(verPref.length).replace(/[^a-zA-Z0-9_]/g, "_")
+      pkgVerConfig[ k ] = value
+    }
+    var envKey = (prefix+i).replace(/[^a-zA-Z0-9_]/g, "_")
+    env[envKey] = value
+  })
+
+  prefix = "npm_package_config_"
+  ;[pkgConfig, pkgVerConfig].forEach(function (conf) {
+    for (var i in conf) {
+      var envKey = (prefix+i)
+      env[envKey] = conf[i]
+    }
+  })
+
+  return env
+}
+
+function cmd (stage) {
+  function CMD (args, cb) {
+    npm.commands["run-script"]([stage].concat(args), cb)
+  }
+  CMD.usage = "npm "+stage+" [-- <args>]"
+  var installedShallow = require("./completion/installed-shallow.js")
+  CMD.completion = function (opts, cb) {
+    installedShallow(opts, function (d) {
+      return d.scripts && d.scripts[stage]
+    }, cb)
+  }
+  return CMD
+}