Commit

1 files changed, 372 insertions, 0 deletions

diff --git a/node_modules/rimraf/rimraf.js b/node_modules/rimraf/rimraf.js
new file mode 100644
index 0000000..a90ad02
--- /dev/null
+++ b/node_modules/rimraf/rimraf.js
@@ -0,0 +1,372 @@
+module.exports = rimraf
+rimraf.sync = rimrafSync
+
+var assert = require("assert")
+var path = require("path")
+var fs = require("fs")
+var glob = undefined
+try {
+  glob = require("glob")
+} catch (_err) {
+  // treat glob as optional.
+}
+var _0666 = parseInt('666', 8)
+
+var defaultGlobOpts = {
+  nosort: true,
+  silent: true
+}
+
+// for EMFILE handling
+var timeout = 0
+
+var isWindows = (process.platform === "win32")
+
+function defaults (options) {
+  var methods = [
+    'unlink',
+    'chmod',
+    'stat',
+    'lstat',
+    'rmdir',
+    'readdir'
+  ]
+  methods.forEach(function(m) {
+    options[m] = options[m] || fs[m]
+    m = m + 'Sync'
+    options[m] = options[m] || fs[m]
+  })
+
+  options.maxBusyTries = options.maxBusyTries || 3
+  options.emfileWait = options.emfileWait || 1000
+  if (options.glob === false) {
+    options.disableGlob = true
+  }
+  if (options.disableGlob !== true && glob === undefined) {
+    throw Error('glob dependency not found, set `options.disableGlob = true` if intentional')
+  }
+  options.disableGlob = options.disableGlob || false
+  options.glob = options.glob || defaultGlobOpts
+}
+
+function rimraf (p, options, cb) {
+  if (typeof options === 'function') {
+    cb = options
+    options = {}
+  }
+
+  assert(p, 'rimraf: missing path')
+  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
+  assert.equal(typeof cb, 'function', 'rimraf: callback function required')
+  assert(options, 'rimraf: invalid options argument provided')
+  assert.equal(typeof options, 'object', 'rimraf: options should be object')
+
+  defaults(options)
+
+  var busyTries = 0
+  var errState = null
+  var n = 0
+
+  if (options.disableGlob || !glob.hasMagic(p))
+    return afterGlob(null, [p])
+
+  options.lstat(p, function (er, stat) {
+    if (!er)
+      return afterGlob(null, [p])
+
+    glob(p, options.glob, afterGlob)
+  })
+
+  function next (er) {
+    errState = errState || er
+    if (--n === 0)
+      cb(errState)
+  }
+
+  function afterGlob (er, results) {
+    if (er)
+      return cb(er)
+
+    n = results.length
+    if (n === 0)
+      return cb()
+
+    results.forEach(function (p) {
+      rimraf_(p, options, function CB (er) {
+        if (er) {
+          if ((er.code === "EBUSY" || er.code === "ENOTEMPTY" || er.code === "EPERM") &&
+              busyTries < options.maxBusyTries) {
+            busyTries ++
+            var time = busyTries * 100
+            // try again, with the same exact callback as this one.
+            return setTimeout(function () {
+              rimraf_(p, options, CB)
+            }, time)
+          }
+
+          // this one won't happen if graceful-fs is used.
+          if (er.code === "EMFILE" && timeout < options.emfileWait) {
+            return setTimeout(function () {
+              rimraf_(p, options, CB)
+            }, timeout ++)
+          }
+
+          // already gone
+          if (er.code === "ENOENT") er = null
+        }
+
+        timeout = 0
+        next(er)
+      })
+    })
+  }
+}
+
+// Two possible strategies.
+// 1. Assume it's a file.  unlink it, then do the dir stuff on EPERM or EISDIR
+// 2. Assume it's a directory.  readdir, then do the file stuff on ENOTDIR
+//
+// Both result in an extra syscall when you guess wrong.  However, there
+// are likely far more normal files in the world than directories.  This
+// is based on the assumption that a the average number of files per
+// directory is >= 1.
+//
+// If anyone ever complains about this, then I guess the strategy could
+// be made configurable somehow.  But until then, YAGNI.
+function rimraf_ (p, options, cb) {
+  assert(p)
+  assert(options)
+  assert(typeof cb === 'function')
+
+  // sunos lets the root user unlink directories, which is... weird.
+  // so we have to lstat here and make sure it's not a dir.
+  options.lstat(p, function (er, st) {
+    if (er && er.code === "ENOENT")
+      return cb(null)
+
+    // Windows can EPERM on stat.  Life is suffering.
+    if (er && er.code === "EPERM" && isWindows)
+      fixWinEPERM(p, options, er, cb)
+
+    if (st && st.isDirectory())
+      return rmdir(p, options, er, cb)
+
+    options.unlink(p, function (er) {
+      if (er) {
+        if (er.code === "ENOENT")
+          return cb(null)
+        if (er.code === "EPERM")
+          return (isWindows)
+            ? fixWinEPERM(p, options, er, cb)
+            : rmdir(p, options, er, cb)
+        if (er.code === "EISDIR")
+          return rmdir(p, options, er, cb)
+      }
+      return cb(er)
+    })
+  })
+}
+
+function fixWinEPERM (p, options, er, cb) {
+  assert(p)
+  assert(options)
+  assert(typeof cb === 'function')
+  if (er)
+    assert(er instanceof Error)
+
+  options.chmod(p, _0666, function (er2) {
+    if (er2)
+      cb(er2.code === "ENOENT" ? null : er)
+    else
+      options.stat(p, function(er3, stats) {
+        if (er3)
+          cb(er3.code === "ENOENT" ? null : er)
+        else if (stats.isDirectory())
+          rmdir(p, options, er, cb)
+        else
+          options.unlink(p, cb)
+      })
+  })
+}
+
+function fixWinEPERMSync (p, options, er) {
+  assert(p)
+  assert(options)
+  if (er)
+    assert(er instanceof Error)
+
+  try {
+    options.chmodSync(p, _0666)
+  } catch (er2) {
+    if (er2.code === "ENOENT")
+      return
+    else
+      throw er
+  }
+
+  try {
+    var stats = options.statSync(p)
+  } catch (er3) {
+    if (er3.code === "ENOENT")
+      return
+    else
+      throw er
+  }
+
+  if (stats.isDirectory())
+    rmdirSync(p, options, er)
+  else
+    options.unlinkSync(p)
+}
+
+function rmdir (p, options, originalEr, cb) {
+  assert(p)
+  assert(options)
+  if (originalEr)
+    assert(originalEr instanceof Error)
+  assert(typeof cb === 'function')
+
+  // try to rmdir first, and only readdir on ENOTEMPTY or EEXIST (SunOS)
+  // if we guessed wrong, and it's not a directory, then
+  // raise the original error.
+  options.rmdir(p, function (er) {
+    if (er && (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM"))
+      rmkids(p, options, cb)
+    else if (er && er.code === "ENOTDIR")
+      cb(originalEr)
+    else
+      cb(er)
+  })
+}
+
+function rmkids(p, options, cb) {
+  assert(p)
+  assert(options)
+  assert(typeof cb === 'function')
+
+  options.readdir(p, function (er, files) {
+    if (er)
+      return cb(er)
+    var n = files.length
+    if (n === 0)
+      return options.rmdir(p, cb)
+    var errState
+    files.forEach(function (f) {
+      rimraf(path.join(p, f), options, function (er) {
+        if (errState)
+          return
+        if (er)
+          return cb(errState = er)
+        if (--n === 0)
+          options.rmdir(p, cb)
+      })
+    })
+  })
+}
+
+// this looks simpler, and is strictly *faster*, but will
+// tie up the JavaScript thread and fail on excessively
+// deep directory trees.
+function rimrafSync (p, options) {
+  options = options || {}
+  defaults(options)
+
+  assert(p, 'rimraf: missing path')
+  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
+  assert(options, 'rimraf: missing options')
+  assert.equal(typeof options, 'object', 'rimraf: options should be object')
+
+  var results
+
+  if (options.disableGlob || !glob.hasMagic(p)) {
+    results = [p]
+  } else {
+    try {
+      options.lstatSync(p)
+      results = [p]
+    } catch (er) {
+      results = glob.sync(p, options.glob)
+    }
+  }
+
+  if (!results.length)
+    return
+
+  for (var i = 0; i < results.length; i++) {
+    var p = results[i]
+
+    try {
+      var st = options.lstatSync(p)
+    } catch (er) {
+      if (er.code === "ENOENT")
+        return
+
+      // Windows can EPERM on stat.  Life is suffering.
+      if (er.code === "EPERM" && isWindows)
+        fixWinEPERMSync(p, options, er)
+    }
+
+    try {
+      // sunos lets the root user unlink directories, which is... weird.
+      if (st && st.isDirectory())
+        rmdirSync(p, options, null)
+      else
+        options.unlinkSync(p)
+    } catch (er) {
+      if (er.code === "ENOENT")
+        return
+      if (er.code === "EPERM")
+        return isWindows ? fixWinEPERMSync(p, options, er) : rmdirSync(p, options, er)
+      if (er.code !== "EISDIR")
+        throw er
+
+      rmdirSync(p, options, er)
+    }
+  }
+}
+
+function rmdirSync (p, options, originalEr) {
+  assert(p)
+  assert(options)
+  if (originalEr)
+    assert(originalEr instanceof Error)
+
+  try {
+    options.rmdirSync(p)
+  } catch (er) {
+    if (er.code === "ENOENT")
+      return
+    if (er.code === "ENOTDIR")
+      throw originalEr
+    if (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM")
+      rmkidsSync(p, options)
+  }
+}
+
+function rmkidsSync (p, options) {
+  assert(p)
+  assert(options)
+  options.readdirSync(p).forEach(function (f) {
+    rimrafSync(path.join(p, f), options)
+  })
+
+  // We only end up here once we got ENOTEMPTY at least once, and
+  // at this point, we are guaranteed to have removed all the kids.
+  // So, we know that it won't be ENOENT or ENOTDIR or anything else.
+  // try really hard to delete stuff on windows, because it has a
+  // PROFOUNDLY annoying habit of not closing handles promptly when
+  // files are deleted, resulting in spurious ENOTEMPTY errors.
+  var retries = isWindows ? 100 : 1
+  var i = 0
+  do {
+    var threw = true
+    try {
+      var ret = options.rmdirSync(p, options)
+      threw = false
+      return ret
+    } finally {
+      if (++i < retries && threw)
+        continue
+    }
+  } while (true)
+}