Commit node_modules.

For @billywhizz :)

And cause it's just an all around good idea for command-line apps.

node_modules/tar/tar.js

@@ -0,0 +1,172 @@
+// field paths that every tar file must have.
+// header is padded to 512 bytes.
+var f = 0
+  , fields = {}
+  , path = fields.path = f++
+  , mode = fields.mode = f++
+  , uid = fields.uid = f++
+  , gid = fields.gid = f++
+  , size = fields.size = f++
+  , mtime = fields.mtime = f++
+  , cksum = fields.cksum = f++
+  , type = fields.type = f++
+  , linkpath = fields.linkpath = f++
+  , headerSize = 512
+  , blockSize = 512
+  , fieldSize = []
+
+fieldSize[path] = 100
+fieldSize[mode] = 8
+fieldSize[uid] = 8
+fieldSize[gid] = 8
+fieldSize[size] = 12
+fieldSize[mtime] = 12
+fieldSize[cksum] = 8
+fieldSize[type] = 1
+fieldSize[linkpath] = 100
+
+// "ustar\0" may introduce another bunch of headers.
+// these are optional, and will be nulled out if not present.
+
+var ustar = fields.ustar = f++
+  , ustarver = fields.ustarver = f++
+  , uname = fields.uname = f++
+  , gname = fields.gname = f++
+  , devmaj = fields.devmaj = f++
+  , devmin = fields.devmin = f++
+  , prefix = fields.prefix = f++
+  , fill = fields.fill = f++
+
+// terminate fields.
+fields[f] = null
+
+fieldSize[ustar] = 6
+fieldSize[ustarver] = 2
+fieldSize[uname] = 32
+fieldSize[gname] = 32
+fieldSize[devmaj] = 8
+fieldSize[devmin] = 8
+fieldSize[prefix] = 155
+fieldSize[fill] = 12
+
+// nb: prefix field may in fact be 130 bytes of prefix,
+// a null char, 12 bytes for atime, 12 bytes for ctime.
+//
+// To recognize this format:
+// 1. prefix[130] === ' ' or '\0'
+// 2. atime and ctime are octal numeric values
+// 3. atime and ctime have ' ' in their last byte
+
+var fieldEnds = {}
+  , fieldOffs = {}
+  , fe = 0
+for (var i = 0; i < f; i ++) {
+  fieldOffs[i] = fe
+  fieldEnds[i] = (fe += fieldSize[i])
+}
+
+// build a translation table of field paths.
+Object.keys(fields).forEach(function (f) {
+  if (fields[f] !== null) fields[fields[f]] = f
+})
+
+// different values of the 'type' field
+// paths match the values of Stats.isX() functions, where appropriate
+var types =
+  { 0: "File"
+  , "\0": "OldFile" // like 0
+  , 1: "Link"
+  , 2: "SymbolicLink"
+  , 3: "CharacterDevice"
+  , 4: "BlockDevice"
+  , 5: "Directory"
+  , 6: "FIFO"
+  , 7: "ContiguousFile" // like 0
+  // posix headers
+  , g: "GlobalExtendedHeader" // k=v for the rest of the archive
+  , x: "ExtendedHeader" // k=v for the next file
+  // vendor-specific stuff
+  , A: "SolarisACL" // skip
+  , D: "GNUDumpDir" // like 5, but with data, which should be skipped
+  , I: "Inode" // metadata only, skip
+  , K: "NextFileHasLongLinkpath" // data = link path of next file
+  , L: "NextFileHasLongPath" // data = path of next file
+  , M: "ContinuationFile" // skip
+  , N: "OldGnuLongPath" // like L
+  , S: "SparseFile" // skip
+  , V: "TapeVolumeHeader" // skip
+  , X: "OldExtendedHeader" // like x
+  }
+
+Object.keys(types).forEach(function (t) {
+  types[types[t]] = types[types[t]] || t
+})
+
+// values for the mode field
+var modes =
+  { suid: 04000 // set uid on extraction
+  , sgid: 02000 // set gid on extraction
+  , svtx: 01000 // set restricted deletion flag on dirs on extraction
+  , uread:  0400
+  , uwrite: 0200
+  , uexec:  0100
+  , gread:  040
+  , gwrite: 020
+  , gexec:  010
+  , oread:  4
+  , owrite: 2
+  , oexec:  1
+  , all: 07777
+  }
+
+var numeric =
+  { mode: true
+  , uid: true
+  , gid: true
+  , size: true
+  , mtime: true
+  , devmaj: true
+  , devmin: true
+  , cksum: true
+  , atime: true
+  , ctime: true
+  , dev: true
+  , ino: true
+  , nlink: true
+  }
+
+Object.keys(modes).forEach(function (t) {
+  modes[modes[t]] = modes[modes[t]] || t
+})
+
+var knownExtended =
+  { atime: true
+  , charset: true
+  , comment: true
+  , ctime: true
+  , gid: true
+  , gname: true
+  , linkpath: true
+  , mtime: true
+  , path: true
+  , realtime: true
+  , security: true
+  , size: true
+  , uid: true
+  , uname: true }
+
+
+exports.fields = fields
+exports.fieldSize = fieldSize
+exports.fieldOffs = fieldOffs
+exports.fieldEnds = fieldEnds
+exports.types = types
+exports.modes = modes
+exports.numeric = numeric
+exports.headerSize = headerSize
+exports.blockSize = blockSize
+exports.knownExtended = knownExtended
+
+exports.Pack = require("./lib/pack.js")
+exports.Parse = require("./lib/parse.js")
+exports.Extract = require("./lib/extract.js")