Sha256: 05bfa73558b01899c0ad4b1d028705426214d647b831abe0d691c63fdbc74212
Contents?: true
Size: 1.51 KB
Versions: 11
Compression:
Stored size: 1.51 KB
Contents
// Basically just a wrapper around an fs.readlink
//
// XXX: Enhance this to support the Link type, by keeping
// a lookup table of {<dev+inode>:<path>}, so that hardlinks
// can be preserved in tarballs.
module.exports = LinkReader
var fs = require("graceful-fs")
, fstream = require("../fstream.js")
, inherits = require("inherits")
, mkdir = require("mkdirp")
, Reader = require("./reader.js")
inherits(LinkReader, Reader)
function LinkReader (props) {
var me = this
if (!(me instanceof LinkReader)) throw new Error(
"LinkReader must be called as constructor.")
if (!((props.type === "Link" && props.Link) ||
(props.type === "SymbolicLink" && props.SymbolicLink))) {
throw new Error("Non-link type "+ props.type)
}
Reader.call(me, props)
}
// When piping a LinkReader into a LinkWriter, we have to
// already have the linkpath property set, so that has to
// happen *before* the "ready" event, which means we need to
// override the _stat method.
LinkReader.prototype._stat = function (currentStat) {
var me = this
fs.readlink(me._path, function (er, linkpath) {
if (er) return me.error(er)
me.linkpath = me.props.linkpath = linkpath
me.emit("linkpath", linkpath)
Reader.prototype._stat.call(me, currentStat)
})
}
LinkReader.prototype._read = function () {
var me = this
if (me._paused) return
// basically just a no-op, since we got all the info we need
// from the _stat method
if (!me._ended) {
me.emit("end")
me.emit("close")
me._ended = true
}
}
Version data entries
11 entries across 11 versions & 3 rubygems