X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=org.simantics.maps.server%2Fnode%2Fnode-v4.8.0-win-x64%2Fnode_modules%2Fnpm%2Fnode_modules%2Ffstream%2Flib%2Flink-writer.js;fp=org.simantics.maps.server%2Fnode%2Fnode-v4.8.0-win-x64%2Fnode_modules%2Fnpm%2Fnode_modules%2Ffstream%2Flib%2Flink-writer.js;h=af54284008faa1f2b9f9ead97d1fc9ecc363da40;hb=2529be6d456deeb07c128603ce4971f1dc29b695;hp=0000000000000000000000000000000000000000;hpb=2636fc31c16c23711cf2b06a4ae8537bba9c1d35;p=simantics%2Fdistrict.git diff --git a/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/fstream/lib/link-writer.js b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/fstream/lib/link-writer.js new file mode 100644 index 00000000..af542840 --- /dev/null +++ b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/fstream/lib/link-writer.js @@ -0,0 +1,95 @@ +module.exports = LinkWriter + +var fs = require('graceful-fs') +var Writer = require('./writer.js') +var inherits = require('inherits') +var path = require('path') +var rimraf = require('rimraf') + +inherits(LinkWriter, Writer) + +function LinkWriter (props) { + var self = this + if (!(self instanceof LinkWriter)) { + throw new Error('LinkWriter must be called as constructor.') + } + + // should already be established as a Link type + if (!((props.type === 'Link' && props.Link) || + (props.type === 'SymbolicLink' && props.SymbolicLink))) { + throw new Error('Non-link type ' + props.type) + } + + if (props.linkpath === '') props.linkpath = '.' + if (!props.linkpath) { + self.error('Need linkpath property to create ' + props.type) + } + + Writer.call(this, props) +} + +LinkWriter.prototype._create = function () { + // console.error(" LW _create") + var self = this + var hard = self.type === 'Link' || process.platform === 'win32' + var link = hard ? 'link' : 'symlink' + var lp = hard ? path.resolve(self.dirname, self.linkpath) : self.linkpath + + // can only change the link path by clobbering + // For hard links, let's just assume that's always the case, since + // there's no good way to read them if we don't already know. + if (hard) return clobber(self, lp, link) + + fs.readlink(self._path, function (er, p) { + // only skip creation if it's exactly the same link + if (p && p === lp) return finish(self) + clobber(self, lp, link) + }) +} + +function clobber (self, lp, link) { + rimraf(self._path, function (er) { + if (er) return self.error(er) + create(self, lp, link) + }) +} + +function create (self, lp, link) { + fs[link](lp, self._path, function (er) { + // if this is a hard link, and we're in the process of writing out a + // directory, it's very possible that the thing we're linking to + // doesn't exist yet (especially if it was intended as a symlink), + // so swallow ENOENT errors here and just soldier in. + // Additionally, an EPERM or EACCES can happen on win32 if it's trying + // to make a link to a directory. Again, just skip it. + // A better solution would be to have fs.symlink be supported on + // windows in some nice fashion. + if (er) { + if ((er.code === 'ENOENT' || + er.code === 'EACCES' || + er.code === 'EPERM') && process.platform === 'win32') { + self.ready = true + self.emit('ready') + self.emit('end') + self.emit('close') + self.end = self._finish = function () {} + } else return self.error(er) + } + finish(self) + }) +} + +function finish (self) { + self.ready = true + self.emit('ready') + if (self._ended && !self._finished) self._finish() +} + +LinkWriter.prototype.end = function () { + // console.error("LW finish in end") + this._ended = true + if (this.ready) { + this._finished = true + this._finish() + } +}