X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=node_modules%2Ffs-extra%2Flib%2Fmove%2Findex.js;fp=node_modules%2Ffs-extra%2Flib%2Fmove%2Findex.js;h=1eb2a14bf586fe77ff3b387afa378509b44f5908;hp=0000000000000000000000000000000000000000;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad diff --git a/node_modules/fs-extra/lib/move/index.js b/node_modules/fs-extra/lib/move/index.js new file mode 100644 index 000000000..1eb2a14bf --- /dev/null +++ b/node_modules/fs-extra/lib/move/index.js @@ -0,0 +1,161 @@ +// most of this code was written by Andrew Kelley +// licensed under the BSD license: see +// https://github.com/andrewrk/node-mv/blob/master/package.json + +// this needs a cleanup + +var fs = require('graceful-fs') +var ncp = require('../copy/ncp') +var path = require('path') +var remove = require('../remove').remove +var mkdirp = require('../mkdirs').mkdirs + +function mv (source, dest, options, callback) { + if (typeof options === 'function') { + callback = options + options = {} + } + + var shouldMkdirp = ('mkdirp' in options) ? options.mkdirp : true + var clobber = ('clobber' in options) ? options.clobber : false + + var limit = options.limit || 16 + + if (shouldMkdirp) { + mkdirs() + } else { + doRename() + } + + function mkdirs () { + mkdirp(path.dirname(dest), function (err) { + if (err) return callback(err) + doRename() + }) + } + + function doRename () { + if (clobber) { + fs.rename(source, dest, function (err) { + if (!err) return callback() + + if (err.code === 'ENOTEMPTY' || err.code === 'EEXIST') { + remove(dest, function (err) { + if (err) return callback(err) + options.clobber = false // just clobbered it, no need to do it again + mv(source, dest, options, callback) + }) + return + } + + // weird Windows shit + if (err.code === 'EPERM') { + setTimeout(function () { + remove(dest, function (err) { + if (err) return callback(err) + options.clobber = false + mv(source, dest, options, callback) + }) + }, 200) + return + } + + if (err.code !== 'EXDEV') return callback(err) + moveAcrossDevice(source, dest, clobber, limit, callback) + }) + } else { + fs.link(source, dest, function (err) { + if (err) { + if (err.code === 'EXDEV' || err.code === 'EISDIR' || err.code === 'EPERM') { + moveAcrossDevice(source, dest, clobber, limit, callback) + return + } + callback(err) + return + } + fs.unlink(source, callback) + }) + } + } +} + +function moveAcrossDevice (source, dest, clobber, limit, callback) { + fs.stat(source, function (err, stat) { + if (err) { + callback(err) + return + } + + if (stat.isDirectory()) { + moveDirAcrossDevice(source, dest, clobber, limit, callback) + } else { + moveFileAcrossDevice(source, dest, clobber, limit, callback) + } + }) +} + +function moveFileAcrossDevice (source, dest, clobber, limit, callback) { + var outFlags = clobber ? 'w' : 'wx' + var ins = fs.createReadStream(source) + var outs = fs.createWriteStream(dest, {flags: outFlags}) + + ins.on('error', function (err) { + ins.destroy() + outs.destroy() + outs.removeListener('close', onClose) + + // may want to create a directory but `out` line above + // creates an empty file for us: See #108 + // don't care about error here + fs.unlink(dest, function () { + // note: `err` here is from the input stream errror + if (err.code === 'EISDIR' || err.code === 'EPERM') { + moveDirAcrossDevice(source, dest, clobber, limit, callback) + } else { + callback(err) + } + }) + }) + + outs.on('error', function (err) { + ins.destroy() + outs.destroy() + outs.removeListener('close', onClose) + callback(err) + }) + + outs.once('close', onClose) + ins.pipe(outs) + + function onClose () { + fs.unlink(source, callback) + } +} + +function moveDirAcrossDevice (source, dest, clobber, limit, callback) { + var options = { + stopOnErr: true, + clobber: false, + limit: limit + } + + function startNcp () { + ncp(source, dest, options, function (errList) { + if (errList) return callback(errList[0]) + remove(source, callback) + }) + } + + if (clobber) { + remove(dest, function (err) { + if (err) return callback(err) + startNcp() + }) + } else { + startNcp() + } +} + +module.exports = { + move: mv +}