forked from zhurui/management
64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
'use strict'
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const u = require('universalify').fromCallback
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const path = require('path')
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const fs = require('graceful-fs')
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const _mkdirs = require('../mkdirs')
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const mkdirs = _mkdirs.mkdirs
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const mkdirsSync = _mkdirs.mkdirsSync
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const _symlinkPaths = require('./symlink-paths')
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const symlinkPaths = _symlinkPaths.symlinkPaths
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const symlinkPathsSync = _symlinkPaths.symlinkPathsSync
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const _symlinkType = require('./symlink-type')
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const symlinkType = _symlinkType.symlinkType
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const symlinkTypeSync = _symlinkType.symlinkTypeSync
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const pathExists = require('../path-exists').pathExists
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function createSymlink (srcpath, dstpath, type, callback) {
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callback = (typeof type === 'function') ? type : callback
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type = (typeof type === 'function') ? false : type
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pathExists(dstpath, (err, destinationExists) => {
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if (err) return callback(err)
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if (destinationExists) return callback(null)
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symlinkPaths(srcpath, dstpath, (err, relative) => {
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if (err) return callback(err)
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srcpath = relative.toDst
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symlinkType(relative.toCwd, type, (err, type) => {
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if (err) return callback(err)
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const dir = path.dirname(dstpath)
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pathExists(dir, (err, dirExists) => {
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if (err) return callback(err)
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if (dirExists) return fs.symlink(srcpath, dstpath, type, callback)
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mkdirs(dir, err => {
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if (err) return callback(err)
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fs.symlink(srcpath, dstpath, type, callback)
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})
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})
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})
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})
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})
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}
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function createSymlinkSync (srcpath, dstpath, type) {
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const destinationExists = fs.existsSync(dstpath)
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if (destinationExists) return undefined
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const relative = symlinkPathsSync(srcpath, dstpath)
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srcpath = relative.toDst
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type = symlinkTypeSync(relative.toCwd, type)
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const dir = path.dirname(dstpath)
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const exists = fs.existsSync(dir)
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if (exists) return fs.symlinkSync(srcpath, dstpath, type)
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mkdirsSync(dir)
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return fs.symlinkSync(srcpath, dstpath, type)
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}
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module.exports = {
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createSymlink: u(createSymlink),
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createSymlinkSync
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}
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