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61 lines
1.5 KiB
61 lines
1.5 KiB
'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 mkdir = require('../mkdirs') |
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const pathExists = require('../path-exists').pathExists |
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function createLink (srcpath, dstpath, callback) { |
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function makeLink (srcpath, dstpath) { |
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fs.link(srcpath, dstpath, err => { |
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if (err) return callback(err) |
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callback(null) |
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}) |
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} |
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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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fs.lstat(srcpath, (err) => { |
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if (err) { |
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err.message = err.message.replace('lstat', 'ensureLink') |
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return callback(err) |
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} |
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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 makeLink(srcpath, dstpath) |
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mkdir.mkdirs(dir, err => { |
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if (err) return callback(err) |
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makeLink(srcpath, dstpath) |
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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 createLinkSync (srcpath, dstpath) { |
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const destinationExists = fs.existsSync(dstpath) |
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if (destinationExists) return undefined |
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try { |
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fs.lstatSync(srcpath) |
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} catch (err) { |
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err.message = err.message.replace('lstat', 'ensureLink') |
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throw err |
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} |
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const dir = path.dirname(dstpath) |
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const dirExists = fs.existsSync(dir) |
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if (dirExists) return fs.linkSync(srcpath, dstpath) |
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mkdir.mkdirsSync(dir) |
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return fs.linkSync(srcpath, dstpath) |
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} |
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module.exports = { |
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createLink: u(createLink), |
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createLinkSync |
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}
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