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- 'use strict'
- // tar -u
- const hlo = require('./high-level-opt.js')
- const r = require('./replace.js')
- // just call tar.r with the filter and mtimeCache
- module.exports = (opt_, files, cb) => {
- const opt = hlo(opt_)
- if (!opt.file)
- throw new TypeError('file is required')
- if (opt.gzip)
- throw new TypeError('cannot append to compressed archives')
- if (!files || !Array.isArray(files) || !files.length)
- throw new TypeError('no files or directories specified')
- files = Array.from(files)
- mtimeFilter(opt)
- return r(opt, files, cb)
- }
- const mtimeFilter = opt => {
- const filter = opt.filter
- if (!opt.mtimeCache)
- opt.mtimeCache = new Map()
- opt.filter = filter ? (path, stat) =>
- filter(path, stat) && !(opt.mtimeCache.get(path) > stat.mtime)
- : (path, stat) => !(opt.mtimeCache.get(path) > stat.mtime)
- }
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