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/opt/alt/alt-nodejs9/root/usr/lib/node_modules/npm/node_modules/pacote/lib/extract-stream.js

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'use strict'

const path = require('path')
const tar = require('tar')

module.exports = extractStream
module.exports._computeMode = computeMode

function computeMode (fileMode, optMode, umask) {
  return (fileMode | optMode) & ~(umask || 0)
}

function extractStream (dest, opts) {
  opts = opts || {}
  const sawIgnores = new Set()
  return tar.x({
    cwd: dest,
    filter: (name, entry) => !entry.header.type.match(/^.*link$/i),
    strip: 1,
    onwarn: msg => opts.log && opts.log.warn('tar', msg),
    uid: opts.uid,
    gid: opts.gid,
    onentry (entry) {
      if (entry.type.toLowerCase() === 'file') {
        entry.mode = computeMode(entry.mode, opts.fmode, opts.umask)
      } else if (entry.type.toLowerCase() === 'directory') {
        entry.mode = computeMode(entry.mode, opts.dmode, opts.umask)
      } else {
        entry.mode = computeMode(entry.mode, 0, opts.umask)
      }

// Note: This mirrors logic in the fs read operations that are
      // employed during tarball creation, in the fstream-npm module.
      // It is duplicated here to handle tarballs that are created
      // using other means, such as system tar or git archive.
      if (entry.type.toLowerCase() === 'file') {
        const base = path.basename(entry.path)
        if (base === '.npmignore') {
          sawIgnores.add(entry.path)
        } else if (base === '.gitignore') {
          const npmignore = entry.path.replace(/\.gitignore$/, '.npmignore')
          if (!sawIgnores.has(npmignore)) {
            // Rename, may be clobbered later.
            entry.path = npmignore
          }
        }
      }
    }
  })
}

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Name	Size	Perms	Modified	Actions
fetchers DIR	-	drwxr-xr-x	2024-03-03 22:42:04	Edit Download recursive recursive
util DIR	-	drwxr-xr-x	2024-03-03 22:42:04	Edit Download recursive recursive
extract-stream.js	1.59 KB	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
fetch.js	1.85 KB	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive
finalize-manifest.js	8.06 KB	lrw-r--r--	2021-09-28 11:28:21	Edit Download recursive recursive

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