1 files changed, 88 insertions, 0 deletions
diff --git a/deps/npm/node_modules/cacache/node_modules/chownr/chownr.js b/deps/npm/node_modules/cacache/node_modules/chownr/chownr.js
new file mode 100644
index 0000000000..7e63928827
--- /dev/null
+++ b/deps/npm/node_modules/cacache/node_modules/chownr/chownr.js
@@ -0,0 +1,88 @@
+'use strict'
+const fs = require('fs')
+const path = require('path')
+
+/* istanbul ignore next */
+const LCHOWN = fs.lchown ? 'lchown' : 'chown'
+/* istanbul ignore next */
+const LCHOWNSYNC = fs.lchownSync ? 'lchownSync' : 'chownSync'
+
+// fs.readdir could only accept an options object as of node v6
+const nodeVersion = process.version
+let readdir = (path, options, cb) => fs.readdir(path, options, cb)
+let readdirSync = (path, options) => fs.readdirSync(path, options)
+/* istanbul ignore next */
+if (/^v4\./.test(nodeVersion))
+  readdir = (path, options, cb) => fs.readdir(path, cb)
+
+const chownrKid = (p, child, uid, gid, cb) => {
+  if (typeof child === 'string')
+    return fs.lstat(path.resolve(p, child), (er, stats) => {
+      if (er)
+        return cb(er)
+      stats.name = child
+      chownrKid(p, stats, uid, gid, cb)
+    })
+
+  if (child.isDirectory()) {
+    chownr(path.resolve(p, child.name), uid, gid, er => {
+      if (er)
+        return cb(er)
+      fs[LCHOWN](path.resolve(p, child.name), uid, gid, cb)
+    })
+  } else
+    fs[LCHOWN](path.resolve(p, child.name), uid, gid, cb)
+}
+
+
+const chownr = (p, uid, gid, cb) => {
+  readdir(p, { withFileTypes: true }, (er, children) => {
+    // any error other than ENOTDIR or ENOTSUP means it's not readable,
+    // or doesn't exist.  give up.
+    if (er && er.code !== 'ENOTDIR' && er.code !== 'ENOTSUP')
+      return cb(er)
+    if (er || !children.length) return fs[LCHOWN](p, uid, gid, cb)
+
+    let len = children.length
+    let errState = null
+    const then = er => {
+      if (errState) return
+      if (er) return cb(errState = er)
+      if (-- len === 0) return fs[LCHOWN](p, uid, gid, cb)
+    }
+
+    children.forEach(child => chownrKid(p, child, uid, gid, then))
+  })
+}
+
+const chownrKidSync = (p, child, uid, gid) => {
+  if (typeof child === 'string') {
+    const stats = fs.lstatSync(path.resolve(p, child))
+    stats.name = child
+    child = stats
+  }
+
+  if (child.isDirectory())
+    chownrSync(path.resolve(p, child.name), uid, gid)
+
+  fs[LCHOWNSYNC](path.resolve(p, child.name), uid, gid)
+}
+
+const chownrSync = (p, uid, gid) => {
+  let children
+  try {
+    children = readdirSync(p, { withFileTypes: true })
+  } catch (er) {
+    if (er && er.code === 'ENOTDIR' && er.code !== 'ENOTSUP')
+      return fs[LCHOWNSYNC](p, uid, gid)
+    throw er
+  }
+
+  if (children.length)
+    children.forEach(child => chownrKidSync(p, child, uid, gid))
+
+  return fs[LCHOWNSYNC](p, uid, gid)
+}
+
+module.exports = chownr
+chownr.sync = chownrSync