Bump fs-extra from 9.1.0 to 10.0.0 (#139)

* Bump fs-extra from 9.1.0 to 10.0.0

Bumps [fs-extra](https://github.com/jprichardson/node-fs-extra) from 9.1.0 to 10.0.0.
- [Release notes](https://github.com/jprichardson/node-fs-extra/releases)
- [Changelog](https://github.com/jprichardson/node-fs-extra/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jprichardson/node-fs-extra/compare/9.1.0...10.0.0)

Signed-off-by: dependabot[bot] <support@github.com>

* Update generated content

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: CrazyMax <crazy-max@users.noreply.github.com>

dist/index.js

@@ -2207,18 +2207,6 @@ Tokenizer.prototype.checkChar = function (chr) {
 };
 
 
-/***/ }),
-
-/***/ 5995:
-/***/ ((module) => {
-
-module.exports = r => {
-  const n = process.versions.node.split('.').map(x => parseInt(x, 10))
-  r = r.split('.').map(x => parseInt(x, 10))
-  return n[0] > r[0] || (n[0] === r[0] && (n[1] > r[1] || (n[1] === r[1] && n[2] >= r[2])))
-}
-
-
 /***/ }),
 
 /***/ 3338:
@@ -2248,7 +2236,7 @@ function copySync (src, dest, opts) {
     see https://github.com/jprichardson/node-fs-extra/issues/269`)
   }
 
-  const { srcStat, destStat } = stat.checkPathsSync(src, dest, 'copy')
+  const { srcStat, destStat } = stat.checkPathsSync(src, dest, 'copy', opts)
   stat.checkParentPathsSync(src, srcStat, dest, 'copy')
   return handleFilterAndCopy(destStat, src, dest, opts)
 }
@@ -2257,7 +2245,7 @@ function handleFilterAndCopy (destStat, src, dest, opts) {
   if (opts.filter && !opts.filter(src, dest)) return
   const destParent = path.dirname(dest)
   if (!fs.existsSync(destParent)) mkdirsSync(destParent)
-  return startCopy(destStat, src, dest, opts)
+  return getStats(destStat, src, dest, opts)
 }
 
 function startCopy (destStat, src, dest, opts) {
@@ -2274,6 +2262,9 @@ function getStats (destStat, src, dest, opts) {
            srcStat.isCharacterDevice() ||
            srcStat.isBlockDevice()) return onFile(srcStat, destStat, src, dest, opts)
   else if (srcStat.isSymbolicLink()) return onLink(destStat, src, dest, opts)
+  else if (srcStat.isSocket()) throw new Error(`Cannot copy a socket file: ${src}`)
+  else if (srcStat.isFIFO()) throw new Error(`Cannot copy a FIFO pipe: ${src}`)
+  throw new Error(`Unknown file: ${src}`)
 }
 
 function onFile (srcStat, destStat, src, dest, opts) {
@@ -2326,9 +2317,6 @@ function setDestTimestamps (src, dest) {
 
 function onDir (srcStat, destStat, src, dest, opts) {
   if (!destStat) return mkDirAndCopy(srcStat.mode, src, dest, opts)
-  if (destStat && !destStat.isDirectory()) {
-    throw new Error(`Cannot overwrite non-directory '${dest}' with directory '${src}'.`)
-  }
   return copyDir(src, dest, opts)
 }
 
@@ -2345,7 +2333,7 @@ function copyDir (src, dest, opts) {
 function copyDirItem (item, src, dest, opts) {
   const srcItem = path.join(src, item)
   const destItem = path.join(dest, item)
-  const { destStat } = stat.checkPathsSync(srcItem, destItem, 'copy')
+  const { destStat } = stat.checkPathsSync(srcItem, destItem, 'copy', opts)
   return startCopy(destStat, srcItem, destItem, opts)
 }
 
@@ -2441,7 +2429,7 @@ function copy (src, dest, opts, cb) {
     see https://github.com/jprichardson/node-fs-extra/issues/269`)
   }
 
-  stat.checkPaths(src, dest, 'copy', (err, stats) => {
+  stat.checkPaths(src, dest, 'copy', opts, (err, stats) => {
     if (err) return cb(err)
     const { srcStat, destStat } = stats
     stat.checkParentPaths(src, srcStat, dest, 'copy', err => {
@@ -2456,10 +2444,10 @@ function checkParentDir (destStat, src, dest, opts, cb) {
   const destParent = path.dirname(dest)
   pathExists(destParent, (err, dirExists) => {
     if (err) return cb(err)
-    if (dirExists) return startCopy(destStat, src, dest, opts, cb)
+    if (dirExists) return getStats(destStat, src, dest, opts, cb)
     mkdirs(destParent, err => {
       if (err) return cb(err)
-      return startCopy(destStat, src, dest, opts, cb)
+      return getStats(destStat, src, dest, opts, cb)
     })
   })
 }
@@ -2486,6 +2474,9 @@ function getStats (destStat, src, dest, opts, cb) {
              srcStat.isCharacterDevice() ||
              srcStat.isBlockDevice()) return onFile(srcStat, destStat, src, dest, opts, cb)
     else if (srcStat.isSymbolicLink()) return onLink(destStat, src, dest, opts, cb)
+    else if (srcStat.isSocket()) return cb(new Error(`Cannot copy a socket file: ${src}`))
+    else if (srcStat.isFIFO()) return cb(new Error(`Cannot copy a FIFO pipe: ${src}`))
+    return cb(new Error(`Unknown file: ${src}`))
   })
 }
 
@@ -2557,9 +2548,6 @@ function setDestTimestamps (src, dest, cb) {
 
 function onDir (srcStat, destStat, src, dest, opts, cb) {
   if (!destStat) return mkDirAndCopy(srcStat.mode, src, dest, opts, cb)
-  if (destStat && !destStat.isDirectory()) {
-    return cb(new Error(`Cannot overwrite non-directory '${dest}' with directory '${src}'.`))
-  }
   return copyDir(src, dest, opts, cb)
 }
 
@@ -2589,7 +2577,7 @@ function copyDirItems (items, src, dest, opts, cb) {
 function copyDirItem (items, item, src, dest, opts, cb) {
   const srcItem = path.join(src, item)
   const destItem = path.join(dest, item)
-  stat.checkPaths(srcItem, destItem, 'copy', (err, stats) => {
+  stat.checkPaths(srcItem, destItem, 'copy', opts, (err, stats) => {
     if (err) return cb(err)
     const { destStat } = stats
     startCopy(destStat, srcItem, destItem, opts, err => {
@@ -2668,30 +2656,21 @@ module.exports = {
 "use strict";
 
 
-const u = __webpack_require__(9046).fromCallback
+const u = __webpack_require__(9046).fromPromise
-const fs = __webpack_require__(7758)
+const fs = __webpack_require__(1176)
 const path = __webpack_require__(5622)
 const mkdir = __webpack_require__(8605)
 const remove = __webpack_require__(7357)
 
-const emptyDir = u(function emptyDir (dir, callback) {
+const emptyDir = u(async function emptyDir (dir) {
-  callback = callback || function () {}
+  let items
-  fs.readdir(dir, (err, items) => {
+  try {
-    if (err) return mkdir.mkdirs(dir, callback)
+    items = await fs.readdir(dir)
-
+  } catch {
-    items = items.map(item => path.join(dir, item))
+    return mkdir.mkdirs(dir)
-
-    deleteItem()
-
-    function deleteItem () {
-      const item = items.pop()
-      if (!item) return callback()
-      remove.remove(item, err => {
-        if (err) return callback(err)
-        deleteItem()
-      })
   }
-  })
+
+  return Promise.all(items.map(item => remove.remove(path.join(dir, item))))
 })
 
 function emptyDirSync (dir) {
@@ -2837,6 +2816,7 @@ const path = __webpack_require__(5622)
 const fs = __webpack_require__(7758)
 const mkdir = __webpack_require__(8605)
 const pathExists = __webpack_require__(3835).pathExists
+const { areIdentical } = __webpack_require__(3901)
 
 function createLink (srcpath, dstpath, callback) {
   function makeLink (srcpath, dstpath) {
@@ -2846,14 +2826,13 @@ function createLink (srcpath, dstpath, callback) {
     })
   }
 
-  pathExists(dstpath, (err, destinationExists) => {
+  fs.lstat(dstpath, (_, dstStat) => {
-    if (err) return callback(err)
+    fs.lstat(srcpath, (err, srcStat) => {
-    if (destinationExists) return callback(null)
-    fs.lstat(srcpath, (err) => {
       if (err) {
         err.message = err.message.replace('lstat', 'ensureLink')
         return callback(err)
       }
+      if (dstStat && areIdentical(srcStat, dstStat)) return callback(null)
 
       const dir = path.dirname(dstpath)
       pathExists(dir, (err, dirExists) => {
@@ -2869,11 +2848,14 @@ function createLink (srcpath, dstpath, callback) {
 }
 
 function createLinkSync (srcpath, dstpath) {
-  const destinationExists = fs.existsSync(dstpath)
+  let dstStat
-  if (destinationExists) return undefined
+  try {
+    dstStat = fs.lstatSync(dstpath)
+  } catch {}
 
   try {
-    fs.lstatSync(srcpath)
+    const srcStat = fs.lstatSync(srcpath)
+    if (dstStat && areIdentical(srcStat, dstStat)) return
   } catch (err) {
     err.message = err.message.replace('lstat', 'ensureLink')
     throw err
@@ -3049,7 +3031,7 @@ module.exports = {
 
 const u = __webpack_require__(9046).fromCallback
 const path = __webpack_require__(5622)
-const fs = __webpack_require__(7758)
+const fs = __webpack_require__(1176)
 const _mkdirs = __webpack_require__(8605)
 const mkdirs = _mkdirs.mkdirs
 const mkdirsSync = _mkdirs.mkdirsSync
@@ -3064,13 +3046,26 @@ const symlinkTypeSync = _symlinkType.symlinkTypeSync
 
 const pathExists = __webpack_require__(3835).pathExists
 
+const { areIdentical } = __webpack_require__(3901)
+
 function createSymlink (srcpath, dstpath, type, callback) {
   callback = (typeof type === 'function') ? type : callback
   type = (typeof type === 'function') ? false : type
 
-  pathExists(dstpath, (err, destinationExists) => {
+  fs.lstat(dstpath, (err, stats) => {
-    if (err) return callback(err)
+    if (!err && stats.isSymbolicLink()) {
-    if (destinationExists) return callback(null)
+      Promise.all([
+        fs.stat(srcpath),
+        fs.stat(dstpath)
+      ]).then(([srcStat, dstStat]) => {
+        if (areIdentical(srcStat, dstStat)) return callback(null)
+        _createSymlink(srcpath, dstpath, type, callback)
+      })
+    } else _createSymlink(srcpath, dstpath, type, callback)
+  })
+}
+
+function _createSymlink (srcpath, dstpath, type, callback) {
   symlinkPaths(srcpath, dstpath, (err, relative) => {
     if (err) return callback(err)
     srcpath = relative.toDst
@@ -3087,12 +3082,18 @@ function createSymlink (srcpath, dstpath, type, callback) {
       })
     })
   })
-  })
 }
 
 function createSymlinkSync (srcpath, dstpath, type) {
-  const destinationExists = fs.existsSync(dstpath)
+  let stats
-  if (destinationExists) return undefined
+  try {
+    stats = fs.lstatSync(dstpath)
+  } catch {}
+  if (stats && stats.isSymbolicLink()) {
+    const srcStat = fs.statSync(srcpath)
+    const dstStat = fs.statSync(dstpath)
+    if (areIdentical(srcStat, dstStat)) return
+  }
 
   const relative = symlinkPathsSync(srcpath, dstpath)
   srcpath = relative.toDst
@@ -3165,20 +3166,14 @@ const api = [
   return typeof fs[key] === 'function'
 })
 
-// Export all keys:
+// Export cloned fs:
-Object.keys(fs).forEach(key => {
+Object.assign(exports, fs)
-  if (key === 'promises') {
-    // fs.promises is a getter property that triggers ExperimentalWarning
-    // Don't re-export it here, the getter is defined in "lib/index.js"
-    return
-  }
-  exports[key] = fs[key]
-})
 
 // Universalify async methods:
 api.forEach(method => {
   exports[method] = u(fs[method])
 })
+exports.realpath.native = u(fs.realpath.native)
 
 // We differ from mz/fs in that we still ship the old, broken, fs.exists()
 // since we are a drop-in replacement for the native module
@@ -3242,11 +3237,6 @@ if (typeof fs.writev === 'function') {
   }
 }
 
-// fs.realpath.native only available in Node v9.2+
-if (typeof fs.realpath.native === 'function') {
-  exports.realpath.native = u(fs.realpath.native)
-}
-
 
 /***/ }),
 
@@ -3273,15 +3263,6 @@ module.exports = {
   ...__webpack_require__(7357)
 }
 
-// Export fs.promises as a getter property so that we don't trigger
-// ExperimentalWarning before fs.promises is actually accessed.
-const fs = __webpack_require__(5747)
-if (Object.getOwnPropertyDescriptor(fs, 'promises')) {
-  Object.defineProperty(module.exports, "promises", ({
-    get () { return fs.promises }
-  }))
-}
-
 
 /***/ }),
 
@@ -3393,6 +3374,41 @@ module.exports = {
 /***/ 2751:
 /***/ ((module, __unused_webpack_exports, __webpack_require__) => {
 
+"use strict";
+
+const fs = __webpack_require__(1176)
+const { checkPath } = __webpack_require__(9907)
+
+const getMode = options => {
+  const defaults = { mode: 0o777 }
+  if (typeof options === 'number') return options
+  return ({ ...defaults, ...options }).mode
+}
+
+module.exports.makeDir = async (dir, options) => {
+  checkPath(dir)
+
+  return fs.mkdir(dir, {
+    mode: getMode(options),
+    recursive: true
+  })
+}
+
+module.exports.makeDirSync = (dir, options) => {
+  checkPath(dir)
+
+  return fs.mkdirSync(dir, {
+    mode: getMode(options),
+    recursive: true
+  })
+}
+
+
+/***/ }),
+
+/***/ 9907:
+/***/ ((module, __unused_webpack_exports, __webpack_require__) => {
+
 "use strict";
 // Adapted from https://github.com/sindresorhus/make-dir
 // Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
@@ -3400,15 +3416,11 @@ module.exports = {
 // The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-const fs = __webpack_require__(1176)
 const path = __webpack_require__(5622)
-const atLeastNode = __webpack_require__(5995)
-
-const useNativeRecursiveOption = atLeastNode('10.12.0')
 
 // https://github.com/nodejs/node/issues/8987
 // https://github.com/libuv/libuv/pull/1088
-const checkPath = pth => {
+module.exports.checkPath = function checkPath (pth) {
   if (process.platform === 'win32') {
     const pathHasInvalidWinCharacters = /[<>:"|?*]/.test(pth.replace(path.parse(pth).root, ''))
 
@@ -3420,122 +3432,6 @@ const checkPath = pth => {
   }
 }
 
-const processOptions = options => {
-  const defaults = { mode: 0o777 }
-  if (typeof options === 'number') options = { mode: options }
-  return { ...defaults, ...options }
-}
-
-const permissionError = pth => {
-  // This replicates the exception of `fs.mkdir` with native the
-  // `recusive` option when run on an invalid drive under Windows.
-  const error = new Error(`operation not permitted, mkdir '${pth}'`)
-  error.code = 'EPERM'
-  error.errno = -4048
-  error.path = pth
-  error.syscall = 'mkdir'
-  return error
-}
-
-module.exports.makeDir = async (input, options) => {
-  checkPath(input)
-  options = processOptions(options)
-
-  if (useNativeRecursiveOption) {
-    const pth = path.resolve(input)
-
-    return fs.mkdir(pth, {
-      mode: options.mode,
-      recursive: true
-    })
-  }
-
-  const make = async pth => {
-    try {
-      await fs.mkdir(pth, options.mode)
-    } catch (error) {
-      if (error.code === 'EPERM') {
-        throw error
-      }
-
-      if (error.code === 'ENOENT') {
-        if (path.dirname(pth) === pth) {
-          throw permissionError(pth)
-        }
-
-        if (error.message.includes('null bytes')) {
-          throw error
-        }
-
-        await make(path.dirname(pth))
-        return make(pth)
-      }
-
-      try {
-        const stats = await fs.stat(pth)
-        if (!stats.isDirectory()) {
-          // This error is never exposed to the user
-          // it is caught below, and the original error is thrown
-          throw new Error('The path is not a directory')
-        }
-      } catch {
-        throw error
-      }
-    }
-  }
-
-  return make(path.resolve(input))
-}
-
-module.exports.makeDirSync = (input, options) => {
-  checkPath(input)
-  options = processOptions(options)
-
-  if (useNativeRecursiveOption) {
-    const pth = path.resolve(input)
-
-    return fs.mkdirSync(pth, {
-      mode: options.mode,
-      recursive: true
-    })
-  }
-
-  const make = pth => {
-    try {
-      fs.mkdirSync(pth, options.mode)
-    } catch (error) {
-      if (error.code === 'EPERM') {
-        throw error
-      }
-
-      if (error.code === 'ENOENT') {
-        if (path.dirname(pth) === pth) {
-          throw permissionError(pth)
-        }
-
-        if (error.message.includes('null bytes')) {
-          throw error
-        }
-
-        make(path.dirname(pth))
-        return make(pth)
-      }
-
-      try {
-        if (!fs.statSync(pth).isDirectory()) {
-          // This error is never exposed to the user
-          // it is caught below, and the original error is thrown
-          throw new Error('The path is not a directory')
-        }
-      } catch {
-        throw error
-      }
-    }
-  }
-
-  return make(path.resolve(input))
-}
-
 
 /***/ }),
 
@@ -3569,13 +3465,20 @@ function moveSync (src, dest, opts) {
   opts = opts || {}
   const overwrite = opts.overwrite || opts.clobber || false
 
-  const { srcStat } = stat.checkPathsSync(src, dest, 'move')
+  const { srcStat, isChangingCase = false } = stat.checkPathsSync(src, dest, 'move', opts)
   stat.checkParentPathsSync(src, srcStat, dest, 'move')
-  mkdirpSync(path.dirname(dest))
+  if (!isParentRoot(dest)) mkdirpSync(path.dirname(dest))
-  return doRename(src, dest, overwrite)
+  return doRename(src, dest, overwrite, isChangingCase)
 }
 
-function doRename (src, dest, overwrite) {
+function isParentRoot (dest) {
+  const parent = path.dirname(dest)
+  const parsedPath = path.parse(parent)
+  return parsedPath.root === parent
+}
+
+function doRename (src, dest, overwrite, isChangingCase) {
+  if (isChangingCase) return rename(src, dest, overwrite)
   if (overwrite) {
     removeSync(dest)
     return rename(src, dest, overwrite)
@@ -3643,20 +3546,28 @@ function move (src, dest, opts, cb) {
 
   const overwrite = opts.overwrite || opts.clobber || false
 
-  stat.checkPaths(src, dest, 'move', (err, stats) => {
+  stat.checkPaths(src, dest, 'move', opts, (err, stats) => {
     if (err) return cb(err)
-    const { srcStat } = stats
+    const { srcStat, isChangingCase = false } = stats
     stat.checkParentPaths(src, srcStat, dest, 'move', err => {
       if (err) return cb(err)
+      if (isParentRoot(dest)) return doRename(src, dest, overwrite, isChangingCase, cb)
       mkdirp(path.dirname(dest), err => {
         if (err) return cb(err)
-        return doRename(src, dest, overwrite, cb)
+        return doRename(src, dest, overwrite, isChangingCase, cb)
       })
     })
   })
 }
 
-function doRename (src, dest, overwrite, cb) {
+function isParentRoot (dest) {
+  const parent = path.dirname(dest)
+  const parsedPath = path.parse(parent)
+  return parsedPath.root === parent
+}
+
+function doRename (src, dest, overwrite, isChangingCase, cb) {
+  if (isChangingCase) return rename(src, dest, overwrite, cb)
   if (overwrite) {
     return remove(dest, err => {
       if (err) return cb(err)
@@ -3768,12 +3679,25 @@ module.exports = {
 "use strict";
 
 
+const fs = __webpack_require__(7758)
 const u = __webpack_require__(9046).fromCallback
 const rimraf = __webpack_require__(8761)
 
+function remove (path, callback) {
+  // Node 14.14.0+
+  if (fs.rm) return fs.rm(path, { recursive: true, force: true }, callback)
+  rimraf(path, callback)
+}
+
+function removeSync (path) {
+  // Node 14.14.0+
+  if (fs.rmSync) return fs.rmSync(path, { recursive: true, force: true })
+  rimraf.sync(path)
+}
+
 module.exports = {
-  remove: u(rimraf),
+  remove: u(remove),
-  removeSync: rimraf.sync
+  removeSync
 }
 
 
@@ -4098,27 +4022,28 @@ rimraf.sync = rimrafSync
 const fs = __webpack_require__(1176)
 const path = __webpack_require__(5622)
 const util = __webpack_require__(1669)
-const atLeastNode = __webpack_require__(5995)
 
-const nodeSupportsBigInt = atLeastNode('10.5.0')
+function getStats (src, dest, opts) {
-const stat = (file) => nodeSupportsBigInt ? fs.stat(file, { bigint: true }) : fs.stat(file)
+  const statFunc = opts.dereference
-const statSync = (file) => nodeSupportsBigInt ? fs.statSync(file, { bigint: true }) : fs.statSync(file)
+    ? (file) => fs.stat(file, { bigint: true })
-
+    : (file) => fs.lstat(file, { bigint: true })
-function getStats (src, dest) {
   return Promise.all([
-    stat(src),
+    statFunc(src),
-    stat(dest).catch(err => {
+    statFunc(dest).catch(err => {
       if (err.code === 'ENOENT') return null
       throw err
     })
   ]).then(([srcStat, destStat]) => ({ srcStat, destStat }))
 }
 
-function getStatsSync (src, dest) {
+function getStatsSync (src, dest, opts) {
   let destStat
-  const srcStat = statSync(src)
+  const statFunc = opts.dereference
+    ? (file) => fs.statSync(file, { bigint: true })
+    : (file) => fs.lstatSync(file, { bigint: true })
+  const srcStat = statFunc(src)
   try {
-    destStat = statSync(dest)
+    destStat = statFunc(dest)
   } catch (err) {
     if (err.code === 'ENOENT') return { srcStat, destStat: null }
     throw err
@@ -4126,13 +4051,30 @@ function getStatsSync (src, dest) {
   return { srcStat, destStat }
 }
 
-function checkPaths (src, dest, funcName, cb) {
+function checkPaths (src, dest, funcName, opts, cb) {
-  util.callbackify(getStats)(src, dest, (err, stats) => {
+  util.callbackify(getStats)(src, dest, opts, (err, stats) => {
     if (err) return cb(err)
     const { srcStat, destStat } = stats
-    if (destStat && areIdentical(srcStat, destStat)) {
+
+    if (destStat) {
+      if (areIdentical(srcStat, destStat)) {
+        const srcBaseName = path.basename(src)
+        const destBaseName = path.basename(dest)
+        if (funcName === 'move' &&
+          srcBaseName !== destBaseName &&
+          srcBaseName.toLowerCase() === destBaseName.toLowerCase()) {
+          return cb(null, { srcStat, destStat, isChangingCase: true })
+        }
         return cb(new Error('Source and destination must not be the same.'))
       }
+      if (srcStat.isDirectory() && !destStat.isDirectory()) {
+        return cb(new Error(`Cannot overwrite non-directory '${dest}' with directory '${src}'.`))
+      }
+      if (!srcStat.isDirectory() && destStat.isDirectory()) {
+        return cb(new Error(`Cannot overwrite directory '${dest}' with non-directory '${src}'.`))
+      }
+    }
+
     if (srcStat.isDirectory() && isSrcSubdir(src, dest)) {
       return cb(new Error(errMsg(src, dest, funcName)))
     }
@@ -4140,11 +4082,28 @@ function checkPaths (src, dest, funcName, cb) {
   })
 }
 
-function checkPathsSync (src, dest, funcName) {
+function checkPathsSync (src, dest, funcName, opts) {
-  const { srcStat, destStat } = getStatsSync(src, dest)
+  const { srcStat, destStat } = getStatsSync(src, dest, opts)
-  if (destStat && areIdentical(srcStat, destStat)) {
+
+  if (destStat) {
+    if (areIdentical(srcStat, destStat)) {
+      const srcBaseName = path.basename(src)
+      const destBaseName = path.basename(dest)
+      if (funcName === 'move' &&
+        srcBaseName !== destBaseName &&
+        srcBaseName.toLowerCase() === destBaseName.toLowerCase()) {
+        return { srcStat, destStat, isChangingCase: true }
+      }
       throw new Error('Source and destination must not be the same.')
     }
+    if (srcStat.isDirectory() && !destStat.isDirectory()) {
+      throw new Error(`Cannot overwrite non-directory '${dest}' with directory '${src}'.`)
+    }
+    if (!srcStat.isDirectory() && destStat.isDirectory()) {
+      throw new Error(`Cannot overwrite directory '${dest}' with non-directory '${src}'.`)
+    }
+  }
+
   if (srcStat.isDirectory() && isSrcSubdir(src, dest)) {
     throw new Error(errMsg(src, dest, funcName))
   }
@@ -4159,7 +4118,7 @@ function checkParentPaths (src, srcStat, dest, funcName, cb) {
   const srcParent = path.resolve(path.dirname(src))
   const destParent = path.resolve(path.dirname(dest))
   if (destParent === srcParent || destParent === path.parse(destParent).root) return cb()
-  const callback = (err, destStat) => {
+  fs.stat(destParent, { bigint: true }, (err, destStat) => {
     if (err) {
       if (err.code === 'ENOENT') return cb()
       return cb(err)
@@ -4168,9 +4127,7 @@ function checkParentPaths (src, srcStat, dest, funcName, cb) {
       return cb(new Error(errMsg(src, dest, funcName)))
     }
     return checkParentPaths(src, srcStat, destParent, funcName, cb)
-  }
+  })
-  if (nodeSupportsBigInt) fs.stat(destParent, { bigint: true }, callback)
-  else fs.stat(destParent, callback)
 }
 
 function checkParentPathsSync (src, srcStat, dest, funcName) {
@@ -4179,7 +4136,7 @@ function checkParentPathsSync (src, srcStat, dest, funcName) {
   if (destParent === srcParent || destParent === path.parse(destParent).root) return
   let destStat
   try {
-    destStat = statSync(destParent)
+    destStat = fs.statSync(destParent, { bigint: true })
   } catch (err) {
     if (err.code === 'ENOENT') return
     throw err
@@ -4191,26 +4148,7 @@ function checkParentPathsSync (src, srcStat, dest, funcName) {
 }
 
 function areIdentical (srcStat, destStat) {
-  if (destStat.ino && destStat.dev && destStat.ino === srcStat.ino && destStat.dev === srcStat.dev) {
+  return destStat.ino && destStat.dev && destStat.ino === srcStat.ino && destStat.dev === srcStat.dev
-    if (nodeSupportsBigInt || destStat.ino < Number.MAX_SAFE_INTEGER) {
-      // definitive answer
-      return true
-    }
-    // Use additional heuristics if we can't use 'bigint'.
-    // Different 'ino' could be represented the same if they are >= Number.MAX_SAFE_INTEGER
-    // See issue 657
-    if (destStat.size === srcStat.size &&
-        destStat.mode === srcStat.mode &&
-        destStat.nlink === srcStat.nlink &&
-        destStat.atimeMs === srcStat.atimeMs &&
-        destStat.mtimeMs === srcStat.mtimeMs &&
-        destStat.ctimeMs === srcStat.ctimeMs &&
-        destStat.birthtimeMs === srcStat.birthtimeMs) {
-      // heuristic answer
-      return true
-    }
-  }
-  return false
 }
 
 // return true if dest is a subdir of src, otherwise false.
@@ -4230,7 +4168,8 @@ module.exports = {
   checkPathsSync,
   checkParentPaths,
   checkParentPathsSync,
-  isSrcSubdir
+  isSrcSubdir,
+  areIdentical
 }
 
 

package.json

@@ -24,7 +24,7 @@
     "@actions/core": "^1.2.7",
     "@actions/exec": "^1.0.4",
     "addressparser": "^1.0.1",
-    "fs-extra": "^9.0.1"
+    "fs-extra": "^10.0.0"
   },
   "devDependencies": {
     "@actions/io": "^1.0.2",

yarn.lock

@@ -41,11 +41,6 @@ addressparser@^1.0.1:
   resolved "https://registry.yarnpkg.com/addressparser/-/addressparser-1.0.1.tgz#47afbe1a2a9262191db6838e4fd1d39b40821746"
   integrity sha1-R6++GiqSYhkdtoOOT9HTm0CCF0Y=
 
-at-least-node@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/at-least-node/-/at-least-node-1.0.0.tgz#602cd4b46e844ad4effc92a8011a3c46e0238dc2"
-  integrity sha512-+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg==
-
 commander@^2.19.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
@@ -66,12 +61,11 @@ editorconfig@^0.15.0:
     semver "^5.6.0"
     sigmund "^1.0.1"
 
-fs-extra@^9.0.1:
+fs-extra@^10.0.0:
-  version "9.1.0"
+  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-9.1.0.tgz#5954460c764a8da2094ba3554bf839e6b9a7c86d"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-10.0.0.tgz#9ff61b655dde53fb34a82df84bb214ce802e17c1"
-  integrity sha512-hcg3ZmepS30/7BSFqRvoo3DOMQu7IjqxO5nCDt+zM9XWjb33Wg7ziNT+Qvqbuc3+gWpzO02JubVyk2G4Zvo1OQ==
+  integrity sha512-C5owb14u9eJwizKGdchcDUQeFtlSHHthBk8pbX9Vc1PFZrLombudjDnNns88aYslCyF6IY5SUw3Roz6xShcEIQ==
   dependencies:
-    at-least-node "^1.0.0"
     graceful-fs "^4.2.0"
     jsonfile "^6.0.1"
     universalify "^2.0.0"