lib/copy: added clobber to copyFileSync()

jprichardson · Mar 19, 2015 · a592001 · a592001
1 parent 0bed228
commit a592001
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/lib/copy.js b/lib/copy.js
@@ -6,7 +6,10 @@ var mkdir = require('./mkdir')
 var BUF_LENGTH = 64 * 1024
 var _buff = new Buffer(BUF_LENGTH)
 
-var copyFileSync = function (srcFile, destFile) {
+var copyFileSync = function (srcFile, destFile, clobber) {
+  if (fs.existsSync(destFile) && !clobber)
+    throw Error('EEXIST')
+
   var fdr = fs.openSync(srcFile, 'r')
   var stat = fs.fstatSync(fdr)
   var fdw = fs.openSync(destFile, 'w', stat.mode)
@@ -62,6 +65,9 @@ function copySync (src, dest, options) {
   options = options || {}
   options.recursive = !!options.recursive
 
+  // default to true for now
+  options.clobber = 'clobber' in options ? !!options.clobber : true
+
   options.filter = options.filter || function () { return true }
 
   var stats = options.recursive ? fs.lstatSync(src) : fs.statSync(src)
@@ -75,7 +81,7 @@ function copySync (src, dest, options) {
 
     if (performCopy) {
       if (!destFolderExists) mkdir.mkdirsSync(destFolder)
-      copyFileSync(src, dest)
+      copyFileSync(src, dest, options.clobber)
     }
   } else if (stats.isDirectory()) {
     if (!fs.existsSync(dest)) mkdir.mkdirsSync(dest)