fix(extract-stream): miscellaneous post-test fixes

lib/extract-stream.js

@@ -7,12 +7,30 @@ var tar = require('tar-fs')
 
 module.exports = extractStream
 function extractStream (dest, opts) {
+  opts = opts || {}
+  var sawIgnores = {}
   return pipeline(gunzip(), tar.extract(dest, {
     map: function (header) {
       if (process.platform !== 'win32') {
         header.uid = opts.uid == null ? header.uid : opts.uid
         header.gid = opts.gid == null ? header.gid : opts.gid
       }
+      // 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 (header.type === 'file') {
+        var base = path.basename(header.name)
+        if (base === '.npmignore') {
+          sawIgnores[header.name] = true
+        } else if (base === '.gitignore') {
+          var npmignore = header.name.replace(/\.gitignore$/, '.npmignore')
+          if (!sawIgnores[npmignore]) {
+            // Rename, may be clobbered later.
+            header.name = npmignore
+          }
+        }
+      }
       return header
     },
     ignore: makeIgnore(opts.log),
@@ -31,36 +49,15 @@ function makeIgnore (log) {
 }
 
 function _ignore (name, header, sawIgnores, logger) {
-  if (header.type.match(/^.*Link$/)) {
+  if (header.type.match(/^.*link$/)) {
     if (logger) {
       logger.warn(
         'extract-stream',
         'excluding symbolic link',
-        header.path, '->', header.linkname)
+        header.name, '->', header.linkname)
     }
     return true
   }
 
-  // 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 (header.type === 'File') {
-    var base = path.basename(header.path)
-    if (base === '.npmignore') {
-      sawIgnores[header.path] = true
-    } else if (base === '.gitignore') {
-      var npmignore = header.path.replace(/\.gitignore$/, '.npmignore')
-      if (sawIgnores[npmignore]) {
-        // Skip this one, already seen.
-        return true
-      } else {
-        // Rename, may be clobbered later.
-        header.path = npmignore
-        header._path = npmignore
-      }
-    }
-  }
-
   return false
 }