bitbake: fetch: Extend testing of subdir unpack parameter and fix

This fixes urls of the form file://some/path/file;subdir=b. It also
adds in a couple of tests so we now tests these corner cases.

(Bitbake rev: 46306912a96444790efa9418d934dfdd36773ba1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/fetch2/__init__.py

@@ -1264,6 +1264,8 @@ class FetchMethod(object):
                     # items.  So, only do so for file:// entries.
                     if urldata.type == "file" and urldata.path.find("/") != -1:
                        destdir = urldata.path.rsplit("/", 1)[0]
+                       if urldata.parm.get('subdir') != None:
+                          destdir = urldata.parm.get('subdir') + "/" + destdir
                     else:
                        if urldata.parm.get('subdir') != None:
                           destdir = urldata.parm.get('subdir')

bitbake/lib/bb/tests/fetch.py

@@ -444,6 +444,13 @@ class FetcherLocalTest(FetcherTest):
         tree = self.fetchUnpack(['file://dir/subdir/e'])
         self.assertEqual(tree, ['dir/subdir/e'])
 
+    def test_local_subdirparam(self):
+        tree = self.fetchUnpack(['file://a;subdir=bar'])
+        self.assertEqual(tree, ['bar/a'])
+
+    def test_local_deepsubdirparam(self):
+        tree = self.fetchUnpack(['file://dir/subdir/e;subdir=bar'])
+        self.assertEqual(tree, ['bar/dir/subdir/e'])
 
 class FetcherNetworkTest(FetcherTest):