Allows to copy symlinks to DUTs with testimage

index 4f79d15..eedc4d7 100644
@@ -18,6 +18,7 @@ from oeqa.utils import CommandError
 from oeqa.utils import ftools
 import re
 import contextlib
+import shutil
 # Export test doesn't require bb
 try:
     import bb

@@ -273,3 +274,11 @@ def updateEnv(env_file):
     for line in result.output.split("\0"):
         (key, _, value) = line.partition("=")
         os.environ[key] = value
+
+def oeqa_copy(src, dst):
+    """
+    Copy files and symlinks trying to preserve metadata.
+    """
+
+    shutil.copy2(src, dst, follow_symlinks=False)
+

index 15fa470..4d2641b 100644
@@ -47,6 +47,7 @@ def exportTests(d,tc):
     import shutil
     import pkgutil
     import re
+    from oeqa.utils.commands import oeqa_copy
 
     exportpath = d.getVar("TEST_EXPORT_DIR", True)
 

@@ -132,27 +133,12 @@ def exportTests(d,tc):
     create_tarball(d, "testexport.tar.gz", d.getVar("TEST_EXPORT_DIR", True))
 
     # Copy packages needed for runtime testing
-    export_pkg_dir = os.path.join(d.getVar("TEST_EXPORT_DIR", True), "packages")
     test_pkg_dir = d.getVar("TEST_NEEDED_PACKAGES_DIR", True)
-    need_pkg_dir = False
-    for root, subdirs, files in os.walk(test_pkg_dir):
-        for subdir in subdirs:
-            tmp_dir = os.path.join(root.replace(test_pkg_dir, "").lstrip("/"), subdir)
-            new_dir = os.path.join(export_pkg_dir, tmp_dir)
-            bb.utils.mkdirhier(new_dir)
-
-        for f in files:
-            need_pkg_dir = True
-            src_f = os.path.join(root, f)
-            dst_f = os.path.join(export_pkg_dir, root.replace(test_pkg_dir, "").lstrip("/"), f)
-            shutil.copy2(src_f, dst_f)
-
-    if need_pkg_dir:
+    if os.listdir(test_pkg_dir):
+        export_pkg_dir = os.path.join(d.getVar("TEST_EXPORT_DIR", True), "packages")
+        shutil.copytree(test_pkg_dir, export_pkg_dir, copy_function=oeqa_copy)
         # Create tar file for packages needed by the DUT
         create_tarball(d, "testexport_packages_%s.tar.gz" % d.getVar("MACHINE", True), export_pkg_dir)
-    else:
-        # Remov packages dir from exported test
-        bb.utils.remove(export_pkg_dir, True)
 
     # Copy SDK
     if d.getVar("TEST_EXPORT_SDK_ENABLED", True) == "1":

index e63ca56..bb6b908 100644
@@ -26,6 +26,7 @@ try:
     import oeqa.sdkext
 except ImportError:
     pass
+from oeqa.utils.commands import oeqa_copy
 from oeqa.utils.decorators import LogResults, gettag, getResults
 from oeqa.utils import avoid_paths_in_environ
 

@@ -447,6 +448,8 @@ class RuntimeTestContext(TestContext):
         modules = self.getTestModules()
         bbpaths = self.d.getVar("BBPATH", True).split(":")
 
+        shutil.rmtree(self.d.getVar("TEST_EXTRACTED_DIR", True))
+        shutil.rmtree(self.d.getVar("TEST_PACKAGED_DIR", True))
         for module in modules:
             json_file = self._getJsonFile(module)
             if json_file:

@@ -481,13 +484,18 @@ class RuntimeTestContext(TestContext):
                     dst_dir = os.path.join(packaged_path)
 
                 # Extract package and copy it to TEST_EXTRACTED_DIR
-                if extract and not os.path.exists(dst_dir):
-                    pkg_dir = self._extract_in_tmpdir(pkg)
-                    shutil.copytree(pkg_dir, dst_dir)
+                pkg_dir = self._extract_in_tmpdir(pkg)
+                if extract:
+
+                    # Same package used for more than one test,
+                    # don't need to extract again.
+                    if os.path.exists(dst_dir):
+                        continue
+                    shutil.copytree(pkg_dir, dst_dir, copy_function=oeqa_copy)
                     shutil.rmtree(pkg_dir)
 
                 # Copy package to TEST_PACKAGED_DIR
-                elif not extract:
+                else:
                     self._copy_package(pkg)
 
     def _getJsonFile(self, module):

index f5d46e0..da485ee 100644
@@ -147,8 +147,13 @@ class SSHControl(object):
         return self._internal_run(command, timeout, self.ignore_status)
 
     def copy_to(self, localpath, remotepath):
-        command = self.scp + [localpath, '%s@%s:%s' % (self.user, self.ip, remotepath)]
-        return self._internal_run(command, ignore_status=False)
+        if os.path.islink(localpath):
+            link = os.readlink(localpath)
+            dst_dir, dst_base = os.path.split(remotepath)
+            return self.run("cd %s; ln -s %s %s" % (dst_dir, link, dst_base))
+        else:
+            command = self.scp + [localpath, '%s@%s:%s' % (self.user, self.ip, remotepath)]
+            return self._internal_run(command, ignore_status=False)
 
     def copy_from(self, remotepath, localpath):
         command = self.scp + ['%s@%s:%s' % (self.user, self.ip, remotepath), localpath]