[OE-core] [PATCH 1/2] oe.path: fix copyhardlinktree()

[Joshua Lock]

The change to preserve extended attributes in copytree() and
copyhardlinktree() (e591d69103a40ec4f76d1132a6039d9cb1555103)
resulted in an incorrect cp invocation in copyhardlinktree() when
the source directory contained hidden files.

This was because the passed src was modified in place but some code
paths expected it to remain unmodified from the passed value.
Resolve the issue by constructing a new source string, rather than
modifying the passed in string.

Signed-off-by: Joshua Lock <joshua.g.lock at intel.com>
---
 meta/lib/oe/path.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/meta/lib/oe/path.py b/meta/lib/oe/path.py
index 631c3b4..06a5af2 100644
--- a/meta/lib/oe/path.py
+++ b/meta/lib/oe/path.py
@@ -79,12 +79,15 @@ def copyhardlinktree(src, dst):
         # writers try and create a directory at the same time
         cmd = "cd %s; find . -type d -print | tar --xattrs --xattrs-include='*' -cf - -C %s -p --no-recursion --files-from - | tar --xattrs --xattrs-include='*' -xf - -C %s" % (src, src, dst)
         subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
+        source = ''
         if os.path.isdir(src):
             import glob
             if len(glob.glob('%s/.??*' % src)) > 0:
-                src = src + '/.??* '
-            src = src + '/*'
-        cmd = 'cp -afl --preserve=xattr %s %s' % (src, dst)
+                source = '%s/.??* ' % src
+            source = source + '%s/*' % src
+        else:
+            source = src
+        cmd = 'cp -afl --preserve=xattr %s %s' % (source, dst)
         subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
     else:
         copytree(src, dst)
-- 
2.7.4