Avoid lchown requirement

git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup/trunk@630 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

2 files changed, 10 insertions, 1 deletions

diff --git a/rdiff-backup/rdiff_backup/cmodule.c b/rdiff-backup/rdiff_backup/cmodule.c
index f6a44a3..5fc61e0 100644
--- a/rdiff-backup/rdiff_backup/cmodule.c
+++ b/rdiff-backup/rdiff_backup/cmodule.c
@@ -371,6 +371,7 @@ static PyObject *acl_unquote(PyObject *self, PyObject *args)
 /* ------------- lchown taken from Python's posixmodule.c -------------- */
 /* duplicate here to avoid v2.3 requirement */
 
+#ifdef HAVE_LCHOWN
 static PyObject *
 posix_error_with_allocated_filename(char* name)
 {
@@ -398,6 +399,7 @@ posix_lchown(PyObject *self, PyObject *args)
 	Py_INCREF(Py_None);
 	return Py_None;
 }
+#endif /* HAVE_LCHOWN */
 
 /* ------------- Python export lists -------------------------------- */
 
@@ -411,8 +413,10 @@ static PyMethodDef CMethods[] = {
    "Quote string, escaping non-printables"},
   {"acl_unquote", acl_unquote, METH_VARARGS,
    "Unquote string, producing original input to quote"},
+#ifdef HAVE_LCHOWN
   {"lchown", posix_lchown, METH_VARARGS,
    "Like chown, but don't follow symlinks"},
+#endif /* HAVE_LCHOWN */
   {NULL, NULL, 0, NULL}
 };
 
diff --git a/rdiff-backup/rdiff_backup/rpath.py b/rdiff-backup/rdiff_backup/rpath.py
index aa411a0..b9e84ca 100644
--- a/rdiff-backup/rdiff_backup/rpath.py
+++ b/rdiff-backup/rdiff_backup/rpath.py
@@ -782,7 +782,12 @@ class RPath(RORPath):
 
 	def chown(self, uid, gid):
 		"""Set file's uid and gid"""
-		self.conn.C.lchown(self.path, uid, gid)
+		if self.issym():
+			try: self.conn.C.lchown(self.path, uid, gid)
+			except AttributeError:
+				log.Log("Warning: lchown missing, cannot change ownership "
+						"of symlink " + self.path, 2)
+		else: os.chown(self.path, uid, gid)
 		self.data['uid'] = uid
 		self.data['gid'] = gid