Update upstream source from tag 'upstream/3.1.2'

Update to upstream version '3.1.2'
with Debian dir f5c56aaf4dcf94e6b0ac95812d3a673bebc57d09

4 files changed, 13 insertions, 13 deletions

diff --git a/engine/SCons/Node/Alias.py b/engine/SCons/Node/Alias.py
index 302a704..5c62677 100644
--- a/engine/SCons/Node/Alias.py
+++ b/engine/SCons/Node/Alias.py
@@ -30,7 +30,7 @@ This creates a hash of global Aliases (dummy targets).
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-__revision__ = "src/engine/SCons/Node/Alias.py 72ae09dc35ac2626f8ff711d8c4b30b6138e08e3 2019-08-08 14:50:06 bdeegan"
+__revision__ = "src/engine/SCons/Node/Alias.py bee7caf9defd6e108fc2998a2520ddb36a967691 2019-12-17 02:07:09 bdeegan"
 
 import collections
 
diff --git a/engine/SCons/Node/FS.py b/engine/SCons/Node/FS.py
index 0d903de..65d1ac1 100644
--- a/engine/SCons/Node/FS.py
+++ b/engine/SCons/Node/FS.py
@@ -33,7 +33,7 @@ that can be used by scripts or modules looking for the canonical default.
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 from __future__ import print_function
 
-__revision__ = "src/engine/SCons/Node/FS.py 72ae09dc35ac2626f8ff711d8c4b30b6138e08e3 2019-08-08 14:50:06 bdeegan"
+__revision__ = "src/engine/SCons/Node/FS.py bee7caf9defd6e108fc2998a2520ddb36a967691 2019-12-17 02:07:09 bdeegan"
 
 import fnmatch
 import os
@@ -963,14 +963,14 @@ class Entry(Base):
 
     def disambiguate(self, must_exist=None):
         """
-        """
-        if self.isdir():
-            self.__class__ = Dir
-            self._morph()
-        elif self.isfile():
+        """ 
+        if self.isfile():
             self.__class__ = File
             self._morph()
             self.clear()
+        elif self.isdir():
+            self.__class__ = Dir
+            self._morph()
         else:
             # There was nothing on-disk at this location, so look in
             # the src directory.
diff --git a/engine/SCons/Node/Python.py b/engine/SCons/Node/Python.py
index 8726332..ec23b3f 100644
--- a/engine/SCons/Node/Python.py
+++ b/engine/SCons/Node/Python.py
@@ -27,7 +27,7 @@ Python nodes.
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-__revision__ = "src/engine/SCons/Node/Python.py 72ae09dc35ac2626f8ff711d8c4b30b6138e08e3 2019-08-08 14:50:06 bdeegan"
+__revision__ = "src/engine/SCons/Node/Python.py bee7caf9defd6e108fc2998a2520ddb36a967691 2019-12-17 02:07:09 bdeegan"
 
 import SCons.Node
 
diff --git a/engine/SCons/Node/__init__.py b/engine/SCons/Node/__init__.py
index c1f8d89..32f4bba 100644
--- a/engine/SCons/Node/__init__.py
+++ b/engine/SCons/Node/__init__.py
@@ -43,7 +43,7 @@ from __future__ import print_function
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-__revision__ = "src/engine/SCons/Node/__init__.py 72ae09dc35ac2626f8ff711d8c4b30b6138e08e3 2019-08-08 14:50:06 bdeegan"
+__revision__ = "src/engine/SCons/Node/__init__.py bee7caf9defd6e108fc2998a2520ddb36a967691 2019-12-17 02:07:09 bdeegan"
 
 import os
 import collections
@@ -614,6 +614,7 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
         self._func_rexists = 1
         self._func_get_contents = 0
         self._func_target_from_source = 0
+        self.ninfo = None
 
         self.clear_memoized_values()
 
@@ -1131,11 +1132,10 @@ class Node(object, with_metaclass(NoSlotsPyPy)):
         return ninfo
 
     def get_ninfo(self):
-        try:
-            return self.ninfo
-        except AttributeError:
-            self.ninfo = self.new_ninfo()
+        if self.ninfo is not None:
             return self.ninfo
+        self.ninfo = self.new_ninfo()
+        return self.ninfo
 
     def new_binfo(self):
         binfo = self.BuildInfo()