Merged in dirkbaechle/scons (pull request #193), new method rentry_exists_on_disk

2 files changed, 59 insertions, 0 deletions

diff --git a/src/engine/SCons/Node/FS.py b/src/engine/SCons/Node/FS.py
index 219718c..e73dd92 100644
--- a/src/engine/SCons/Node/FS.py
+++ b/src/engine/SCons/Node/FS.py
@@ -1830,6 +1830,12 @@ class Dir(Base):
         return self.tpath + OS_SEP + name
 
     def entry_exists_on_disk(self, name):
+        """ Searches through the file/dir entries of the current
+            directory, and returns True if a physical entry with the given
+            name could be found.
+            
+            @see rentry_exists_on_disk
+        """
         try:
             d = self.on_disk_entries
         except AttributeError:
@@ -1854,6 +1860,33 @@ class Dir(Base):
         else:
             return name in d
 
+    def rentry_exists_on_disk(self, name):
+        """ Searches through the file/dir entries of the current
+            *and* all its remote directories (repos), and returns
+            True if a physical entry with the given name could be found.
+            The local directory (self) gets searched first, so
+            repositories take a lower precedence regarding the
+            searching order.
+            
+            @see entry_exists_on_disk
+        """
+        
+        rentry_exists = self.entry_exists_on_disk(name)
+        if not rentry_exists:
+            # Search through the repository folders
+            norm_name = _my_normcase(name)
+            for rdir in self.get_all_rdirs():
+                try:
+                    node = rdir.entries[norm_name]
+                    if node:
+                        rentry_exists = True
+                        break
+                except KeyError:
+                    if rdir.entry_exists_on_disk(name):
+                        rentry_exists = True
+                        break
+        return rentry_exists
+
     memoizer_counters.append(SCons.Memoize.CountValue('srcdir_list'))
 
     def srcdir_list(self):
diff --git a/src/engine/SCons/Node/FSTests.py b/src/engine/SCons/Node/FSTests.py
index c4dc2ce..0326717 100644
--- a/src/engine/SCons/Node/FSTests.py
+++ b/src/engine/SCons/Node/FSTests.py
@@ -2052,6 +2052,32 @@ class DirTestCase(_tempdirTestCase):
         if os.path.normcase("TeSt") != os.path.normpath("TeSt") or sys.platform == "cygwin":
             assert d.entry_exists_on_disk('case-insensitive')
 
+    def test_rentry_exists_on_disk(self):
+        """Test the Dir.rentry_exists_on_disk() method
+        """
+        test = self.test
+
+        does_not_exist = self.fs.Dir('does_not_exist')
+        assert not does_not_exist.rentry_exists_on_disk('foo')
+
+        test.subdir('d')
+        test.write(['d', 'exists'], "d/exists\n")
+        test.write(['d', 'Case-Insensitive'], "d/Case-Insensitive\n")
+
+        test.subdir('r')
+        test.write(['r', 'rexists'], "r/rexists\n")
+
+        d = self.fs.Dir('d')
+        r = self.fs.Dir('r')
+        d.addRepository(r)
+        
+        assert d.rentry_exists_on_disk('exists')
+        assert d.rentry_exists_on_disk('rexists')
+        assert not d.rentry_exists_on_disk('does_not_exist')
+
+        if os.path.normcase("TeSt") != os.path.normpath("TeSt") or sys.platform == "cygwin":
+            assert d.rentry_exists_on_disk('case-insensitive')
+
     def test_srcdir_list(self):
         """Test the Dir.srcdir_list() method
         """