ignore: use use_dvcignore flag (#4274)

Author: efiop

dvc/ignore.py

@@ -131,14 +131,16 @@ def __init__(self, tree, root_dir):
         self.ignores_trie_tree[root_dir] = DvcIgnorePatterns(
             default_ignore_patterns, root_dir
         )
-        for root, dirs, _ in self.tree.walk(self.root_dir):
+        for root, dirs, _ in self.tree.walk(
+            self.root_dir, use_dvcignore=False
+        ):
             self._update(root)
             self._update_sub_repo(root, dirs)
             dirs[:], _ = self(root, dirs, [])
 
     def _update(self, dirname):
         ignore_file_path = os.path.join(dirname, DvcIgnore.DVCIGNORE_FILE)
-        if self.tree.exists(ignore_file_path):
+        if self.tree.exists(ignore_file_path, use_dvcignore=False):
             new_pattern = DvcIgnorePatterns.from_files(
                 ignore_file_path, self.tree
             )

dvc/tree/git.py

@@ -46,12 +46,8 @@ def dvcignore(self):
         from dvc.ignore import DvcIgnoreFilter, DvcIgnoreFilterNoop
 
         root = self.dvcignore_root or self.tree_root
-        if not self.use_dvcignore:
-            return DvcIgnoreFilterNoop(self, root)
-        self.use_dvcignore = False
-        ret = DvcIgnoreFilter(self, root)
-        self.use_dvcignore = True
-        return ret
+        cls = DvcIgnoreFilter if self.use_dvcignore else DvcIgnoreFilterNoop
+        return cls(self, root)
 
     def open(
         self, path, mode="r", encoding="utf-8"
@@ -160,7 +156,7 @@ def _walk(self, tree, topdown=True):
         if not topdown:
             yield os.path.normpath(tree.abspath), dirs, nondirs
 
-    def walk(self, top, topdown=True, onerror=None):
+    def walk(self, top, topdown=True, onerror=None, use_dvcignore=True):
         """Directory tree generator.
 
         See `os.walk` for the docs. Differences:
@@ -178,9 +174,10 @@ def walk(self, top, topdown=True, onerror=None):
             return
 
         for root, dirs, files in self._walk(tree, topdown=topdown):
-            dirs[:], files[:] = self.dvcignore(
-                os.path.abspath(root), dirs, files
-            )
+            if use_dvcignore:
+                dirs[:], files[:] = self.dvcignore(
+                    os.path.abspath(root), dirs, files
+                )
             yield root, dirs, files
 
     def isexec(self, path):

dvc/tree/local.py

@@ -58,12 +58,8 @@ def dvcignore(self):
         from dvc.ignore import DvcIgnoreFilter, DvcIgnoreFilterNoop
 
         root = self.dvcignore_root or self.tree_root
-        if not self.use_dvcignore:
-            return DvcIgnoreFilterNoop(self, root)
-        self.use_dvcignore = False
-        ret = DvcIgnoreFilter(self, root)
-        self.use_dvcignore = True
-        return ret
+        cls = DvcIgnoreFilter if self.use_dvcignore else DvcIgnoreFilterNoop
+        return cls(self, root)
 
     @staticmethod
     def open(path_info, mode="r", encoding=None):
@@ -101,7 +97,7 @@ def iscopy(self, path_info):
             System.is_symlink(path_info) or System.is_hardlink(path_info)
         )
 
-    def walk(self, top, topdown=True, onerror=None):
+    def walk(self, top, topdown=True, onerror=None, use_dvcignore=True):
         """Directory tree generator.
 
         See `os.walk` for the docs. Differences:
@@ -110,9 +106,10 @@ def walk(self, top, topdown=True, onerror=None):
         for root, dirs, files in os.walk(
             top, topdown=topdown, onerror=onerror
         ):
-            dirs[:], files[:] = self.dvcignore(
-                os.path.abspath(root), dirs, files
-            )
+            if use_dvcignore:
+                dirs[:], files[:] = self.dvcignore(
+                    os.path.abspath(root), dirs, files
+                )
 
             yield os.path.normpath(root), dirs, files