Revert "feat: Write CACHEDIR.TAG file (#2803)"

This reverts commit be19526.

Author: gaborbernat

docs/changelog/2803.feature.rst

@@ -4,7 +4,6 @@
 import logging
 import os
 import sys
-import textwrap
 from abc import ABC, abstractmethod
 from argparse import ArgumentTypeError
 from ast import literal_eval
@@ -158,31 +157,10 @@ def run(self):
             LOGGER.debug("delete %s", self.dest)
             safe_delete(self.dest)
         self.create()
-        self.add_cachedir_tag()
         self.set_pyenv_cfg()
         if not self.no_vcs_ignore:
             self.setup_ignore_vcs()
 
-    def add_cachedir_tag(self):
-        """
-        Add a Cache Directory Tag file "CACHEDIR.TAG".
-
-        The CACHEDIR.TAG file is used by various tools to mark
-        a directory as cache, so that it can be handled differently.
-        Some backup tools look for this file to exclude the directory.
-
-        See https://bford.info/cachedir/ for more details.
-        """
-        cachedir_tag_file = self.dest / "CACHEDIR.TAG"
-        if not cachedir_tag_file.exists():
-            cachedir_tag_text = textwrap.dedent("""
-                Signature: 8a477f597d28d172789f06886806bc55
-                # This file is a cache directory tag created by Python virtualenv.
-                # For information about cache directory tags, see:
-                #   http://www.brynosaurus.com/cachedir/
-            """).strip()
-            cachedir_tag_file.write_text(cachedir_tag_text, encoding="utf-8")
-
     def set_pyenv_cfg(self):
         self.pyenv_cfg.content = OrderedDict()
         self.pyenv_cfg["home"] = os.path.dirname(os.path.abspath(self.interpreter.system_executable))

src/virtualenv/create/creator.py

@@ -11,7 +11,6 @@
 import stat
 import subprocess
 import sys
-import textwrap
 import zipfile
 from collections import OrderedDict
 from itertools import product
@@ -224,34 +223,6 @@ def list_to_str(iterable):
     assert git_ignore.splitlines() == [comment, "*"]
 
 
-def test_create_cachedir_tag(tmp_path):
-    cachedir_tag_file = tmp_path / "CACHEDIR.TAG"
-    cli_run([str(tmp_path), "--without-pip", "--activators", ""])
-    assert (
-        cachedir_tag_file.read_text(encoding="utf-8")
-        == textwrap.dedent("""
-    Signature: 8a477f597d28d172789f06886806bc55
-    # This file is a cache directory tag created by Python virtualenv.
-    # For information about cache directory tags, see:
-    #   http://www.brynosaurus.com/cachedir/
-    """).strip()
-    )
-
-
-def test_create_cachedir_tag_exists(tmp_path):
-    cachedir_tag_file = tmp_path / "CACHEDIR.TAG"
-    cachedir_tag_file.write_text("magic", encoding="utf-8")
-    cli_run([str(tmp_path), "--without-pip", "--activators", ""])
-    assert cachedir_tag_file.read_text(encoding="utf-8") == "magic"
-
-
-def test_create_cachedir_tag_exists_override(tmp_path):
-    cachedir_tag_file = tmp_path / "CACHEDIR.TAG"
-    cachedir_tag_file.write_text("magic", encoding="utf-8")
-    cli_run([str(tmp_path), "--without-pip", "--activators", ""])
-    assert cachedir_tag_file.read_text(encoding="utf-8") == "magic"
-
-
 def test_create_vcs_ignore_exists(tmp_path):
     git_ignore = tmp_path / ".gitignore"
     git_ignore.write_text("magic", encoding="utf-8")