Show only default env list for tox config by default (#2726)

5 files changed, 13 insertions, 21 deletions

diff --git a/docs/changelog/2726.bugfix.rst b/docs/changelog/2726.bugfix.rst
new file mode 100644
index 00000000..a6fde490
--- /dev/null
+++ b/docs/changelog/2726.bugfix.rst
@@ -0,0 +1 @@
+``tox config`` should only show :ref:`env_list` arguments by default instead of ``ALL`` - by :user:`gaborbernat`.
diff --git a/src/tox/session/cmd/show_config.py b/src/tox/session/cmd/show_config.py
index 82181e3c..b00d30ee 100644
--- a/src/tox/session/cmd/show_config.py
+++ b/src/tox/session/cmd/show_config.py
@@ -32,10 +32,10 @@ def tox_add_option(parser: ToxParser) -> None:
     our.add_argument(
         "--core",
         action="store_true",
-        help="show core options too when selecting an env with -e",
+        help="show core options (by default is hidden unless -e ALL is passed)",
         dest="show_core",
     )
-    register_env_select_flags(our, default=CliEnv("ALL"))
+    register_env_select_flags(our, default=CliEnv())
     env_run_create_flags(our, mode="config")
 
 
diff --git a/tests/config/test_main.py b/tests/config/test_main.py
index cff7d2f4..25c07740 100644
--- a/tests/config/test_main.py
+++ b/tests/config/test_main.py
@@ -88,15 +88,8 @@ def test_args_are_paths_when_with_change_dir(tox_project: ToxProjectCreator) ->
 
 def test_relative_config_paths_resolve(tox_project: ToxProjectCreator) -> None:
     project = tox_project({"tox.ini": "[tox]"})
-    result = project.run(
-        "c",
-        "-c",
-        str(Path(project.path.name) / "tox.ini"),
-        "-k",
-        "change_dir",
-        "env_dir",
-        from_cwd=project.path.parent,
-    )
+    ini = str(Path(project.path.name) / "tox.ini")
+    result = project.run("c", "-c", ini, "-k", "change_dir", "env_dir", from_cwd=project.path.parent)
     result.assert_success()
-    expected = f"[testenv:py]\nchange_dir = {project.path}\nenv_dir = {project.path / '.tox' / 'py'}\n\n[tox]\n"
+    expected = f"[testenv:py]\nchange_dir = {project.path}\nenv_dir = {project.path / '.tox' / 'py'}\n"
     assert result.out == expected
diff --git a/tests/session/cmd/test_show_config.py b/tests/session/cmd/test_show_config.py
index cf2e719a..d4fa3b37 100644
--- a/tests/session/cmd/test_show_config.py
+++ b/tests/session/cmd/test_show_config.py
@@ -129,10 +129,9 @@ def test_show_config_pkg_env_once(
     patch_prev_py: Callable[[bool], tuple[str, str]],
 ) -> None:
     prev_ver, impl = patch_prev_py(True)
-    project = tox_project(
-        {"tox.ini": f"[tox]\nenv_list=py{prev_ver},py\n[testenv]\npackage=wheel", "pyproject.toml": ""},
-    )
-    result = project.run("c")
+    ini = f"[tox]\nenv_list=py{prev_ver},py\n[testenv]\npackage=wheel"
+    project = tox_project({"tox.ini": ini, "pyproject.toml": ""})
+    result = project.run("c", "-e", "ALL")
     result.assert_success()
     parser = ConfigParser(interpolation=None)
     parser.read_string(result.out)
@@ -145,10 +144,9 @@ def test_show_config_pkg_env_skip(
     patch_prev_py: Callable[[bool], tuple[str, str]],
 ) -> None:
     prev_ver, impl = patch_prev_py(False)
-    project = tox_project(
-        {"tox.ini": f"[tox]\nenv_list=py{prev_ver},py\n[testenv]\npackage=wheel", "pyproject.toml": ""},
-    )
-    result = project.run("c")
+    ini = f"[tox]\nenv_list=py{prev_ver},py\n[testenv]\npackage=wheel"
+    project = tox_project({"tox.ini": ini, "pyproject.toml": ""})
+    result = project.run("c", "-e", "ALL")
     result.assert_success()
     parser = ConfigParser(interpolation=None)
     parser.read_string(result.out)
diff --git a/tests/tox_env/test_tox_env_api.py b/tests/tox_env/test_tox_env_api.py
index 70097443..65623b73 100644
--- a/tests/tox_env/test_tox_env_api.py
+++ b/tests/tox_env/test_tox_env_api.py
@@ -87,7 +87,7 @@ def test_tox_env_pass_env_fails_on_whitespace(tox_project: ToxProjectCreator) ->
     result.assert_success()
     msg = (
         '[testenv:py]\npass_env = # Exception: Fail("pass_env values cannot contain whitespace, use comma to have '
-        f'multiple values in a single line, invalid values found {first!r}, {second!r}")\n\n[tox]\n'
+        f'multiple values in a single line, invalid values found {first!r}, {second!r}")\n'
     )
     assert result.out == msg