Fix pipenv --clear is not working (#3354)

Fix pipenv --clear is not working

Co-authored-by: Dan Ryan <dan@danryan.co>

news/3353.bugfix

@@ -0,0 +1 @@
+Fix a bug where pipenv --clear is not working

pipenv/cli/command.py

@@ -62,18 +62,15 @@ def cli(
     state,
     where=False,
     venv=False,
-    rm=False,
-    bare=False,
-    three=False,
-    python=False,
-    help=False,
     py=False,
     envs=False,
-    man=False,
+    rm=False,
+    bare=False,
     completion=False,
-    pypi_mirror=None,
+    man=False,
     support=None,
-    clear=False,
+    help=False,
+    site_packages=False,
     **kwargs
 ):
     # Handle this ASAP to make shell startup fast.
@@ -143,10 +140,9 @@ def cli(
             get_pipenv_diagnostics()
             return 0
         # --clear was passed…
-        elif clear:
+        elif state.clear:
             do_clear()
             return 0
-
         # --venv was passed…
         elif venv:
             # There is no virtualenv yet.

tests/integration/test_cli.py

@@ -235,3 +235,19 @@ def test_check_unused(PipenvInstance, pypi):
         c = p.pipenv('check --unused .')
         assert 'tablib' not in c.out
         assert 'flask' not in c.out
+
+
+@pytest.mark.cli
+def test_pipenv_clear(PipenvInstance):
+    with PipenvInstance() as p:
+        c = p.pipenv('--clear')
+        assert c.return_code == 0
+        assert 'Clearing caches' in c.out
+
+
+@pytest.mark.cli
+def test_pipenv_three(PipenvInstance):
+    with PipenvInstance() as p:
+        c = p.pipenv('--three')
+        assert c.return_code == 0
+        assert 'Successfully created virtual environment' in c.err