From 7708cd8445e0bc18beb4cc09d21ec4a773b4b8d3 Mon Sep 17 00:00:00 2001
From: Frost Ming <mianghong@gmail.com>
Date: Sat, 3 Aug 2019 10:43:24 +0800
Subject: [PATCH] Pass lock options to outdated

---
 news/3879.bugfix.rst                    |  1 +
 pipenv/cli/command.py                   |  2 +-
 pipenv/core.py                          |  5 ++---
 tests/integration/test_cli.py           | 13 +++++++++++++
 tests/integration/test_install_basic.py | 11 ++++++++++-
 5 files changed, 27 insertions(+), 5 deletions(-)
 create mode 100644 news/3879.bugfix.rst

diff --git a/news/3879.bugfix.rst b/news/3879.bugfix.rst
new file mode 100644
index 00000000..95413ca5
--- /dev/null
+++ b/news/3879.bugfix.rst
@@ -0,0 +1 @@
+Pass ``--pre`` and ``--clear`` options to ``pipenv update --outdated``.
diff --git a/pipenv/cli/command.py b/pipenv/cli/command.py
index c2cd2e49..3fa6b611 100644
--- a/pipenv/cli/command.py
+++ b/pipenv/cli/command.py
@@ -484,7 +484,7 @@ def update(
     if not outdated:
         outdated = bool(dry_run)
     if outdated:
-        do_outdated(pypi_mirror=state.pypi_mirror)
+        do_outdated(clear=state.clear, pre=state.installstate.pre, pypi_mirror=state.pypi_mirror)
     packages = [p for p in state.installstate.packages if p]
     editable = [p for p in state.installstate.editables if p]
     if not packages:
diff --git a/pipenv/core.py b/pipenv/core.py
index 0637c225..67a45197 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -1767,12 +1767,11 @@ def do_py(system=False):
         click.echo(crayons.red("No project found!"))
 
 
-def do_outdated(pypi_mirror=None):
+def do_outdated(pypi_mirror=None, pre=False, clear=False):
     # TODO: Allow --skip-lock here?
     from .vendor.requirementslib.models.requirements import Requirement
     from .vendor.requirementslib.models.utils import get_version
     from .vendor.packaging.utils import canonicalize_name
-    from .vendor.vistir.compat import Mapping
     from collections import namedtuple
 
     packages = {}
@@ -1789,7 +1788,7 @@ def do_outdated(pypi_mirror=None):
         dep = Requirement.from_line(str(result.as_requirement()))
         packages.update(dep.as_pipfile())
     updated_packages = {}
-    lockfile = do_lock(write=False, pypi_mirror=pypi_mirror)
+    lockfile = do_lock(clear=clear, pre=pre, write=False, pypi_mirror=pypi_mirror)
     for section in ("develop", "default"):
         for package in lockfile[section]:
             try:
diff --git a/tests/integration/test_cli.py b/tests/integration/test_cli.py
index 1ee9f64a..4d930fc3 100644
--- a/tests/integration/test_cli.py
+++ b/tests/integration/test_cli.py
@@ -265,3 +265,16 @@ def test_pipenv_three(PipenvInstance):
         c = p.pipenv('--three')
         assert c.return_code == 0
         assert 'Successfully created virtual environment' in c.err
+
+
+@pytest.mark.outdated
+def test_pipenv_outdated_prerelease(PipenvInstance):
+    with PipenvInstance(chdir=True) as p:
+        with open(p.pipfile_path, "w") as f:
+            contents = """
+[packages]
+sqlalchemy = "==1.2.0b3"
+            """.strip()
+            f.write(contents)
+        c = p.pipenv('update --pre --outdated')
+        assert c.return_code == 0
diff --git a/tests/integration/test_install_basic.py b/tests/integration/test_install_basic.py
index 80ccdf0e..f42b8f3f 100644
--- a/tests/integration/test_install_basic.py
+++ b/tests/integration/test_install_basic.py
@@ -7,7 +7,6 @@ import pytest
 from flaky import flaky
 
 from pipenv._compat import Path, TemporaryDirectory
-from pipenv.project import Project
 from pipenv.utils import temp_environ
 from pipenv.vendor import delegator
 
@@ -475,3 +474,13 @@ extras = ["socks"]
         assert 'six = {version = "*"}' in contents
         assert 'requests = {version = "*"' in contents
         assert 'plette = "*"' in contents
+
+
+@pytest.mark.install
+def test_install_prerelease(PipenvInstance):
+    with PipenvInstance(chdir=True) as p:
+        c = p.pipenv("install sqlalchemy==1.2.0b3")
+        assert c.return_code != 0
+        c = p.pipenv("install --pre sqlalchemy==1.2.0b3")
+        assert c.return_code == 0
+        assert p.lockfile["default"]["sqlalchemy"]["version"] == "1.2.0b3"