From eb2e798ab01a46a5336067b60db23cfb3307b95f Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Fri, 22 Sep 2017 13:26:07 -0400
Subject: [PATCH] --envs

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>
---
 HISTORY.txt           |  5 +++++
 pipenv/__version__.py |  2 +-
 pipenv/cli.py         | 15 ++++++++++++++-
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/HISTORY.txt b/HISTORY.txt
index 87960808..4652d612 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -1,3 +1,8 @@
+7.5.0:
+ - Deprecate shell -c mode.
+ - Make a new shell --fancy mode (old default mode).
+ - Introduce PIPENV_SHELL_FANCY.
+ - Introduce `pipenv --envs``.
 7.4.9:
  - Improvements to PIPENV_DEFAULT_PYTHON_VERSION.
  - Improvements to auto-suggestions.
diff --git a/pipenv/__version__.py b/pipenv/__version__.py
index 88f37e6b..0675d82e 100644
--- a/pipenv/__version__.py
+++ b/pipenv/__version__.py
@@ -3,4 +3,4 @@
 #  //___/ / / / //___/ / //       //   / /  || / /
 # //       / / //       ((____   //   / /   ||/ /
 
-__version__ = '7.4.9'
+__version__ = '7.5.0'
diff --git a/pipenv/cli.py b/pipenv/cli.py
index 9ba2bdff..9ef4440f 100644
--- a/pipenv/cli.py
+++ b/pipenv/cli.py
@@ -1419,6 +1419,7 @@ def kr_easter_egg(package_name):
 @click.option('--where', is_flag=True, default=False, help="Output project home information.")
 @click.option('--venv', is_flag=True, default=False, help="Output virtualenv information.")
 @click.option('--py', is_flag=True, default=False, help="Output Python interpreter information.")
+@click.option('--envs', is_flag=True, default=False, help="Output Environment Variable Options.")
 @click.option('--rm', is_flag=True, default=False, help="Remove the virtualenv.")
 @click.option('--bare', is_flag=True, default=False, help="Minimal output.")
 @click.option('--three/--two', is_flag=True, default=None, help="Use Python 3/2 when creating virtualenv.")
@@ -1431,7 +1432,7 @@ def kr_easter_egg(package_name):
 def cli(
     ctx, where=False, venv=False, rm=False, bare=False, three=False,
     python=False, help=False, update=False, jumbotron=False, py=False,
-    site_packages=False
+    site_packages=False, envs=False
 ):
 
     if jumbotron:
@@ -1450,6 +1451,18 @@ def cli(
 
         sys.exit()
 
+    if envs:
+        import environments
+        click.echo('The following environment variables can be set, to do various things:\n')
+        for key in environments.__dict__:
+            if key.startswith('PIPENV'):
+                click.echo('  - {0}'.format(crayons.white(key, bold=True)))
+
+        click.echo('\nYou can learn more at:\n   {0}'.format(
+            crayons.green('http://docs.pipenv.org/en/latest/advanced.html#configuration-with-environment-variables')
+        ))
+        sys.exit(0)
+
     if PIPENV_USE_SYSTEM:
         # Only warn if pipenv isn't already active.
         if 'PIPENV_ACTIVE' not in os.environ: