From 74bb5d26e232493de43adfa1f4b42b66fd701294 Mon Sep 17 00:00:00 2001
From: Tomas Hrnciar <thrnciar@redhat.com>
Date: Sun, 26 Apr 2020 13:52:24 +0200
Subject: [PATCH] Downstream only patch

Emit a warning to the user if pip install is run with root privileges
Issue upstream: https://github.com/pypa/pip/issues/4288
---
 src/pip/_internal/commands/install.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/pip/_internal/commands/install.py b/src/pip/_internal/commands/install.py
index 70bda2e2..1e750ae1 100644
--- a/src/pip/_internal/commands/install.py
+++ b/src/pip/_internal/commands/install.py
@@ -13,6 +13,8 @@ import operator
 import os
 import shutil
 import site
+import sys
+from os import path
 from optparse import SUPPRESS_HELP, Values
 from typing import Iterable, List, Optional
 
@@ -241,6 +243,23 @@ class InstallCommand(RequirementCommand):
             raise CommandError("Can not combine '--user' and '--target'")
 
         cmdoptions.check_install_build_global(options)
+
+        def is_venv():
+            return (hasattr(sys, 'real_prefix') or
+                    (hasattr(sys, 'base_prefix') and
+                     sys.base_prefix != sys.prefix))
+
+        # Check whether we have root privileges and aren't in venv/virtualenv
+        if os.getuid() == 0 and not is_venv() and not options.root_path:
+            command = path.basename(sys.argv[0])
+            if command == "__main__.py":
+                command = path.basename(sys.executable) + " -m pip"
+            logger.warning(
+                "Running pip install with root privileges is "
+                "generally not a good idea. Try `%s install --user` instead."
+                % command
+            )
+
         upgrade_strategy = "to-satisfy-only"
         if options.upgrade:
             upgrade_strategy = options.upgrade_strategy
-- 
2.23.0