Check uid on OpenBSD, NetBSD, FreeBSD before warning about root

Author: n1000

news/10565.bugfix.rst

@@ -0,0 +1 @@
+Only warn about running pip as root on BSD systems if it is actually being run as root

src/pip/_internal/cli/req_command.py

@@ -169,19 +169,18 @@ def warn_if_run_as_root() -> None:
     # On Windows, there are no "system managed" Python packages. Installing as
     # Administrator via pip is the correct way of updating system environments.
     #
-    # We choose sys.platform over utils.compat.WINDOWS here to enable Mypy platform
-    # checks: https://mypy.readthedocs.io/en/stable/common_issues.html
-    if sys.platform == "win32" or sys.platform == "cygwin":
-        return
-    if sys.platform == "darwin" or sys.platform == "linux":
-        if os.getuid() != 0:
-            return
-    logger.warning(
-        "Running pip as the 'root' user can result in broken permissions and "
-        "conflicting behaviour with the system package manager. "
-        "It is recommended to use a virtual environment instead: "
-        "https://pip.pypa.io/warnings/venv"
-    )
+    # Due to this, checking for execution as root is performed only on *nix
+    # style platforms.
+    if (sys.platform == "darwin" or sys.platform == "linux" or
+        sys.platform.startswith("openbsd") or sys.platform.startswith("freebsd") or
+        sys.platform.startswith("netbsd")):
+        if os.getuid() == 0:
+            logger.warning(
+                "Running pip as the 'root' user can result in broken permissions and "
+                "conflicting behaviour with the system package manager. "
+                "It is recommended to use a virtual environment instead: "
+                "https://pip.pypa.io/warnings/venv"
+            )
 
 
 def with_cleanup(func: Any) -> Any: