systemd/0776-core-unset-HOME-that-the-kernel-gives-us.patch

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From 9ba5d8811630a3d2af90fdc52f4fd6b03ee9e692 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Tue, 21 May 2019 19:26:12 +0200
Subject: [PATCH] core: unset HOME=/ that the kernel gives us
Partially fixes #12389.
%h would return "/" in a machine, but "/root" in a container. Let's fix
this by resetting $HOME to the expected value.
(cherry picked from commit 9d48671c62de133a2b9fe7c31e70c0ff8e68f2db)
Resolves: #2056527
---
src/core/main.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/core/main.c b/src/core/main.c
index d897155644..08a4df3c97 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1307,6 +1307,11 @@ static int fixup_environment(void) {
if (setenv("TERM", t, 1) < 0)
return -errno;
+ /* The kernels sets HOME=/ for init. Let's undo this. */
+ if (path_equal_ptr(getenv("HOME"), "/") &&
+ unsetenv("HOME") < 0)
+ log_warning_errno(errno, "Failed to unset $HOME: %m");
+
return 0;
}