nixpkgs-suyu/pkgs/os-specific/linux/systemd/0008-Don-t-try-to-unmount-nix-or-nix-store.patch

From 0112df74e576dd683c132ec33861b7099dc94454 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 12 Apr 2013 13:16:57 +0200
Subject: [PATCH 8/9] Don't try to unmount /nix or /nix/store

They'll still be remounted read-only.

https://github.com/NixOS/nixos/issues/126
---
 src/core/umount.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/umount.c b/src/core/umount.c
index 1e95ad7..9f0e471 100644
--- a/src/core/umount.c
+++ b/src/core/umount.c
@@ -435,6 +435,8 @@ static int mount_points_list_umount(MountPoint **head, bool *changed, bool log_e
                  * anyway, since we are running from it. They have
                  * already been remounted ro. */
                 if (path_equal(m->path, "/")
+                    || path_equal(m->path, "/nix")
+                    || path_equal(m->path, "/nix/store")
 #ifndef HAVE_SPLIT_USR
                     || path_equal(m->path, "/usr")
 #endif
-- 
1.8.2.1