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From 0000000000000000000000000000000000000000 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] Don't try to unmount /nix or /nix/store
They'll still be remounted read-only.
https://github.com/NixOS/nixos/issues/126
---
src/shared/fstab-util.c | 2 ++
src/shutdown/umount.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/src/shared/fstab-util.c b/src/shared/fstab-util.c
index f683f05981..5a04c2c2a6 100644
--- a/src/shared/fstab-util.c
+++ b/src/shared/fstab-util.c
@@ -40,6 +40,8 @@ bool fstab_is_extrinsic(const char *mount, const char *opts) {
/* Don't bother with the OS data itself */
if (PATH_IN_SET(mount,
"/",
+ "/nix",
+ "/nix/store",
"/usr",
"/etc"))
return true;
diff --git a/src/shutdown/umount.c b/src/shutdown/umount.c
index e650b82170..5d0d41aa28 100644
--- a/src/shutdown/umount.c
+++ b/src/shutdown/umount.c
@@ -522,6 +522,8 @@ static int delete_md(MountPoint *m) {
static bool nonunmountable_path(const char *path) {
return path_equal(path, "/")
+ || path_equal(path, "/nix")
+ || path_equal(path, "/nix/store")
#if ! HAVE_SPLIT_USR
|| path_equal(path, "/usr")
#endif
