From e5b2b1e90d055068936336f6f01639bcde251b96 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 02/18] 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 b19127be09..f9adca1100 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 8a5e80eeaa..fab35ed6f3 100644
--- a/src/shutdown/umount.c
+++ b/src/shutdown/umount.c
@@ -414,6 +414,8 @@ static int delete_dm(dev_t devnum) {
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
--
2.26.2
