1 files changed, 42 insertions, 0 deletions
diff --git a/pkgs/os-specific/linux/systemd/0002-Don-t-try-to-unmount-nix-or-nix-store.patch b/pkgs/os-specific/linux/systemd/0002-Don-t-try-to-unmount-nix-or-nix-store.patch
new file mode 100644
index 00000000000..4f94cb465d4
--- /dev/null
+++ b/pkgs/os-specific/linux/systemd/0002-Don-t-try-to-unmount-nix-or-nix-store.patch
@@ -0,0 +1,42 @@
+From bdd3ff777dd8253ff5732118dd6de0fa9a9b95fe 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/core/mount.c      | 2 ++
+ src/shutdown/umount.c | 2 ++
+ 2 files changed, 4 insertions(+)
+
+diff --git a/src/core/mount.c b/src/core/mount.c
+index 1c4aefd734..a5553226f8 100644
+--- a/src/core/mount.c
++++ b/src/core/mount.c
+@@ -412,6 +412,8 @@ static bool mount_is_extrinsic(Mount *m) {
+ 
+         if (PATH_IN_SET(m->where,  /* Don't bother with the OS data itself */
+                         "/",       /* (strictly speaking redundant: should already be covered by the perpetual flag check above) */
++                        "/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
+