46 lines
1.7 KiB
Diff
46 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Raito Bezarius <masterancpp@gmail.com>
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Date: Mon, 19 Jun 2023 02:11:35 +0200
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Subject: [PATCH] Don't try to unmount /nix or /nix/store
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They'll still be remounted read-only.
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https://github.com/NixOS/nixos/issues/126
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Original-Author: Eelco Dolstra <eelco.dolstra@logicblox.com>
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---
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src/shared/fstab-util.c | 2 ++
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src/shutdown/umount.c | 6 ++++--
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2 files changed, 6 insertions(+), 2 deletions(-)
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diff --git a/src/shared/fstab-util.c b/src/shared/fstab-util.c
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index d6a256c4a7..f74d5198f1 100644
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--- a/src/shared/fstab-util.c
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+++ b/src/shared/fstab-util.c
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@@ -66,6 +66,8 @@ bool fstab_is_extrinsic(const char *mount, const char *opts) {
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/* Don't bother with the OS data itself */
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if (PATH_IN_SET(mount,
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"/",
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+ "/nix",
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+ "/nix/store",
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"/usr",
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"/etc"))
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return true;
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diff --git a/src/shutdown/umount.c b/src/shutdown/umount.c
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index 4bc01c75e0..ede9ac7b87 100644
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--- a/src/shutdown/umount.c
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+++ b/src/shutdown/umount.c
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@@ -170,8 +170,10 @@ int mount_points_list_get(const char *mountinfo, MountPoint **head) {
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static bool nonunmountable_path(const char *path) {
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assert(path);
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- return PATH_IN_SET(path, "/", "/usr") ||
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- path_startswith(path, "/run/initramfs");
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+ return PATH_IN_SET(path, "/", "/usr")
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+ || path_equal(path, "/nix")
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+ || path_equal(path, "/nix/store")
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+ || path_startswith(path, "/run/initramfs");
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}
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static void log_umount_blockers(const char *mnt) {
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