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author | talyz <kim.lindberger@gmail.com> | 2019-03-16 12:51:18 +0100 |
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committer | talyz <kim.lindberger@gmail.com> | 2019-03-16 13:01:35 +0100 |
commit | 0eb6d0735f599fa84e99b727c93681bcae96c845 (patch) | |
tree | 54a66d932da1b3cbb9cb14f810ebd3a23799bc04 /nixos/modules/tasks/filesystems.nix | |
parent | 0610d30e5b9920787c0b53a271b0cd1fde66aeb2 (diff) |
filesystems: Add autoResize assertion
Assert that autoResize is only used when fsType is explicitly set to a
supported filesystem: if it's set to "auto", the default, the required
resizing tools won't be copied into the initrd even if the actual
filesystem is supported.
Diffstat (limited to 'nixos/modules/tasks/filesystems.nix')
-rw-r--r-- | nixos/modules/tasks/filesystems.nix | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/nixos/modules/tasks/filesystems.nix b/nixos/modules/tasks/filesystems.nix index 07f8214cea2c..43764bb82f1f 100644 --- a/nixos/modules/tasks/filesystems.nix +++ b/nixos/modules/tasks/filesystems.nix @@ -209,10 +209,17 @@ in assertions = let ls = sep: concatMapStringsSep sep (x: x.mountPoint); + notAutoResizable = fs: fs.autoResize && !(hasPrefix "ext" fs.fsType || fs.fsType == "f2fs"); in [ { assertion = ! (fileSystems' ? "cycle"); message = "The ‘fileSystems’ option can't be topologically sorted: mountpoint dependency path ${ls " -> " fileSystems'.cycle} loops to ${ls ", " fileSystems'.loops}"; } + { assertion = ! (any notAutoResizable fileSystems); + message = let + fs = head (filter notAutoResizable fileSystems); + in + "Mountpoint '${fs.mountPoint}': 'autoResize = true' is not supported for 'fsType = \"${fs.fsType}\"':${if fs.fsType == "auto" then " fsType has to be explicitly set and" else ""} only the ext filesystems and f2fs support it."; + } ]; # Export for use in other modules |