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| author | worldofpeace <worldofpeace@protonmail.ch> | 2020-03-27 21:09:07 -0400 |
|---|---|---|
| committer | worldofpeace <worldofpeace@protonmail.ch> | 2020-03-27 21:35:12 -0400 |
| commit | 591e8d5708b5c245d4349479828f4c05a45979e8 (patch) | |
| tree | a8ab04bf6bcbdc04c30dc9e897a3164683679828 | |
| parent | 70a8e9ace9669b9685213e4631879fd2cdd79102 (diff) | |
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iso-image: make sure volumeID is less than 32 chars
| -rw-r--r-- | nixos/modules/installer/cd-dvd/iso-image.nix | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/nixos/modules/installer/cd-dvd/iso-image.nix b/nixos/modules/installer/cd-dvd/iso-image.nix index 58589b6b824..b85f20bb09b 100644 --- a/nixos/modules/installer/cd-dvd/iso-image.nix +++ b/nixos/modules/installer/cd-dvd/iso-image.nix @@ -524,6 +524,19 @@ in }; config = { + assertions = [ + { + assertion = !(stringLength config.isoImage.volumeID > 32); + # https://wiki.osdev.org/ISO_9660#The_Primary_Volume_Descriptor + # Volume Identifier can only be 32 bytes + message = let + length = stringLength config.isoImage.volumeID; + howmany = toString length; + toomany = toString (length - 32); + in + "isoImage.volumeID ${config.isoImage.volumeID} is ${howmany} characters. That is ${toomany} characters longer than the limit of 32."; + } + ]; boot.loader.grub.version = 2; |