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nixos/installer/sd-card: add rootVolumeLabel option (#343003)

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Fernando Rodrigues 2025-08-14 06:10:18 +00:00 committed by GitHub
commit 8e33818f56
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1 changed files with 13 additions and 2 deletions
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15
nixos/modules/installer/sd-card/sd-image.nix
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@ -26,7 +26,7 @@ let
inherit (config.sdImage) storePaths; inherit (config.sdImage) storePaths;
compressImage = config.sdImage.compressImage; compressImage = config.sdImage.compressImage;
populateImageCommands = config.sdImage.populateRootCommands; populateImageCommands = config.sdImage.populateRootCommands;
volumeLabel = "NIXOS_SD"; volumeLabel = config.sdImage.rootVolumeLabel;
} }
// optionalAttrs (config.sdImage.rootPartitionUUID != null) { // optionalAttrs (config.sdImage.rootPartitionUUID != null) {
uuid = config.sdImage.rootPartitionUUID; uuid = config.sdImage.rootPartitionUUID;
@ -117,6 +117,17 @@ in
''; '';
}; };
rootVolumeLabel = mkOption {
type = types.str;
default = "NIXOS_SD";
example = "NIXOS_PENDRIVE";
description = ''
Label for the NixOS root volume.
Usually used when creating a recovery NixOS media installation
that avoids conflicting with previous instalation label.
'';
};
firmwareSize = mkOption { firmwareSize = mkOption {
type = types.int; type = types.int;
# As of 2019-08-18 the Raspberry pi firmware + u-boot takes ~18MiB # As of 2019-08-18 the Raspberry pi firmware + u-boot takes ~18MiB
@ -197,7 +208,7 @@ in
]; ];
}; };
"/" = { "/" = {
device = "/dev/disk/by-label/NIXOS_SD"; device = "/dev/disk/by-label/${config.sdImage.rootVolumeLabel}";
fsType = "ext4"; fsType = "ext4";
}; };
}; };