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sdImage: make partition ID/UUID configurable

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This commit is contained in:
Andrew Dunham
2018-07-06 20:59:19 -07:00
committed by Tuomas Tynkkynen
parent 99670bbb91
commit d7bfd04301
2 changed files with 24 additions and 3 deletions
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3
nixos/lib/make-ext4-fs.nix
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@@ -5,6 +5,7 @@
{ pkgs
, storePaths
, volumeLabel
, uuid ? "44444444-4444-4444-8888-888888888888"
}:
let
@@ -32,7 +33,7 @@ pkgs.stdenv.mkDerivation {
echo "Creating an EXT4 image of $bytes bytes (numInodes=$numInodes, numDataBlocks=$numDataBlocks)"
truncate -s $bytes $out
faketime -f "1970-01-01 00:00:01" mkfs.ext4 -L ${volumeLabel} -U 44444444-4444-4444-8888-888888888888 $out
faketime -f "1970-01-01 00:00:01" mkfs.ext4 -L ${volumeLabel} -U ${uuid} $out
# Populate the image contents by piping a bunch of commands to the `debugfs` tool from e2fsprogs.
# For example, to copy /nix/store/abcd...efg-coreutils-8.23/bin/sleep: