30 lines
843 B
Nix
30 lines
843 B
Nix
{ runCommand, nix, jq, path }:
|
|
let
|
|
map-squash = ./map-squash.nix;
|
|
|
|
mkSquashfsManifest = { name, storeContents }:
|
|
runCommand "${name}-squashfs-manifests" {
|
|
buildInputs = [ nix jq ];
|
|
requiredSystemFeatures = [ "recursive-nix" ];
|
|
exportReferencesGraph = [ "root" storeContents ];
|
|
NIX_PATH = "nixpkgs=${path}";
|
|
outputs = [ "out" "manifest" ];
|
|
} ''
|
|
cat root | grep /nix/store | sort | uniq | jq -R . | jq -s . > paths.json
|
|
nix-build ${map-squash} --arg pathsJson ./paths.json
|
|
|
|
touch $out
|
|
for f in $(cat result); do
|
|
find "$f" -type f >> $out
|
|
done
|
|
|
|
touch $manifest
|
|
for f in $(cat "$out"); do
|
|
prefix=$(echo "$f" | head -c20)
|
|
suffix=$(echo "$f" | tail -c+21)
|
|
echo "$prefix $suffix" >> $manifest
|
|
done
|
|
'';
|
|
in
|
|
mkSquashfsManifest
|