Files
clan-core/lib/flakes.nix
DavHau 828e97775a lib: mkOfflineFlakeLock init
copied from the clan-core-flake module

I plan to re-use this function to improve the clan test framework to allow cli execution
2025-06-09 15:23:09 +07:00

41 lines
1.2 KiB
Nix

{
lib,
clan-core,
...
}:
{
# A flake lock for offline use.
# All flake inputs are locked to an existing store path
mkOfflineFlakeLock =
flakePath:
let
flakeLock = lib.importJSON (flakePath + "/flake.lock");
flakeInputs = builtins.removeAttrs clan-core.inputs [ "self" ];
inputsToPaths =
flakeLock:
flakeLock
// {
nodes =
flakeLock.nodes
// (lib.flip lib.mapAttrs flakeInputs (
name: _:
# remove follows and let 'nix flake lock' re-compute it later
# (lib.removeAttrs flakeLock.nodes.${name} ["inputs"])
flakeLock.nodes.${name}
// {
locked = {
inherit (flakeLock.nodes.${name}.locked) narHash;
lastModified =
# lol, nixpkgs has a different timestamp on the fs???
if name == "nixpkgs" then 0 else 1;
path = "${clan-core.inputs.${name}}";
type = "path";
};
}
));
};
lockAttrs = inputsToPaths flakeLock;
in
builtins.toFile "offline-flake.lock" (builtins.toJSON lockAttrs);
}