mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-19 04:02:10 +00:00
41 lines
968 B
Nix
41 lines
968 B
Nix
{ lib, stdenv, buildPackages }:
|
|
|
|
# This function is for creating a flat-file binary cache, i.e. the kind created by
|
|
# nix copy --to file:///some/path and usable as a substituter (with the file:// prefix).
|
|
|
|
# For example, in the Nixpkgs repo:
|
|
# nix-build -E 'with import ./. {}; mkBinaryCache { rootPaths = [hello]; }'
|
|
|
|
{ name ? "binary-cache"
|
|
, rootPaths
|
|
}:
|
|
|
|
stdenv.mkDerivation {
|
|
inherit name;
|
|
|
|
__structuredAttrs = true;
|
|
|
|
exportReferencesGraph.closure = rootPaths;
|
|
|
|
preferLocalBuild = true;
|
|
|
|
PATH = lib.makeBinPath (with buildPackages; [ coreutils jq python3 nix xz ]);
|
|
|
|
builder = builtins.toFile "builder" ''
|
|
. .attrs.sh
|
|
|
|
export out=''${outputs[out]}
|
|
|
|
mkdir $out
|
|
mkdir $out/nar
|
|
|
|
python ${./make-binary-cache.py}
|
|
|
|
# These directories must exist, or Nix might try to create them in LocalBinaryCacheStore::init(),
|
|
# which fails if mounted read-only
|
|
mkdir $out/realisations
|
|
mkdir $out/debuginfo
|
|
mkdir $out/log
|
|
'';
|
|
}
|