nixpkgs/pkgs/top-level/make-tarball.nix
jopejoe1 e6fd126284 tarball: generate packages.json in nix
Instead of using nix-env, let's generate directly in Nix.
This fixes the issue that version and pname contain the wrong information,
as nix-env generates those by splitting name into version and pname
instead of directly using those to attrs.

This would work towards fixing the following issues:
https://github.com/NixOS/nixos-search/issues/770
https://github.com/repology/repology-updater/issues/854
2026-01-09 15:39:05 +01:00

83 lines
2.2 KiB
Nix

{
nixpkgs,
officialRelease,
pkgs ? import nixpkgs.outPath { },
nix ? pkgs.nix,
lib-tests ? import ../../lib/tests/release.nix { inherit pkgs; },
}:
pkgs.releaseTools.sourceTarball {
name = "nixpkgs-tarball";
src = nixpkgs;
inherit officialRelease;
version = pkgs.lib.fileContents ../../.version;
versionSuffix = "pre${
if nixpkgs ? lastModified then
builtins.substring 0 8 (nixpkgs.lastModifiedDate or nixpkgs.lastModified)
else
toString (nixpkgs.revCount or 0)
}.${nixpkgs.shortRev or "dirty"}";
buildInputs = with pkgs; [
nix.out
jq
lib-tests
brotli
];
configurePhase = ''
eval "$preConfigure"
releaseName=nixpkgs-$VERSION$VERSION_SUFFIX
echo -n $VERSION_SUFFIX > .version-suffix
echo -n ${nixpkgs.rev or nixpkgs.shortRev or "dirty"} > .git-revision
echo "release name is $releaseName"
echo "git-revision is $(cat .git-revision)"
'';
dontUnpack = true;
dontBuild = false;
doCheck = true;
checkPhase = ''
echo "generating packages.json"
NIX_STATE_DIR=$TMPDIR NIX_PATH= nix-instantiate --eval --raw --expr "import $src/pkgs/top-level/packages-info.nix {}" | sed "s|$src/||g" | jq -c > packages.json
# Arbitrary number. The index has ~115k packages as of April 2024.
if [ $(jq -r '.packages | length' < packages.json) -lt 100000 ]; then
echo "ERROR: not enough packages in the search index, bailing out!"
exit 1
fi
packages=$out/packages.json.br
mkdir -p $out/nix-support
brotli -9 < packages.json > $packages
echo "file json-br $packages" >> $out/nix-support/hydra-build-products
'';
# --hard-dereference: reproducibility for src if auto-optimise-store = true
# Some context: https://github.com/NixOS/infra/issues/438
distPhase = ''
mkdir -p $out/tarballs
XZ_OPT="-T0" tar \
--create \
--xz \
--file=$out/tarballs/$releaseName.tar.xz \
--absolute-names \
--transform="s|^$src|$releaseName|g" \
--transform="s|^$(pwd)|$releaseName|g" \
--owner=0 \
--group=0 \
--numeric-owner \
--format=gnu \
--sort=name \
--mtime="@$SOURCE_DATE_EPOCH" \
--mode=ug+w \
--hard-dereference \
$src $(pwd)/{.version-suffix,.git-revision}
'';
}