120 lines
4.2 KiB
Nix
120 lines
4.2 KiB
Nix
{ lib
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, callPackage
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, fetchurl
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, fetchgit
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, runCommand
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}:
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{
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# The source directory of the package.
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src
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# The package subdirectory within src.
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# Useful if the package references sibling packages with relative paths.
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, packageRoot ? "."
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# The pubspec.lock file, in attribute set form.
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, pubspecLock
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# Hashes for Git dependencies.
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# Pub does not record these itself, so they must be manually provided.
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, gitHashes ? { }
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# Functions to generate SDK package sources.
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# The function names should match the SDK names, and the package name is given as an argument.
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, sdkSourceBuilders ? { }
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# Functions that create custom package source derivations.
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#
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# The function names should match the package names, and the package version,
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# source, and source files are given in an attribute set argument.
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#
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# The passthru of the source derivation should be propagated.
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, customSourceBuilders ? { }
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}:
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let
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dependencyVersions = builtins.mapAttrs (name: details: details.version) pubspecLock.packages;
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dependencyTypes = {
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"direct main" = "main";
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"direct dev" = "dev";
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"direct overridden" = "overridden";
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"transitive" = "transitive";
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};
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dependencies = lib.foldlAttrs
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(dependencies: name: details: dependencies // { ${dependencyTypes.${details.dependency}} = dependencies.${dependencyTypes.${details.dependency}} ++ [ name ]; })
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(lib.genAttrs (builtins.attrValues dependencyTypes) (dependencyType: [ ]))
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pubspecLock.packages;
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# fetchTarball fails with "tarball contains an unexpected number of top-level files". This is a workaround.
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# https://discourse.nixos.org/t/fetchtarball-with-multiple-top-level-directories-fails/20556
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mkHostedDependencySource = name: details:
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let
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archive = fetchurl {
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name = "pub-${name}-${details.version}.tar.gz";
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url = "${details.description.url}/packages/${details.description.name}/versions/${details.version}.tar.gz";
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sha256 = details.description.sha256;
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};
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in
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runCommand "pub-${name}-${details.version}" { passthru.packageRoot = "."; } ''
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mkdir -p "$out"
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tar xf '${archive}' -C "$out"
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'';
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mkGitDependencySource = name: details: (fetchgit {
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name = "pub-${name}-${details.version}";
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url = details.description.url;
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rev = details.description.resolved-ref;
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hash = gitHashes.${name} or (throw "A Git hash is required for ${name}! Set to an empty string to obtain it.");
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}).overrideAttrs ({ passthru ? { }, ... }: {
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passthru = passthru // {
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packageRoot = details.description.path;
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};
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});
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mkPathDependencySource = name: details:
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assert lib.assertMsg details.description.relative "Only relative paths are supported - ${name} has an absolue path!";
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(if lib.isDerivation src then src else (runCommand "pub-${name}-${details.version}" { } ''cp -r '${src}' "$out"'')).overrideAttrs ({ passthru ? { }, ... }: {
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passthru = passthru // {
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packageRoot = "${packageRoot}/${details.description.path}";
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};
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});
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mkSdkDependencySource = name: details:
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(sdkSourceBuilders.${details.description} or (throw "No SDK source builder has been given for ${details.description}!")) name;
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addDependencySourceUtils = dependencySource: details: dependencySource.overrideAttrs ({ passthru, ... }: {
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passthru = passthru // {
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inherit (details) version;
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};
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});
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sourceBuilders = callPackage ../../../development/compilers/dart/package-source-builders { } // customSourceBuilders;
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dependencySources = lib.filterAttrs (name: src: src != null) (builtins.mapAttrs
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(name: details:
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(sourceBuilders.${name} or ({ src, ... }: src)) {
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inherit (details) version source;
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src = ((addDependencySourceUtils (({
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"hosted" = mkHostedDependencySource;
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"git" = mkGitDependencySource;
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"path" = mkPathDependencySource;
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"sdk" = mkSdkDependencySource;
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}.${details.source} name) details)) details);
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})
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pubspecLock.packages);
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in
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{
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inherit
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# An attribute set of dependency categories to package name lists.
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dependencies
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# An attribute set of package names to their versions.
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dependencyVersions
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# An attribute set of package names to their sources.
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dependencySources;
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}
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