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Cargo.nix
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Cargo.nix
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# This file was @generated by crate2nix 0.14.0 with the command:
# "generate"
# See https://github.com/kolloch/crate2nix for more info.
{ nixpkgs ? <nixpkgs>
, pkgs ? import nixpkgs { config = {}; }
, lib ? pkgs.lib
, stdenv ? pkgs.stdenv
, buildRustCrateForPkgs ? pkgs: pkgs.buildRustCrate
# This is used as the `crateOverrides` argument for `buildRustCrate`.
, defaultCrateOverrides ? pkgs.defaultCrateOverrides
# The features to enable for the root_crate or the workspace_members.
, rootFeatures ? [ "default" ]
# If true, throw errors instead of issueing deprecation warnings.
, strictDeprecation ? false
# Used for conditional compilation based on CPU feature detection.
, targetFeatures ? []
# Whether to perform release builds: longer compile times, faster binaries.
, release ? true
# Additional crate2nix configuration if it exists.
, crateConfig
? if builtins.pathExists ./crate-config.nix
then pkgs.callPackage ./crate-config.nix {}
else {}
}:
rec {
#
# "public" attributes that we attempt to keep stable with new versions of crate2nix.
#
rootCrate = rec {
packageId = "glot_languages";
# Use this attribute to refer to the derivation building your root crate package.
# You can override the features with rootCrate.build.override { features = [ "default" "feature1" ... ]; }.
build = internal.buildRustCrateWithFeatures {
inherit packageId;
};
# Debug support which might change between releases.
# File a bug if you depend on any for non-debug work!
debug = internal.debugCrate { inherit packageId; };
};
# Refer your crate build derivation by name here.
# You can override the features with
# workspaceMembers."${crateName}".build.override { features = [ "default" "feature1" ... ]; }.
workspaceMembers = {
"glot_languages" = rec {
packageId = "glot_languages";
build = internal.buildRustCrateWithFeatures {
packageId = "glot_languages";
};
# Debug support which might change between releases.
# File a bug if you depend on any for non-debug work!
debug = internal.debugCrate { inherit packageId; };
};
};
# A derivation that joins the outputs of all workspace members together.
allWorkspaceMembers = pkgs.symlinkJoin {
name = "all-workspace-members";
paths =
let members = builtins.attrValues workspaceMembers;
in builtins.map (m: m.build) members;
};
#
# "internal" ("private") attributes that may change in every new version of crate2nix.
#
internal = rec {
# Build and dependency information for crates.
# Many of the fields are passed one-to-one to buildRustCrate.
#
# Noteworthy:
# * `dependencies`/`buildDependencies`: similar to the corresponding fields for buildRustCrate.
# but with additional information which is used during dependency/feature resolution.
# * `resolvedDependencies`: the selected default features reported by cargo - only included for debugging.
# * `devDependencies` as of now not used by `buildRustCrate` but used to
# inject test dependencies into the build
crates = {
"glot_languages" = rec {
crateName = "glot_languages";
version = "0.1.0";
edition = "2021";
crateBin = [
{
name = "glot_languages";
path = "src/main.rs";
requiredFeatures = [ ];
}
];
# We can't filter paths with references in Nix 2.4
# See https://github.com/NixOS/nix/issues/5410
src = if ((lib.versionOlder builtins.nixVersion "2.4pre20211007") || (lib.versionOlder "2.5" builtins.nixVersion ))
then lib.cleanSourceWith { filter = sourceFilter; src = ./.; }
else ./.;
dependencies = [
{
name = "maud";
packageId = "maud";
}
{
name = "serde";
packageId = "serde";
features = [ "derive" ];
}
{
name = "serde_json";
packageId = "serde_json";
}
];
};
"itoa" = rec {
crateName = "itoa";
version = "1.0.11";
edition = "2018";
sha256 = "0nv9cqjwzr3q58qz84dcz63ggc54yhf1yqar1m858m1kfd4g3wa9";
authors = [
"David Tolnay <dtolnay@gmail.com>"
];
features = {
"no-panic" = [ "dep:no-panic" ];
};
};
"maud" = rec {
crateName = "maud";
version = "0.26.0";
edition = "2021";
sha256 = "1amw5r3w4v9z2grr2cf90aca9x1244gv18gzvp6qjhkb05sqnlfz";
authors = [
"Chris Wong <lambda.fairy@gmail.com>"
];
dependencies = [
{
name = "itoa";
packageId = "itoa";
}
{
name = "maud_macros";
packageId = "maud_macros";
}
];
features = {
"actix-web" = [ "actix-web-dep" "futures-util" ];
"actix-web-dep" = [ "dep:actix-web-dep" ];
"axum" = [ "axum-core" "http" ];
"axum-core" = [ "dep:axum-core" ];
"futures-util" = [ "dep:futures-util" ];
"http" = [ "dep:http" ];
"rocket" = [ "dep:rocket" ];
"tide" = [ "dep:tide" ];
"warp" = [ "dep:warp" ];
};
resolvedDefaultFeatures = [ "default" ];
};
"maud_macros" = rec {
crateName = "maud_macros";
version = "0.26.0";
edition = "2021";
sha256 = "062f4w3367x1la8j6wkvv5ga9hxmsdw5kz0idfps1391xhw34igs";
procMacro = true;
authors = [
"Chris Wong <lambda.fairy@gmail.com>"
];
dependencies = [
{
name = "proc-macro-error";
packageId = "proc-macro-error";
usesDefaultFeatures = false;
}
{
name = "proc-macro2";
packageId = "proc-macro2";
}
{
name = "quote";
packageId = "quote";
}
{
name = "syn";
packageId = "syn";
}
];
};
"memchr" = rec {
crateName = "memchr";
version = "2.7.4";
edition = "2021";
sha256 = "18z32bhxrax0fnjikv475z7ii718hq457qwmaryixfxsl2qrmjkq";
authors = [
"Andrew Gallant <jamslam@gmail.com>"
"bluss"
];
features = {
"compiler_builtins" = [ "dep:compiler_builtins" ];
"core" = [ "dep:core" ];
"default" = [ "std" ];
"logging" = [ "dep:log" ];
"rustc-dep-of-std" = [ "core" "compiler_builtins" ];
"std" = [ "alloc" ];
"use_std" = [ "std" ];
};
resolvedDefaultFeatures = [ "alloc" "std" ];
};
"proc-macro-error" = rec {
crateName = "proc-macro-error";
version = "1.0.4";
edition = "2018";
sha256 = "1373bhxaf0pagd8zkyd03kkx6bchzf6g0dkwrwzsnal9z47lj9fs";
authors = [
"CreepySkeleton <creepy-skeleton@yandex.ru>"
];
dependencies = [
{
name = "proc-macro-error-attr";
packageId = "proc-macro-error-attr";
}
{
name = "proc-macro2";
packageId = "proc-macro2";
}
{
name = "quote";
packageId = "quote";
}
];
buildDependencies = [
{
name = "version_check";
packageId = "version_check";
}
];
features = {
"default" = [ "syn-error" ];
"syn" = [ "dep:syn" ];
"syn-error" = [ "syn" ];
};
};
"proc-macro-error-attr" = rec {
crateName = "proc-macro-error-attr";
version = "1.0.4";
edition = "2018";
sha256 = "0sgq6m5jfmasmwwy8x4mjygx5l7kp8s4j60bv25ckv2j1qc41gm1";
procMacro = true;
authors = [
"CreepySkeleton <creepy-skeleton@yandex.ru>"
];
dependencies = [
{
name = "proc-macro2";
packageId = "proc-macro2";
}
{
name = "quote";
packageId = "quote";
}
];
buildDependencies = [
{
name = "version_check";
packageId = "version_check";
}
];
};
"proc-macro2" = rec {
crateName = "proc-macro2";
version = "1.0.86";
edition = "2021";
sha256 = "0xrv22p8lqlfdf1w0pj4si8n2ws4aw0kilmziwf0vpv5ys6rwway";
libName = "proc_macro2";
authors = [
"David Tolnay <dtolnay@gmail.com>"
"Alex Crichton <alex@alexcrichton.com>"
];
dependencies = [
{
name = "unicode-ident";
packageId = "unicode-ident";
}
];
features = {
"default" = [ "proc-macro" ];
};
resolvedDefaultFeatures = [ "default" "proc-macro" ];
};
"quote" = rec {
crateName = "quote";
version = "1.0.36";
edition = "2018";
sha256 = "19xcmh445bg6simirnnd4fvkmp6v2qiwxh5f6rw4a70h76pnm9qg";
authors = [
"David Tolnay <dtolnay@gmail.com>"
];
dependencies = [
{
name = "proc-macro2";
packageId = "proc-macro2";
usesDefaultFeatures = false;
}
];
features = {
"default" = [ "proc-macro" ];
"proc-macro" = [ "proc-macro2/proc-macro" ];
};
resolvedDefaultFeatures = [ "default" "proc-macro" ];
};
"ryu" = rec {
crateName = "ryu";
version = "1.0.18";
edition = "2018";
sha256 = "17xx2s8j1lln7iackzd9p0sv546vjq71i779gphjq923vjh5pjzk";
authors = [
"David Tolnay <dtolnay@gmail.com>"
];
features = {
"no-panic" = [ "dep:no-panic" ];
};
};
"serde" = rec {
crateName = "serde";
version = "1.0.208";
edition = "2018";
sha256 = "1cng2zkvv6hh137jrrqdmhi2hllfnqwlqjgviqjalkv8rg98bw6g";
authors = [
"Erick Tryzelaar <erick.tryzelaar@gmail.com>"
"David Tolnay <dtolnay@gmail.com>"
];
dependencies = [
{
name = "serde_derive";
packageId = "serde_derive";
optional = true;
}
{
name = "serde_derive";
packageId = "serde_derive";
target = { target, features }: false;
}
];
devDependencies = [
{
name = "serde_derive";
packageId = "serde_derive";
}
];
features = {
"default" = [ "std" ];
"derive" = [ "serde_derive" ];
"serde_derive" = [ "dep:serde_derive" ];
};
resolvedDefaultFeatures = [ "default" "derive" "serde_derive" "std" ];
};
"serde_derive" = rec {
crateName = "serde_derive";
version = "1.0.208";
edition = "2015";
sha256 = "1krblvy84j6d9zj12ms9l2wfbwf2w8jazkx0bf7fs4vnzy0qw014";
procMacro = true;
authors = [
"Erick Tryzelaar <erick.tryzelaar@gmail.com>"
"David Tolnay <dtolnay@gmail.com>"
];
dependencies = [
{
name = "proc-macro2";
packageId = "proc-macro2";
usesDefaultFeatures = false;
features = [ "proc-macro" ];
}
{
name = "quote";
packageId = "quote";
usesDefaultFeatures = false;
features = [ "proc-macro" ];
}
{
name = "syn";
packageId = "syn";
usesDefaultFeatures = false;
features = [ "clone-impls" "derive" "parsing" "printing" "proc-macro" ];
}
];
features = {
};
resolvedDefaultFeatures = [ "default" ];
};
"serde_json" = rec {
crateName = "serde_json";
version = "1.0.125";
edition = "2021";
sha256 = "1v9idlv5nq5f000qsv6v02h2zbsfk2m6d05af2zgbk3kl0sygj43";
authors = [
"Erick Tryzelaar <erick.tryzelaar@gmail.com>"
"David Tolnay <dtolnay@gmail.com>"
];
dependencies = [
{
name = "itoa";
packageId = "itoa";
}
{
name = "memchr";
packageId = "memchr";
usesDefaultFeatures = false;
}
{
name = "ryu";
packageId = "ryu";
}
{
name = "serde";
packageId = "serde";
usesDefaultFeatures = false;
}
];
devDependencies = [
{
name = "serde";
packageId = "serde";
features = [ "derive" ];
}
];
features = {
"alloc" = [ "serde/alloc" ];
"default" = [ "std" ];
"indexmap" = [ "dep:indexmap" ];
"preserve_order" = [ "indexmap" "std" ];
"std" = [ "memchr/std" "serde/std" ];
};
resolvedDefaultFeatures = [ "default" "std" ];
};
"syn" = rec {
crateName = "syn";
version = "2.0.74";
edition = "2021";
sha256 = "1mxk5h27mzl0r2j434rqrm279k302jdl1lr16kc0nval7lgb9khz";
authors = [
"David Tolnay <dtolnay@gmail.com>"
];
dependencies = [
{
name = "proc-macro2";
packageId = "proc-macro2";
usesDefaultFeatures = false;
}
{
name = "quote";
packageId = "quote";
optional = true;
usesDefaultFeatures = false;
}
{
name = "unicode-ident";
packageId = "unicode-ident";
}
];
features = {
"default" = [ "derive" "parsing" "printing" "clone-impls" "proc-macro" ];
"printing" = [ "dep:quote" ];
"proc-macro" = [ "proc-macro2/proc-macro" "quote?/proc-macro" ];
"test" = [ "syn-test-suite/all-features" ];
};
resolvedDefaultFeatures = [ "clone-impls" "default" "derive" "parsing" "printing" "proc-macro" ];
};
"unicode-ident" = rec {
crateName = "unicode-ident";
version = "1.0.12";
edition = "2018";
sha256 = "0jzf1znfpb2gx8nr8mvmyqs1crnv79l57nxnbiszc7xf7ynbjm1k";
authors = [
"David Tolnay <dtolnay@gmail.com>"
];
};
"version_check" = rec {
crateName = "version_check";
version = "0.9.5";
edition = "2015";
sha256 = "0nhhi4i5x89gm911azqbn7avs9mdacw2i3vcz3cnmz3mv4rqz4hb";
authors = [
"Sergio Benitez <sb@sergio.bz>"
];
};
};
#
# crate2nix/default.nix (excerpt start)
#
/* Target (platform) data for conditional dependencies.
This corresponds roughly to what buildRustCrate is setting.
*/
makeDefaultTarget = platform: {
unix = platform.isUnix;
windows = platform.isWindows;
fuchsia = true;
test = false;
/* We are choosing an arbitrary rust version to grab `lib` from,
which is unfortunate, but `lib` has been version-agnostic the
whole time so this is good enough for now.
*/
os = pkgs.rust.lib.toTargetOs platform;
arch = pkgs.rust.lib.toTargetArch platform;
family = pkgs.rust.lib.toTargetFamily platform;
vendor = pkgs.rust.lib.toTargetVendor platform;
env = "gnu";
endian =
if platform.parsed.cpu.significantByte.name == "littleEndian"
then "little" else "big";
pointer_width = toString platform.parsed.cpu.bits;
debug_assertions = false;
};
/* Filters common temp files and build files. */
# TODO(pkolloch): Substitute with gitignore filter
sourceFilter = name: type:
let
baseName = builtins.baseNameOf (builtins.toString name);
in
! (
# Filter out git
baseName == ".gitignore"
|| (type == "directory" && baseName == ".git")
# Filter out build results
|| (
type == "directory" && (
baseName == "target"
|| baseName == "_site"
|| baseName == ".sass-cache"
|| baseName == ".jekyll-metadata"
|| baseName == "build-artifacts"
)
)
# Filter out nix-build result symlinks
|| (
type == "symlink" && lib.hasPrefix "result" baseName
)
# Filter out IDE config
|| (
type == "directory" && (
baseName == ".idea" || baseName == ".vscode"
)
) || lib.hasSuffix ".iml" baseName
# Filter out nix build files
|| baseName == "Cargo.nix"
# Filter out editor backup / swap files.
|| lib.hasSuffix "~" baseName
|| builtins.match "^\\.sw[a-z]$$" baseName != null
|| builtins.match "^\\..*\\.sw[a-z]$$" baseName != null
|| lib.hasSuffix ".tmp" baseName
|| lib.hasSuffix ".bak" baseName
|| baseName == "tests.nix"
);
/* Returns a crate which depends on successful test execution
of crate given as the second argument.
testCrateFlags: list of flags to pass to the test exectuable
testInputs: list of packages that should be available during test execution
*/
crateWithTest = { crate, testCrate, testCrateFlags, testInputs, testPreRun, testPostRun }:
assert builtins.typeOf testCrateFlags == "list";
assert builtins.typeOf testInputs == "list";
assert builtins.typeOf testPreRun == "string";
assert builtins.typeOf testPostRun == "string";
let
# override the `crate` so that it will build and execute tests instead of
# building the actual lib and bin targets We just have to pass `--test`
# to rustc and it will do the right thing. We execute the tests and copy
# their log and the test executables to $out for later inspection.
test =
let
drv = testCrate.override
(
_: {
buildTests = true;
}
);
# If the user hasn't set any pre/post commands, we don't want to
# insert empty lines. This means that any existing users of crate2nix
# don't get a spurious rebuild unless they set these explicitly.
testCommand = pkgs.lib.concatStringsSep "\n"
(pkgs.lib.filter (s: s != "") [
testPreRun
"$f $testCrateFlags 2>&1 | tee -a $out"
testPostRun
]);
in
pkgs.runCommand "run-tests-${testCrate.name}"
{
inherit testCrateFlags;
buildInputs = testInputs;
} ''
set -e
export RUST_BACKTRACE=1
# recreate a file hierarchy as when running tests with cargo
# the source for test data
# It's necessary to locate the source in $NIX_BUILD_TOP/source/
# instead of $NIX_BUILD_TOP/
# because we compiled those test binaries in the former and not the latter.
# So all paths will expect source tree to be there and not in the build top directly.
# For example: $NIX_BUILD_TOP := /build in general, if you ask yourself.
# NOTE: There could be edge cases if `crate.sourceRoot` does exist but
# it's very hard to reason about them.
# Open a bug if you run into this!
mkdir -p source/
cd source/
${pkgs.buildPackages.xorg.lndir}/bin/lndir ${crate.src}
# build outputs
testRoot=target/debug
mkdir -p $testRoot
# executables of the crate
# we copy to prevent std::env::current_exe() to resolve to a store location
for i in ${crate}/bin/*; do
cp "$i" "$testRoot"
done
chmod +w -R .
# test harness executables are suffixed with a hash, like cargo does
# this allows to prevent name collision with the main
# executables of the crate
hash=$(basename $out)
for file in ${drv}/tests/*; do
f=$testRoot/$(basename $file)-$hash
cp $file $f
${testCommand}
done
'';
in
pkgs.runCommand "${crate.name}-linked"
{
inherit (crate) outputs crateName;
passthru = (crate.passthru or { }) // {
inherit test;
};
}
(lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
echo tested by ${test}
'' + ''
${lib.concatMapStringsSep "\n" (output: "ln -s ${crate.${output}} ${"$"}${output}") crate.outputs}
'');
/* A restricted overridable version of builtRustCratesWithFeatures. */
buildRustCrateWithFeatures =
{ packageId
, features ? rootFeatures
, crateOverrides ? defaultCrateOverrides
, buildRustCrateForPkgsFunc ? null
, runTests ? false
, testCrateFlags ? [ ]
, testInputs ? [ ]
# Any command to run immediatelly before a test is executed.
, testPreRun ? ""
# Any command run immediatelly after a test is executed.
, testPostRun ? ""
}:
lib.makeOverridable
(
{ features
, crateOverrides
, runTests
, testCrateFlags
, testInputs
, testPreRun
, testPostRun
}:
let
buildRustCrateForPkgsFuncOverriden =
if buildRustCrateForPkgsFunc != null
then buildRustCrateForPkgsFunc
else
(
if crateOverrides == pkgs.defaultCrateOverrides
then buildRustCrateForPkgs
else
pkgs: (buildRustCrateForPkgs pkgs).override {
defaultCrateOverrides = crateOverrides;
}
);
builtRustCrates = builtRustCratesWithFeatures {
inherit packageId features;
buildRustCrateForPkgsFunc = buildRustCrateForPkgsFuncOverriden;
runTests = false;
};
builtTestRustCrates = builtRustCratesWithFeatures {
inherit packageId features;
buildRustCrateForPkgsFunc = buildRustCrateForPkgsFuncOverriden;
runTests = true;
};
drv = builtRustCrates.crates.${packageId};
testDrv = builtTestRustCrates.crates.${packageId};
derivation =
if runTests then
crateWithTest
{
crate = drv;
testCrate = testDrv;
inherit testCrateFlags testInputs testPreRun testPostRun;
}
else drv;
in
derivation
)
{ inherit features crateOverrides runTests testCrateFlags testInputs testPreRun testPostRun; };
/* Returns an attr set with packageId mapped to the result of buildRustCrateForPkgsFunc
for the corresponding crate.
*/
builtRustCratesWithFeatures =
{ packageId
, features
, crateConfigs ? crates
, buildRustCrateForPkgsFunc
, runTests
, makeTarget ? makeDefaultTarget
} @ args:
assert (builtins.isAttrs crateConfigs);
assert (builtins.isString packageId);
assert (builtins.isList features);
assert (builtins.isAttrs (makeTarget stdenv.hostPlatform));
assert (builtins.isBool runTests);
let
rootPackageId = packageId;
mergedFeatures = mergePackageFeatures
(
args // {
inherit rootPackageId;
target = makeTarget stdenv.hostPlatform // { test = runTests; };
}
);
# Memoize built packages so that reappearing packages are only built once.
builtByPackageIdByPkgs = mkBuiltByPackageIdByPkgs pkgs;
mkBuiltByPackageIdByPkgs = pkgs:
let
self = {
crates = lib.mapAttrs (packageId: value: buildByPackageIdForPkgsImpl self pkgs packageId) crateConfigs;
target = makeTarget pkgs.stdenv.hostPlatform;
build = mkBuiltByPackageIdByPkgs pkgs.buildPackages;
};
in
self;
buildByPackageIdForPkgsImpl = self: pkgs: packageId:
let
features = mergedFeatures."${packageId}" or [ ];
crateConfig' = crateConfigs."${packageId}";
crateConfig =
builtins.removeAttrs crateConfig' [ "resolvedDefaultFeatures" "devDependencies" ];
devDependencies =
lib.optionals
(runTests && packageId == rootPackageId)
(crateConfig'.devDependencies or [ ]);
dependencies =
dependencyDerivations {
inherit features;
inherit (self) target;
buildByPackageId = depPackageId:
# proc_macro crates must be compiled for the build architecture
if crateConfigs.${depPackageId}.procMacro or false
then self.build.crates.${depPackageId}
else self.crates.${depPackageId};
dependencies =
(crateConfig.dependencies or [ ])
++ devDependencies;
};
buildDependencies =
dependencyDerivations {
inherit features;
inherit (self.build) target;
buildByPackageId = depPackageId:
self.build.crates.${depPackageId};
dependencies = crateConfig.buildDependencies or [ ];
};
dependenciesWithRenames =
let
buildDeps = filterEnabledDependencies {
inherit features;
inherit (self) target;
dependencies = crateConfig.dependencies or [ ] ++ devDependencies;
};
hostDeps = filterEnabledDependencies {
inherit features;
inherit (self.build) target;
dependencies = crateConfig.buildDependencies or [ ];
};
in
lib.filter (d: d ? "rename") (hostDeps ++ buildDeps);
# Crate renames have the form:
#
# {
# crate_name = [
# { version = "1.2.3"; rename = "crate_name01"; }
# ];
# # ...
# }
crateRenames =
let
grouped =
lib.groupBy
(dependency: dependency.name)
dependenciesWithRenames;
versionAndRename = dep:
let
package = crateConfigs."${dep.packageId}";
in
{ inherit (dep) rename; inherit (package) version; };
in
lib.mapAttrs (name: builtins.map versionAndRename) grouped;
in
buildRustCrateForPkgsFunc pkgs
(
crateConfig // {
# https://github.com/NixOS/nixpkgs/issues/218712
dontStrip = stdenv.hostPlatform.isDarwin;
src = crateConfig.src or (
pkgs.fetchurl rec {
name = "${crateConfig.crateName}-${crateConfig.version}.tar.gz";
# https://www.pietroalbini.org/blog/downloading-crates-io/
# Not rate-limited, CDN URL.
url = "https://static.crates.io/crates/${crateConfig.crateName}/${crateConfig.crateName}-${crateConfig.version}.crate";
sha256 =
assert (lib.assertMsg (crateConfig ? sha256) "Missing sha256 for ${name}");
crateConfig.sha256;
}
);
extraRustcOpts = lib.lists.optional (targetFeatures != [ ]) "-C target-feature=${lib.concatMapStringsSep "," (x: "+${x}") targetFeatures}";
inherit features dependencies buildDependencies crateRenames release;
}
);
in
builtByPackageIdByPkgs;
/* Returns the actual derivations for the given dependencies. */
dependencyDerivations =
{ buildByPackageId
, features
, dependencies
, target
}:
assert (builtins.isList features);
assert (builtins.isList dependencies);
assert (builtins.isAttrs target);
let
enabledDependencies = filterEnabledDependencies {
inherit dependencies features target;
};
depDerivation = dependency: buildByPackageId dependency.packageId;
in
map depDerivation enabledDependencies;
/* Returns a sanitized version of val with all values substituted that cannot
be serialized as JSON.
*/
sanitizeForJson = val:
if builtins.isAttrs val
then lib.mapAttrs (n: sanitizeForJson) val
else if builtins.isList val
then builtins.map sanitizeForJson val
else if builtins.isFunction val
then "function"
else val;
/* Returns various tools to debug a crate. */
debugCrate = { packageId, target ? makeDefaultTarget stdenv.hostPlatform }:
assert (builtins.isString packageId);
let
debug = rec {
# The built tree as passed to buildRustCrate.
buildTree = buildRustCrateWithFeatures {
buildRustCrateForPkgsFunc = _: lib.id;
inherit packageId;
};
sanitizedBuildTree = sanitizeForJson buildTree;
dependencyTree = sanitizeForJson
(
buildRustCrateWithFeatures {
buildRustCrateForPkgsFunc = _: crate: {
"01_crateName" = crate.crateName or false;
"02_features" = crate.features or [ ];
"03_dependencies" = crate.dependencies or [ ];
};
inherit packageId;
}
);
mergedPackageFeatures = mergePackageFeatures {
features = rootFeatures;
inherit packageId target;
};
diffedDefaultPackageFeatures = diffDefaultPackageFeatures {
inherit packageId target;
};
};
in
{ internal = debug; };
/* Returns differences between cargo default features and crate2nix default
features.
This is useful for verifying the feature resolution in crate2nix.
*/
diffDefaultPackageFeatures =
{ crateConfigs ? crates
, packageId
, target
}:
assert (builtins.isAttrs crateConfigs);
let
prefixValues = prefix: lib.mapAttrs (n: v: { "${prefix}" = v; });
mergedFeatures =
prefixValues
"crate2nix"
(mergePackageFeatures { inherit crateConfigs packageId target; features = [ "default" ]; });
configs = prefixValues "cargo" crateConfigs;
combined = lib.foldAttrs (a: b: a // b) { } [ mergedFeatures configs ];
onlyInCargo =
builtins.attrNames
(lib.filterAttrs (n: v: !(v ? "crate2nix") && (v ? "cargo")) combined);
onlyInCrate2Nix =
builtins.attrNames
(lib.filterAttrs (n: v: (v ? "crate2nix") && !(v ? "cargo")) combined);
differentFeatures = lib.filterAttrs
(
n: v:
(v ? "crate2nix")
&& (v ? "cargo")
&& (v.crate2nix.features or [ ]) != (v."cargo".resolved_default_features or [ ])
)
combined;
in
builtins.toJSON {
inherit onlyInCargo onlyInCrate2Nix differentFeatures;
};
/* Returns an attrset mapping packageId to the list of enabled features.
If multiple paths to a dependency enable different features, the
corresponding feature sets are merged. Features in rust are additive.
*/
mergePackageFeatures =
{ crateConfigs ? crates
, packageId
, rootPackageId ? packageId
, features ? rootFeatures
, dependencyPath ? [ crates.${packageId}.crateName ]
, featuresByPackageId ? { }
, target
# Adds devDependencies to the crate with rootPackageId.
, runTests ? false
, ...
} @ args:
assert (builtins.isAttrs crateConfigs);
assert (builtins.isString packageId);
assert (builtins.isString rootPackageId);
assert (builtins.isList features);
assert (builtins.isList dependencyPath);
assert (builtins.isAttrs featuresByPackageId);
assert (builtins.isAttrs target);
assert (builtins.isBool runTests);
let
crateConfig = crateConfigs."${packageId}" or (builtins.throw "Package not found: ${packageId}");
expandedFeatures = expandFeatures (crateConfig.features or { }) features;
enabledFeatures = enableFeatures (crateConfig.dependencies or [ ]) expandedFeatures;
depWithResolvedFeatures = dependency:
let
inherit (dependency) packageId;
features = dependencyFeatures enabledFeatures dependency;
in
{ inherit packageId features; };
resolveDependencies = cache: path: dependencies:
assert (builtins.isAttrs cache);
assert (builtins.isList dependencies);
let
enabledDependencies = filterEnabledDependencies {
inherit dependencies target;
features = enabledFeatures;
};
directDependencies = map depWithResolvedFeatures enabledDependencies;
foldOverCache = op: lib.foldl op cache directDependencies;
in
foldOverCache