uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>
This commit is contained in:
Anton Arapov 2021-04-03 12:58:10 +02:00 committed by Alan Daniels
commit 56de2bcd43
30691 changed files with 3076956 additions and 0 deletions

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{ lib, stdenv, mkRustcDepArgs, mkRustcFeatureArgs, rust }:
{ crateName,
dependencies,
crateFeatures, crateRenames, libName, release, libPath,
crateType, metadata, crateBin, hasCrateBin,
extraRustcOpts, verbose, colors,
buildTests,
codegenUnits
}:
let
baseRustcOpts =
[
(if release then "-C opt-level=3" else "-C debuginfo=2")
"-C codegen-units=${toString codegenUnits}"
"--remap-path-prefix=$NIX_BUILD_TOP=/"
(mkRustcDepArgs dependencies crateRenames)
(mkRustcFeatureArgs crateFeatures)
] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
"--target" (rust.toRustTargetSpec stdenv.hostPlatform)
] ++ extraRustcOpts
# since rustc 1.42 the "proc_macro" crate is part of the default crate prelude
# https://github.com/rust-lang/cargo/commit/4d64eb99a4#diff-7f98585dbf9d30aa100c8318e2c77e79R1021-R1022
++ lib.optional (lib.elem "proc-macro" crateType) "--extern proc_macro"
;
rustcMeta = "-C metadata=${metadata} -C extra-filename=-${metadata}";
# build the final rustc arguments that can be different between different
# crates
libRustcOpts = lib.concatStringsSep " " (
baseRustcOpts
++ [rustcMeta]
++ (map (x: "--crate-type ${x}") crateType)
);
binRustcOpts = lib.concatStringsSep " " (
baseRustcOpts
);
build_bin = if buildTests then "build_bin_test" else "build_bin";
in ''
runHook preBuild
# configure & source common build functions
LIB_RUSTC_OPTS="${libRustcOpts}"
BIN_RUSTC_OPTS="${binRustcOpts}"
LIB_EXT="${stdenv.hostPlatform.extensions.sharedLibrary}"
LIB_PATH="${libPath}"
LIB_NAME="${libName}"
CRATE_NAME='${lib.replaceStrings ["-"] ["_"] libName}'
setup_link_paths
if [[ -e "$LIB_PATH" ]]; then
build_lib "$LIB_PATH"
${lib.optionalString buildTests ''build_lib_test "$LIB_PATH"''}
elif [[ -e src/lib.rs ]]; then
build_lib src/lib.rs
${lib.optionalString buildTests "build_lib_test src/lib.rs"}
fi
${lib.optionalString (lib.length crateBin > 0) (lib.concatMapStringsSep "\n" (bin: ''
mkdir -p target/bin
BIN_NAME='${bin.name or crateName}'
${if !bin ? path then ''
BIN_PATH=""
search_for_bin_path "$BIN_NAME"
'' else ''
BIN_PATH='${bin.path}'
''}
${build_bin} "$BIN_NAME" "$BIN_PATH"
'') crateBin)}
${lib.optionalString buildTests ''
# When tests are enabled build all the files in the `tests` directory as
# test binaries.
if [ -d tests ]; then
# find all the .rs files (or symlinks to those) in the tests directory, no subdirectories
find tests -maxdepth 1 \( -type f -o -type l \) -a -name '*.rs' -print0 | while IFS= read -r -d ''' file; do
mkdir -p target/bin
build_bin_test_file "$file"
done
# find all the subdirectories of tests/ that contain a main.rs file as
# that is also a test according to cargo
find tests/ -mindepth 1 -maxdepth 2 \( -type f -o -type l \) -a -name 'main.rs' -print0 | while IFS= read -r -d ''' file; do
mkdir -p target/bin
build_bin_test_file "$file"
done
fi
''}
# If crateBin is empty and hasCrateBin is not set then we must try to
# detect some kind of bin target based on some files that might exist.
${lib.optionalString (lib.length crateBin == 0 && !hasCrateBin) ''
if [[ -e src/main.rs ]]; then
mkdir -p target/bin
${build_bin} ${crateName} src/main.rs
fi
for i in src/bin/*.rs; do #*/
mkdir -p target/bin
${build_bin} "$(basename $i .rs)" "$i"
done
''}
# Remove object files to avoid "wrong ELF type"
find target -type f -name "*.o" -print0 | xargs -0 rm -f
runHook postBuild
''

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{ lib, stdenv, rust, echo_colored, noisily, mkRustcDepArgs, mkRustcFeatureArgs }:
{
build
, buildDependencies
, codegenUnits
, colors
, completeBuildDeps
, completeDeps
, crateAuthors
, crateDescription
, crateHomepage
, crateFeatures
, crateName
, crateRenames
, crateVersion
, extraLinkFlags
, extraRustcOptsForBuildRs
, libName
, libPath
, release
, verbose
, workspace_member }:
let version_ = lib.splitString "-" crateVersion;
versionPre = if lib.tail version_ == [] then "" else lib.elemAt version_ 1;
version = lib.splitVersion (lib.head version_);
rustcOpts = lib.foldl' (opts: opt: opts + " " + opt)
(if release then "-C opt-level=3" else "-C debuginfo=2")
(["-C codegen-units=${toString codegenUnits}"] ++ extraRustcOptsForBuildRs);
buildDeps = mkRustcDepArgs buildDependencies crateRenames;
authors = lib.concatStringsSep ":" crateAuthors;
optLevel = if release then 3 else 0;
completeDepsDir = lib.concatStringsSep " " completeDeps;
completeBuildDepsDir = lib.concatStringsSep " " completeBuildDeps;
envFeatures = lib.concatStringsSep " " (
map (f: lib.replaceChars ["-"] ["_"] (lib.toUpper f)) crateFeatures
);
in ''
${echo_colored colors}
${noisily colors verbose}
source ${./lib.sh}
${lib.optionalString (workspace_member != null) ''
noisily cd "${workspace_member}"
''}
${lib.optionalString (workspace_member == null) ''
echo_colored "Searching for matching Cargo.toml (${crateName})"
local cargo_toml_dir=$(matching_cargo_toml_dir "${crateName}")
if [ -z "$cargo_toml_dir" ]; then
echo_error "ERROR configuring ${crateName}: No matching Cargo.toml in $(pwd) found." >&2
exit 23
fi
noisily cd "$cargo_toml_dir"
''}
runHook preConfigure
symlink_dependency() {
# $1 is the nix-store path of a dependency
# $2 is the target path
i=$1
ln -s -f $i/lib/*.rlib $2 #*/
ln -s -f $i/lib/*.so $i/lib/*.dylib $2 #*/
if [ -e $i/env ]; then
source $i/env
fi
}
# The following steps set up the dependencies of the crate. Two
# kinds of dependencies are distinguished: build dependencies
# (used by the build script) and crate dependencies. For each
# dependency we have to:
#
# - Make its Rust library available to rustc. This is done by
# symlinking all library dependencies into a directory that
# can be provided to rustc.
# - Accumulate linking flags. These flags are largely used for
# linking native libraries.
#
# The crate link flags are added to the `link` and `link.final`
# files. The `link` file is used for linkage in the current
# crate. The `link.final` file will be copied to the output and can
# be used by downstream crates to get the linker flags of this
# crate.
mkdir -p target/{deps,lib,build,buildDeps}
chmod uga+w target -R
echo ${extraLinkFlags} > target/link
echo ${extraLinkFlags} > target/link.final
# Prepare crate dependencies
for i in ${completeDepsDir}; do
symlink_dependency $i target/deps
if [ -e "$i/lib/link" ]; then
cat $i/lib/link >> target/link
cat $i/lib/link >> target/link.final
fi
done
# Prepare crate build dependencies that are used for the build script.
for i in ${completeBuildDepsDir}; do
symlink_dependency $i target/buildDeps
if [ -e "$i/lib/link" ]; then
cat $i/lib/link >> target/link.build
fi
done
# Remove duplicate linker flags from the build dependencies.
if [[ -e target/link.build ]]; then
sort -uo target/link.build target/link.build
fi
# Remove duplicate linker flags from the dependencies.
sort -uo target/link target/link
tr '\n' ' ' < target/link > target/link_
# Remove duplicate linker flags from the that are written
# to the derivation's output.
sort -uo target/link.final target/link.final
EXTRA_BUILD=""
BUILD_OUT_DIR=""
export CARGO_PKG_NAME=${crateName}
export CARGO_PKG_VERSION=${crateVersion}
export CARGO_PKG_AUTHORS="${authors}"
export CARGO_PKG_DESCRIPTION="${crateDescription}"
export CARGO_CFG_TARGET_ARCH=${rust.toTargetArch stdenv.hostPlatform}
export CARGO_CFG_TARGET_OS=${rust.toTargetOs stdenv.hostPlatform}
export CARGO_CFG_TARGET_FAMILY="unix"
export CARGO_CFG_UNIX=1
export CARGO_CFG_TARGET_ENV="gnu"
export CARGO_CFG_TARGET_ENDIAN=${if stdenv.hostPlatform.parsed.cpu.significantByte.name == "littleEndian" then "little" else "big"}
export CARGO_CFG_TARGET_POINTER_WIDTH=${toString stdenv.hostPlatform.parsed.cpu.bits}
export CARGO_CFG_TARGET_VENDOR=${stdenv.hostPlatform.parsed.vendor.name}
export CARGO_MANIFEST_DIR=$(pwd)
export DEBUG="${toString (!release)}"
export OPT_LEVEL="${toString optLevel}"
export TARGET="${rust.toRustTargetSpec stdenv.hostPlatform}"
export HOST="${rust.toRustTargetSpec stdenv.buildPlatform}"
export PROFILE=${if release then "release" else "debug"}
export OUT_DIR=$(pwd)/target/build/${crateName}.out
export CARGO_PKG_VERSION_MAJOR=${lib.elemAt version 0}
export CARGO_PKG_VERSION_MINOR=${lib.elemAt version 1}
export CARGO_PKG_VERSION_PATCH=${lib.elemAt version 2}
export CARGO_PKG_VERSION_PRE="${versionPre}"
export CARGO_PKG_HOMEPAGE="${crateHomepage}"
export NUM_JOBS=$NIX_BUILD_CORES
export RUSTC="rustc"
export RUSTDOC="rustdoc"
BUILD=""
if [[ ! -z "${build}" ]] ; then
BUILD=${build}
elif [[ -e "build.rs" ]]; then
BUILD="build.rs"
fi
# Compile and run the build script, when available.
if [[ ! -z "$BUILD" ]] ; then
echo_build_heading "$BUILD" ${libName}
mkdir -p target/build/${crateName}
EXTRA_BUILD_FLAGS=""
if [ -e target/link.build ]; then
EXTRA_BUILD_FLAGS="$EXTRA_BUILD_FLAGS $(tr '\n' ' ' < target/link.build)"
fi
noisily rustc --crate-name build_script_build $BUILD --crate-type bin ${rustcOpts} \
${mkRustcFeatureArgs crateFeatures} --out-dir target/build/${crateName} --emit=dep-info,link \
-L dependency=target/buildDeps ${buildDeps} --cap-lints allow $EXTRA_BUILD_FLAGS --color ${colors}
mkdir -p target/build/${crateName}.out
export RUST_BACKTRACE=1
BUILD_OUT_DIR="-L $OUT_DIR"
mkdir -p $OUT_DIR
(
# Features should be set as environment variable for build scripts:
# https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
for feature in ${envFeatures}; do
export CARGO_FEATURE_$feature=1
done
target/build/${crateName}/build_script_build > target/build/${crateName}.opt
)
set +e
EXTRA_BUILD=$(sed -n "s/^cargo:rustc-flags=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ' | sort -u)
EXTRA_FEATURES=$(sed -n "s/^cargo:rustc-cfg=\(.*\)/--cfg \1/p" target/build/${crateName}.opt | tr '\n' ' ')
EXTRA_LINK=$(sed -n "s/^cargo:rustc-link-lib=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ')
EXTRA_LINK_SEARCH=$(sed -n "s/^cargo:rustc-link-search=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ' | sort -u)
for env in $(sed -n "s/^cargo:rustc-env=\(.*\)/\1/p" target/build/${crateName}.opt); do
export $env
done
CRATENAME=$(echo ${crateName} | sed -e "s/\(.*\)-sys$/\U\1/" -e "s/-/_/g")
grep -P "^cargo:(?!(rustc-|warning=|rerun-if-changed=|rerun-if-env-changed))" target/build/${crateName}.opt \
| awk -F= "/^cargo:/ { sub(/^cargo:/, \"\", \$1); gsub(/-/, \"_\", \$1); print \"export \" toupper(\"DEP_$(echo $CRATENAME)_\" \$1) \"=\" \$2 }" > target/env
set -e
fi
runHook postConfigure
''

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# Code for buildRustCrate, a Nix function that builds Rust code, just
# like Cargo, but using Nix instead.
#
# This can be useful for deploying packages with NixOps, and to share
# binary dependencies between projects.
{ lib
, stdenv
, defaultCrateOverrides
, fetchCrate
, pkgsBuildBuild
, rustc
, rust
, cargo
, jq
, libiconv
}:
let
# Create rustc arguments to link against the given list of dependencies
# and renames.
#
# See docs for crateRenames below.
mkRustcDepArgs = dependencies: crateRenames:
lib.concatMapStringsSep " "
(dep:
let
normalizeName = lib.replaceStrings [ "-" ] [ "_" ];
extern = normalizeName dep.libName;
# Find a choice that matches in name and optionally version.
findMatchOrUseExtern = choices:
lib.findFirst
(choice:
(!(choice ? version)
|| choice.version == dep.version or ""))
{ rename = extern; }
choices;
name =
if lib.hasAttr dep.crateName crateRenames then
let choices = crateRenames.${dep.crateName};
in
normalizeName (
if builtins.isList choices
then (findMatchOrUseExtern choices).rename
else choices
)
else
extern;
in
(if lib.any (x: x == "lib" || x == "rlib") dep.crateType then
" --extern ${name}=${dep.lib}/lib/lib${extern}-${dep.metadata}.rlib"
else
" --extern ${name}=${dep.lib}/lib/lib${extern}-${dep.metadata}${stdenv.hostPlatform.extensions.sharedLibrary}")
)
dependencies;
# Create feature arguments for rustc.
mkRustcFeatureArgs = lib.concatMapStringsSep " " (f: ''--cfg feature=\"${f}\"'');
inherit (import ./log.nix { inherit lib; }) noisily echo_colored;
configureCrate = import ./configure-crate.nix {
inherit lib stdenv rust echo_colored noisily mkRustcDepArgs mkRustcFeatureArgs;
};
buildCrate = import ./build-crate.nix {
inherit lib stdenv mkRustcDepArgs mkRustcFeatureArgs rust;
};
installCrate = import ./install-crate.nix { inherit stdenv; };
# Allow access to the rust attribute set from inside buildRustCrate, which
# has a parameter that shadows the name.
rustAttrs = rust;
in
/* The overridable pkgs.buildRustCrate function.
*
* Any unrecognized parameters will be passed as to
* the underlying stdenv.mkDerivation.
*/
crate_: lib.makeOverridable
(
# The rust compiler to use.
#
# Default: pkgs.rustc
{ rust
# Whether to build a release version (`true`) or a debug
# version (`false`). Debug versions are faster to build
# but might be much slower at runtime.
, release
# Whether to print rustc invocations etc.
#
# Example: false
# Default: true
, verbose
# A list of rust/cargo features to enable while building the crate.
# Example: [ "std" "async" ]
, features
# Additional native build inputs for building this crate.
, nativeBuildInputs
# Additional build inputs for building this crate.
#
# Example: [ pkgs.openssl ]
, buildInputs
# Allows to override the parameters to buildRustCrate
# for any rust dependency in the transitive build tree.
#
# Default: pkgs.defaultCrateOverrides
#
# Example:
#
# pkgs.defaultCrateOverrides // {
# hello = attrs: { buildInputs = [ openssl ]; };
# }
, crateOverrides
# Rust library dependencies, i.e. other libaries that were built
# with buildRustCrate.
, dependencies
# Rust build dependencies, i.e. other libaries that were built
# with buildRustCrate and are used by a build script.
, buildDependencies
# Specify the "extern" name of a library if it differs from the library target.
# See above for an extended explanation.
#
# Default: no renames.
#
# Example:
#
# `crateRenames` supports two formats.
#
# The simple version is an attrset that maps the
# `crateName`s of the dependencies to their alternative
# names.
#
# ```nix
# {
# my_crate_name = "my_alternative_name";
# # ...
# }
# ```
#
# The extended version is also keyed by the `crateName`s but allows
# different names for different crate versions:
#
# ```nix
# {
# my_crate_name = [
# { version = "1.2.3"; rename = "my_alternative_name01"; }
# { version = "3.2.3"; rename = "my_alternative_name03"; }
# ]
# # ...
# }
# ```
#
# This roughly corresponds to the following snippet in Cargo.toml:
#
# ```toml
# [dependencies]
# my_alternative_name01 = { package = "my_crate_name", version = "0.1" }
# my_alternative_name03 = { package = "my_crate_name", version = "0.3" }
# ```
#
# Dependencies which use the lib target name as extern name, do not need
# to be specified in the crateRenames, even if their crate name differs.
#
# Including multiple versions of a crate is very popular during
# ecosystem transitions, e.g. from futures 0.1 to futures 0.3.
, crateRenames
# A list of extra options to pass to rustc.
#
# Example: [ "-Z debuginfo=2" ]
# Default: []
, extraRustcOpts
# A list of extra options to pass to rustc when building a build.rs.
#
# Example: [ "-Z debuginfo=2" ]
# Default: []
, extraRustcOptsForBuildRs
# Whether to enable building tests.
# Use true to enable.
# Default: false
, buildTests
# Passed to stdenv.mkDerivation.
, preUnpack
# Passed to stdenv.mkDerivation.
, postUnpack
# Passed to stdenv.mkDerivation.
, prePatch
# Passed to stdenv.mkDerivation.
, patches
# Passed to stdenv.mkDerivation.
, postPatch
# Passed to stdenv.mkDerivation.
, preConfigure
# Passed to stdenv.mkDerivation.
, postConfigure
# Passed to stdenv.mkDerivation.
, preBuild
# Passed to stdenv.mkDerivation.
, postBuild
# Passed to stdenv.mkDerivation.
, preInstall
# Passed to stdenv.mkDerivation.
, postInstall
}:
let
crate = crate_ // (lib.attrByPath [ crate_.crateName ] (attr: { }) crateOverrides crate_);
dependencies_ = dependencies;
buildDependencies_ = buildDependencies;
processedAttrs = [
"src"
"nativeBuildInputs"
"buildInputs"
"crateBin"
"crateLib"
"libName"
"libPath"
"buildDependencies"
"dependencies"
"features"
"crateRenames"
"crateName"
"version"
"build"
"authors"
"colors"
"edition"
"buildTests"
"codegenUnits"
];
extraDerivationAttrs = builtins.removeAttrs crate processedAttrs;
nativeBuildInputs_ = nativeBuildInputs;
buildInputs_ = buildInputs;
extraRustcOpts_ = extraRustcOpts;
extraRustcOptsForBuildRs_ = extraRustcOptsForBuildRs;
buildTests_ = buildTests;
# crate2nix has a hack for the old bash based build script that did split
# entries at `,`. No we have to work around that hack.
# https://github.com/kolloch/crate2nix/blame/5b19c1b14e1b0e5522c3e44e300d0b332dc939e7/crate2nix/templates/build.nix.tera#L89
crateBin = lib.filter (bin: !(bin ? name && bin.name == ",")) (crate.crateBin or [ ]);
hasCrateBin = crate ? crateBin;
in
stdenv.mkDerivation (rec {
inherit (crate) crateName;
inherit
preUnpack
postUnpack
prePatch
patches
postPatch
preConfigure
postConfigure
preBuild
postBuild
preInstall
postInstall
buildTests
;
src = crate.src or (fetchCrate { inherit (crate) crateName version sha256; });
name = "rust_${crate.crateName}-${crate.version}${lib.optionalString buildTests_ "-test"}";
version = crate.version;
depsBuildBuild = [ pkgsBuildBuild.stdenv.cc ];
nativeBuildInputs = [ rust stdenv.cc cargo jq ] ++ (crate.nativeBuildInputs or [ ]) ++ nativeBuildInputs_;
buildInputs = lib.optionals stdenv.isDarwin [ libiconv ] ++ (crate.buildInputs or [ ]) ++ buildInputs_;
dependencies = map lib.getLib dependencies_;
buildDependencies = map lib.getLib buildDependencies_;
completeDeps = lib.unique (dependencies ++ lib.concatMap (dep: dep.completeDeps) dependencies);
completeBuildDeps = lib.unique (
buildDependencies
++ lib.concatMap (dep: dep.completeBuildDeps ++ dep.completeDeps) buildDependencies
);
# Create a list of features that are enabled by the crate itself and
# through the features argument of buildRustCrate. Exclude features
# with a forward slash, since they are passed through to dependencies,
# and dep: features, since they're internal-only and do nothing except
# enable optional dependencies.
crateFeatures = lib.optionals (crate ? features)
(builtins.filter
(f: !(lib.hasInfix "/" f || lib.hasPrefix "dep:" f))
(crate.features ++ features)
);
libName = if crate ? libName then crate.libName else crate.crateName;
libPath = if crate ? libPath then crate.libPath else "";
# Seed the symbol hashes with something unique every time.
# https://doc.rust-lang.org/1.0.0/rustc/metadata/loader/index.html#frobbing-symbols
metadata =
let
depsMetadata = lib.foldl' (str: dep: str + dep.metadata) "" (dependencies ++ buildDependencies);
hashedMetadata = builtins.hashString "sha256"
(crateName + "-" + crateVersion + "___" + toString (mkRustcFeatureArgs crateFeatures) +
"___" + depsMetadata + "___" + rustAttrs.toRustTarget stdenv.hostPlatform);
in
lib.substring 0 10 hashedMetadata;
build = crate.build or "";
# Either set to a concrete sub path to the crate root
# or use `null` for auto-detect.
workspace_member = crate.workspace_member or ".";
crateVersion = crate.version;
crateDescription = crate.description or "";
crateAuthors = if crate ? authors && lib.isList crate.authors then crate.authors else [ ];
crateHomepage = crate.homepage or "";
crateType =
if lib.attrByPath [ "procMacro" ] false crate then [ "proc-macro" ] else
if lib.attrByPath [ "plugin" ] false crate then [ "dylib" ] else
(crate.type or [ "lib" ]);
colors = lib.attrByPath [ "colors" ] "always" crate;
extraLinkFlags = lib.concatStringsSep " " (crate.extraLinkFlags or [ ]);
edition = crate.edition or null;
codegenUnits = if crate ? codegenUnits then crate.codegenUnits else 1;
extraRustcOpts =
lib.optionals (crate ? extraRustcOpts) crate.extraRustcOpts
++ extraRustcOpts_
++ (lib.optional (edition != null) "--edition ${edition}");
extraRustcOptsForBuildRs =
lib.optionals (crate ? extraRustcOptsForBuildRs) crate.extraRustcOptsForBuildRs
++ extraRustcOptsForBuildRs_
++ (lib.optional (edition != null) "--edition ${edition}");
configurePhase = configureCrate {
inherit crateName buildDependencies completeDeps completeBuildDeps crateDescription
crateFeatures crateRenames libName build workspace_member release libPath crateVersion
extraLinkFlags extraRustcOptsForBuildRs
crateAuthors crateHomepage verbose colors codegenUnits;
};
buildPhase = buildCrate {
inherit crateName dependencies
crateFeatures crateRenames libName release libPath crateType
metadata hasCrateBin crateBin verbose colors
extraRustcOpts buildTests codegenUnits;
};
installPhase = installCrate crateName metadata buildTests;
# depending on the test setting we are either producing something with bins
# and libs or just test binaries
outputs = if buildTests then [ "out" ] else [ "out" "lib" ];
outputDev = if buildTests then [ "out" ] else [ "lib" ];
meta = {
mainProgram = crateName;
};
} // extraDerivationAttrs
)
)
{
rust = rustc;
release = crate_.release or true;
verbose = crate_.verbose or true;
extraRustcOpts = [ ];
extraRustcOptsForBuildRs = [ ];
features = [ ];
nativeBuildInputs = [ ];
buildInputs = [ ];
crateOverrides = defaultCrateOverrides;
preUnpack = crate_.preUnpack or "";
postUnpack = crate_.postUnpack or "";
prePatch = crate_.prePatch or "";
patches = crate_.patches or [ ];
postPatch = crate_.postPatch or "";
preConfigure = crate_.preConfigure or "";
postConfigure = crate_.postConfigure or "";
preBuild = crate_.preBuild or "";
postBuild = crate_.postBuild or "";
preInstall = crate_.preInstall or "";
postInstall = crate_.postInstall or "";
dependencies = crate_.dependencies or [ ];
buildDependencies = crate_.buildDependencies or [ ];
crateRenames = crate_.crateRenames or { };
buildTests = crate_.buildTests or false;
}

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{stdenv, lib}:
{
kernel = stdenv.hostPlatform.parsed.kernel.name;
abi = stdenv.hostPlatform.parsed.abi.name;
cpu = stdenv.hostPlatform.parsed.cpu.name;
updateFeatures = f: up: functions: lib.deepSeq f (lib.foldl' (features: fun: fun features) (lib.attrsets.recursiveUpdate f up) functions);
mapFeatures = features: map (fun: fun { features = features; });
mkFeatures = feat: lib.foldl (features: featureName:
if feat.${featureName} or false then
[ featureName ] ++ features
else
features
) [] (lib.attrNames feat);
include = includedFiles: src: builtins.filterSource (path: type:
lib.any (f:
let p = toString (src + ("/" + f));
in
p == path || (lib.strings.hasPrefix (p + "/") path)
) includedFiles
) src;
exclude = excludedFiles: src: builtins.filterSource (path: type:
lib.all (f:
!lib.strings.hasPrefix (toString (src + ("/" + f))) path
) excludedFiles
) src;
}

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{ stdenv }:
crateName: metadata: buildTests:
if !buildTests then ''
runHook preInstall
# always create $out even if we do not have binaries. We are detecting binary targets during compilation, if those are missing there is no way to only have $lib
mkdir $out
if [[ -s target/env ]]; then
mkdir -p $lib
cp target/env $lib/env
fi
if [[ -s target/link.final ]]; then
mkdir -p $lib/lib
cp target/link.final $lib/lib/link
fi
if [[ "$(ls -A target/lib)" ]]; then
mkdir -p $lib/lib
cp -r target/lib/* $lib/lib #*/
for library in $lib/lib/*.so $lib/lib/*.dylib; do #*/
ln -s $library $(echo $library | sed -e "s/-${metadata}//")
done
fi
if [[ "$(ls -A target/build)" ]]; then # */
mkdir -p $lib/lib
cp -r target/build/* $lib/lib # */
fi
if [[ -d target/bin ]]; then
if [[ "$(ls -A target/bin)" ]]; then
mkdir -p $out/bin
cp -rP target/bin/* $out/bin # */
fi
fi
runHook postInstall
'' else
# for tests we just put them all in the output. No execution.
''
runHook preInstall
mkdir -p $out/tests
if [ -e target/bin ]; then
find target/bin/ -type f -executable -exec cp {} $out/tests \;
fi
if [ -e target/lib ]; then
find target/lib/ -type f \! -name '*.rlib' \
-a \! -name '*${stdenv.hostPlatform.extensions.sharedLibrary}' \
-a \! -name '*.d' \
-executable \
-print0 | xargs --no-run-if-empty --null install --target $out/tests;
fi
runHook postInstall
''

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echo_build_heading() {
if (( $# == 1 )); then
echo_colored "Building $1"
else
echo_colored "Building $1 ($2)"
fi
}
build_lib() {
lib_src=$1
echo_build_heading $lib_src ${libName}
noisily rustc \
--crate-name $CRATE_NAME \
$lib_src \
--out-dir target/lib \
-L dependency=target/deps \
--cap-lints allow \
$LIB_RUSTC_OPTS \
$BUILD_OUT_DIR \
$EXTRA_BUILD \
$EXTRA_FEATURES \
$EXTRA_RUSTC_FLAGS \
--color $colors
EXTRA_LIB=" --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-$metadata.rlib"
if [ -e target/deps/lib$CRATE_NAME-$metadata$LIB_EXT ]; then
EXTRA_LIB="$EXTRA_LIB --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-$metadata$LIB_EXT"
fi
}
build_bin() {
local crate_name=$1
local crate_name_=$(echo $crate_name | tr '-' '_')
local main_file=""
if [[ ! -z $2 ]]; then
main_file=$2
fi
echo_build_heading $@
noisily rustc \
--crate-name $crate_name_ \
$main_file \
--crate-type bin \
$BIN_RUSTC_OPTS \
--out-dir target/bin \
-L dependency=target/deps \
$LINK \
$EXTRA_LIB \
--cap-lints allow \
$BUILD_OUT_DIR \
$EXTRA_BUILD \
$EXTRA_FEATURES \
$EXTRA_RUSTC_FLAGS \
--color ${colors} \
if [ "$crate_name_" != "$crate_name" ]; then
mv target/bin/$crate_name_ target/bin/$crate_name
fi
}
build_lib_test() {
local file="$1"
EXTRA_RUSTC_FLAGS="--test $EXTRA_RUSTC_FLAGS" build_lib "$1" "$2"
}
build_bin_test() {
local crate="$1"
local file="$2"
EXTRA_RUSTC_FLAGS="--test $EXTRA_RUSTC_FLAGS" build_bin "$1" "$2"
}
build_bin_test_file() {
local file="$1"
local derived_crate_name="${file//\//_}"
derived_crate_name="${derived_crate_name%.rs}"
build_bin_test "$derived_crate_name" "$file"
}
# Add additional link options that were provided by the build script.
setup_link_paths() {
EXTRA_LIB=""
if [[ -e target/link_ ]]; then
EXTRA_BUILD="$(cat target/link_) $EXTRA_BUILD"
fi
echo "$EXTRA_LINK_SEARCH" | while read i; do
if [[ ! -z "$i" ]]; then
for library in $i; do
echo "-L $library" >> target/link
L=$(echo $library | sed -e "s#$(pwd)/target/build#$lib/lib#")
echo "-L $L" >> target/link.final
done
fi
done
echo "$EXTRA_LINK" | while read i; do
if [[ ! -z "$i" ]]; then
for library in $i; do
echo "-l $library" >> target/link
echo "-l $library" >> target/link.final
done
fi
done
if [[ -e target/link ]]; then
tr '\n' ' ' < target/link > target/link_
LINK=$(cat target/link_)
fi
}
search_for_bin_path() {
# heuristic to "guess" the correct source file as found in cargo:
# https://github.com/rust-lang/cargo/blob/90fc9f620190d5fa3c80b0c8c65a1e1361e6b8ae/src/cargo/util/toml/targets.rs#L308-L325
BIN_NAME=$1
BIN_NAME_=$(echo $BIN_NAME | tr '-' '_')
# the first two cases are the "new" default IIRC
FILES=( "src/bin/$BIN_NAME.rs" "src/bin/$BIN_NAME/main.rs" "src/bin/$BIN_NAME_.rs" "src/bin/$BIN_NAME_/main.rs" "src/bin/main.rs" "src/main.rs" )
if ! [ -e "$LIB_PATH" -o -e src/lib.rs -o -e "src/$LIB_NAME.rs" ]; then
# if this is not a library the following path is also valid
FILES=( "src/$BIN_NAME.rs" "src/$BIN_NAME_.rs" "${FILES[@]}" )
fi
for file in "${FILES[@]}";
do
echo "checking file $file"
# first file that exists wins
if [[ -e "$file" ]]; then
BIN_PATH="$file"
break
fi
done
if [[ -z "$BIN_PATH" ]]; then
echo_error "ERROR: failed to find file for binary target: $BIN_NAME" >&2
exit 1
fi
}
# Extracts cargo_toml_path of the matching crate.
matching_cargo_toml_path() {
local manifest_path="$1"
local expected_crate_name="$2"
# If the Cargo.toml is not a workspace root,
# it will only contain one package in ".packages"
# because "--no-deps" suppressed dependency resolution.
#
# But to make it more general, we search for a matching
# crate in all packages and use the manifest path that
# is referenced there.
cargo metadata --no-deps --format-version 1 \
--manifest-path "$manifest_path" \
| jq -r '.packages[]
| select( .name == "'$expected_crate_name'")
| .manifest_path'
}
# Find a Cargo.toml in the current or any sub directory
# with a matching crate name.
matching_cargo_toml_dir() {
local expected_crate_name="$1"
find -L -name Cargo.toml | sort | while read manifest_path; do
echo "...checking manifest_path $manifest_path" >&2
local matching_path="$(matching_cargo_toml_path "$manifest_path" "$expected_crate_name")"
if [ -n "${matching_path}" ]; then
echo "$(dirname $matching_path)"
break
fi
done
}

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{ lib }:
let echo_colored_body = start_escape:
# Body of a function that behaves like "echo" but
# has the output colored by the given start_escape
# sequence. E.g.
#
# * echo_x "Building ..."
# * echo_x -n "Running "
#
# This is more complicated than apparent at first sight
# because:
# * The color markers and the text must be print
# in the same echo statement. Otherise, other
# intermingled text from concurrent builds will
# be colored as well.
# * We need to preserve the trailing newline of the
# echo if and only if it is present. Bash likes
# to strip those if we capture the output of echo
# in a variable.
# * Leading "-" will be interpreted by test as an
# option for itself. Therefore, we prefix it with
# an x in `[[ "x$1" =~ ^x- ]]`.
''
local echo_args="";
while [[ "x$1" =~ ^x- ]]; do
echo_args+=" $1"
shift
done
local start_escape="$(printf '${start_escape}')"
local reset="$(printf '\033[0m')"
echo $echo_args $start_escape"$@"$reset
'';
echo_conditional_colored_body = colors: start_escape:
if colors == "always"
then (echo_colored_body start_escape)
else ''echo "$@"'';
in {
echo_colored = colors: ''
echo_colored() {
${echo_conditional_colored_body colors ''\033[0;1;32m''}
}
echo_error() {
${echo_conditional_colored_body colors ''\033[0;1;31m''}
}
'';
noisily = colors: verbose: ''
noisily() {
${lib.optionalString verbose ''
echo_colored -n "Running "
echo $@
''}
$@
}
'';
}

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{ lib, buildPlatform, buildRustCrate, fetchgit }:
let kernel = buildPlatform.parsed.kernel.name;
abi = buildPlatform.parsed.abi.name;
include = includedFiles: src: builtins.filterSource (path: type:
lib.lists.any (f:
let p = toString (src + ("/" + f)); in
(path == p) || (type == "directory" && lib.strings.hasPrefix path p)
) includedFiles
) src;
updateFeatures = f: up: functions: builtins.deepSeq f (lib.lists.foldl' (features: fun: fun features) (lib.attrsets.recursiveUpdate f up) functions);
mapFeatures = features: map (fun: fun { features = features; });
mkFeatures = feat: lib.lists.foldl (features: featureName:
if feat.${featureName} or false then
[ featureName ] ++ features
else
features
) [] (builtins.attrNames feat);
in
rec {
alloc_no_stdlib_1_3_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
crateName = "alloc-no-stdlib";
version = "1.3.0";
authors = [ "Daniel Reiter Horn <danielrh@dropbox.com>" ];
sha256 = "1jcp27pzmqdszgp80y484g4kwbjbg7x8a589drcwbxg0i8xwkir9";
crateBin = [ { name = "example"; } ];
inherit dependencies buildDependencies features;
};
brotli_2_5_0_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
crateName = "brotli";
version = "2.5.0";
authors = [ "Daniel Reiter Horn <danielrh@dropbox.com>" "The Brotli Authors" ];
sha256 = "1ynw4hkdwnp0kj30p86ls44ahv4s99258s019bqrq4mya8hlsb5b";
crateBin = [ { name = "brotli"; } ];
inherit dependencies buildDependencies features;
};
brotli_decompressor_1_3_1_ = { dependencies?[], buildDependencies?[], features?[] }: buildRustCrate {
crateName = "brotli-decompressor";
version = "1.3.1";
authors = [ "Daniel Reiter Horn <danielrh@dropbox.com>" "The Brotli Authors" ];
sha256 = "022g69q1xzwdj0130qm3fa4qwpn4q1jx3lc8yz0v0v201p7bm8fb";
crateBin = [ { name = "brotli-decompressor"; } ];
inherit dependencies buildDependencies features;
};
alloc_no_stdlib_1_3_0 = { features?(alloc_no_stdlib_1_3_0_features {}) }: alloc_no_stdlib_1_3_0_ {
features = mkFeatures (features.alloc_no_stdlib_1_3_0 or {});
};
alloc_no_stdlib_1_3_0_features = f: updateFeatures f ({
alloc_no_stdlib_1_3_0.default = (f.alloc_no_stdlib_1_3_0.default or true);
}) [];
brotli_2_5_0 = { features?(brotli_2_5_0_features {}) }: brotli_2_5_0_ {
dependencies = mapFeatures features ([ alloc_no_stdlib_1_3_0 brotli_decompressor_1_3_1 ]);
features = mkFeatures (features.brotli_2_5_0 or {});
};
brotli_2_5_0_features = f: updateFeatures f (rec {
alloc_no_stdlib_1_3_0.no-stdlib =
(f.alloc_no_stdlib_1_3_0.no-stdlib or false) ||
(brotli_2_5_0.no-stdlib or false) ||
(f.brotli_2_5_0.no-stdlib or false);
alloc_no_stdlib_1_3_0.default = true;
brotli_2_5_0.default = (f.brotli_2_5_0.default or true);
brotli_decompressor_1_3_1.disable-timer =
(f.brotli_decompressor_1_3_1.disable-timer or false) ||
(brotli_2_5_0.disable-timer or false) ||
(f.brotli_2_5_0.disable-timer or false);
brotli_decompressor_1_3_1.no-stdlib =
(f.brotli_decompressor_1_3_1.no-stdlib or false) ||
(brotli_2_5_0.no-stdlib or false) ||
(f.brotli_2_5_0.no-stdlib or false);
brotli_decompressor_1_3_1.benchmark =
(f.brotli_decompressor_1_3_1.benchmark or false) ||
(brotli_2_5_0.benchmark or false) ||
(f.brotli_2_5_0.benchmark or false);
brotli_decompressor_1_3_1.default = true;
brotli_decompressor_1_3_1.seccomp =
(f.brotli_decompressor_1_3_1.seccomp or false) ||
(brotli_2_5_0.seccomp or false) ||
(f.brotli_2_5_0.seccomp or false);
}) [ alloc_no_stdlib_1_3_0_features brotli_decompressor_1_3_1_features ];
brotli_decompressor_1_3_1 = { features?(brotli_decompressor_1_3_1_features {}) }: brotli_decompressor_1_3_1_ {
dependencies = mapFeatures features ([ alloc_no_stdlib_1_3_0 ]);
features = mkFeatures (features.brotli_decompressor_1_3_1 or {});
};
brotli_decompressor_1_3_1_features = f: updateFeatures f (rec {
alloc_no_stdlib_1_3_0.no-stdlib =
(f.alloc_no_stdlib_1_3_0.no-stdlib or false) ||
(brotli_decompressor_1_3_1.no-stdlib or false) ||
(f.brotli_decompressor_1_3_1.no-stdlib or false);
alloc_no_stdlib_1_3_0.default = true;
alloc_no_stdlib_1_3_0.unsafe =
(f.alloc_no_stdlib_1_3_0.unsafe or false) ||
(brotli_decompressor_1_3_1.unsafe or false) ||
(f.brotli_decompressor_1_3_1.unsafe or false);
brotli_decompressor_1_3_1.default = (f.brotli_decompressor_1_3_1.default or true);
}) [ alloc_no_stdlib_1_3_0_features ];
}

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{ lib
, buildPackages
, buildRustCrate
, callPackage
, releaseTools
, runCommand
, runCommandCC
, stdenv
, symlinkJoin
, writeTextFile
}:
let
mkCrate = buildRustCrate: args: let
p = {
crateName = "nixtestcrate";
version = "0.1.0";
authors = [ "Test <test@example.com>" ];
} // args;
in buildRustCrate p;
mkHostCrate = mkCrate buildRustCrate;
mkCargoToml =
{ name, crateVersion ? "0.1.0", path ? "Cargo.toml" }:
mkFile path ''
[package]
name = ${builtins.toJSON name}
version = ${builtins.toJSON crateVersion}
'';
mkFile = destination: text: writeTextFile {
name = "src";
destination = "/${destination}";
inherit text;
};
mkBin = name: mkFile name ''
use std::env;
fn main() {
let name: String = env::args().nth(0).unwrap();
println!("executed {}", name);
}
'';
mkBinExtern = name: extern: mkFile name ''
extern crate ${extern};
fn main() {
assert_eq!(${extern}::test(), 23);
}
'';
mkTestFile = name: functionName: mkFile name ''
#[cfg(test)]
#[test]
fn ${functionName}() {
assert!(true);
}
'';
mkTestFileWithMain = name: functionName: mkFile name ''
#[cfg(test)]
#[test]
fn ${functionName}() {
assert!(true);
}
fn main() {}
'';
mkLib = name: mkFile name "pub fn test() -> i32 { return 23; }";
mkTest = crateArgs: let
crate = mkHostCrate (builtins.removeAttrs crateArgs ["expectedTestOutput"]);
hasTests = crateArgs.buildTests or false;
expectedTestOutputs = crateArgs.expectedTestOutputs or null;
binaries = map (v: lib.escapeShellArg v.name) (crateArgs.crateBin or []);
isLib = crateArgs ? libName || crateArgs ? libPath;
crateName = crateArgs.crateName or "nixtestcrate";
libName = crateArgs.libName or crateName;
libTestBinary = if !isLib then null else mkHostCrate {
crateName = "run-test-${crateName}";
dependencies = [ crate ];
src = mkBinExtern "src/main.rs" libName;
};
in
assert expectedTestOutputs != null -> hasTests;
assert hasTests -> expectedTestOutputs != null;
runCommand "run-buildRustCrate-${crateName}-test" {
nativeBuildInputs = [ crate ];
} (if !hasTests then ''
${lib.concatMapStringsSep "\n" (binary:
# Can't actually run the binary when cross-compiling
(lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) "type ") + binary
) binaries}
${lib.optionalString isLib ''
test -e ${crate}/lib/*.rlib || exit 1
${lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) "test -x "} \
${libTestBinary}/bin/run-test-${crateName}
''}
touch $out
'' else if stdenv.hostPlatform == stdenv.buildPlatform then ''
for file in ${crate}/tests/*; do
$file 2>&1 >> $out
done
set -e
${lib.concatMapStringsSep "\n" (o: "grep '${o}' $out || { echo 'output \"${o}\" not found in:'; cat $out; exit 23; }") expectedTestOutputs}
'' else ''
for file in ${crate}/tests/*; do
test -x "$file"
done
touch "$out"
''
);
/* Returns a derivation that asserts that the crate specified by `crateArgs`
has the specified files as output.
`name` is used as part of the derivation name that performs the checking.
`crateArgs` is passed to `mkHostCrate` to build the crate with `buildRustCrate`.
`expectedFiles` contains a list of expected file paths in the output. E.g.
`[ "./bin/my_binary" ]`.
`output` specifies the name of the output to use. By default, the default
output is used but e.g. `output = "lib";` will cause the lib output
to be checked instead. You do not need to specify any directories.
*/
assertOutputs = { name, crateArgs, expectedFiles, output? null }:
assert (builtins.isString name);
assert (builtins.isAttrs crateArgs);
assert (builtins.isList expectedFiles);
let
crate = mkHostCrate (builtins.removeAttrs crateArgs ["expectedTestOutput"]);
crateOutput = if output == null then crate else crate."${output}";
expectedFilesFile = writeTextFile {
name = "expected-files-${name}";
text =
let sorted = builtins.sort (a: b: a<b) expectedFiles;
concatenated = builtins.concatStringsSep "\n" sorted;
in "${concatenated}\n";
};
in
runCommand "assert-outputs-${name}" {
} (''
local actualFiles=$(mktemp)
cd "${crateOutput}"
find . -type f \
| sort \
''
# sed out the hash because it differs per platform
+ ''
| sed -E -e 's/-[0-9a-fA-F]{10}\.rlib/-HASH.rlib/g' \
> "$actualFiles"
diff -q ${expectedFilesFile} "$actualFiles" > /dev/null || {
echo -e "\033[0;1;31mERROR: Difference in expected output files in ${crateOutput} \033[0m" >&2
echo === Got:
sed -e 's/^/ /' $actualFiles
echo === Expected:
sed -e 's/^/ /' ${expectedFilesFile}
echo === Diff:
diff -u ${expectedFilesFile} $actualFiles |\
tail -n +3 |\
sed -e 's/^/ /'
exit 1
}
touch $out
'')
;
in rec {
tests = let
cases = rec {
libPath = { libPath = "src/my_lib.rs"; src = mkLib "src/my_lib.rs"; };
srcLib = { src = mkLib "src/lib.rs"; };
# This used to be supported by cargo but as of 1.40.0 I can't make it work like that with just cargo anymore.
# This might be a regression or deprecated thing they finally removed…
# customLibName = { libName = "test_lib"; src = mkLib "src/test_lib.rs"; };
# rustLibTestsCustomLibName = {
# libName = "test_lib";
# src = mkTestFile "src/test_lib.rs" "foo";
# buildTests = true;
# expectedTestOutputs = [ "test foo ... ok" ];
# };
customLibNameAndLibPath = { libName = "test_lib"; libPath = "src/best-lib.rs"; src = mkLib "src/best-lib.rs"; };
crateBinWithPath = { crateBin = [{ name = "test_binary1"; path = "src/foobar.rs"; }]; src = mkBin "src/foobar.rs"; };
crateBinNoPath1 = { crateBin = [{ name = "my-binary2"; }]; src = mkBin "src/my_binary2.rs"; };
crateBinNoPath2 = {
crateBin = [{ name = "my-binary3"; } { name = "my-binary4"; }];
src = symlinkJoin {
name = "buildRustCrateMultipleBinariesCase";
paths = [ (mkBin "src/bin/my_binary3.rs") (mkBin "src/bin/my_binary4.rs") ];
};
};
crateBinNoPath3 = { crateBin = [{ name = "my-binary5"; }]; src = mkBin "src/bin/main.rs"; };
crateBinNoPath4 = { crateBin = [{ name = "my-binary6"; }]; src = mkBin "src/main.rs";};
crateBinRename1 = {
crateBin = [{ name = "my-binary-rename1"; }];
src = mkBinExtern "src/main.rs" "foo_renamed";
dependencies = [ (mkHostCrate { crateName = "foo"; src = mkLib "src/lib.rs"; }) ];
crateRenames = { "foo" = "foo_renamed"; };
};
crateBinRename2 = {
crateBin = [{ name = "my-binary-rename2"; }];
src = mkBinExtern "src/main.rs" "foo_renamed";
dependencies = [ (mkHostCrate { crateName = "foo"; libName = "foolib"; src = mkLib "src/lib.rs"; }) ];
crateRenames = { "foo" = "foo_renamed"; };
};
crateBinRenameMultiVersion = let
crateWithVersion = version: mkHostCrate {
crateName = "my_lib";
inherit version;
src = mkFile "src/lib.rs" ''
pub const version: &str = "${version}";
'';
};
depCrate01 = crateWithVersion "0.1.2";
depCrate02 = crateWithVersion "0.2.1";
in {
crateName = "my_bin";
src = symlinkJoin {
name = "my_bin_src";
paths = [
(mkFile "src/main.rs" ''
#[test]
fn my_lib_01() { assert_eq!(lib01::version, "0.1.2"); }
#[test]
fn my_lib_02() { assert_eq!(lib02::version, "0.2.1"); }
fn main() { }
'')
];
};
dependencies = [ depCrate01 depCrate02 ];
crateRenames = {
"my_lib" = [
{
version = "0.1.2";
rename = "lib01";
}
{
version = "0.2.1";
rename = "lib02";
}
];
};
buildTests = true;
expectedTestOutputs = [
"test my_lib_01 ... ok"
"test my_lib_02 ... ok"
];
};
rustLibTestsDefault = {
src = mkTestFile "src/lib.rs" "baz";
buildTests = true;
expectedTestOutputs = [ "test baz ... ok" ];
};
rustLibTestsCustomLibPath = {
libPath = "src/test_path.rs";
src = mkTestFile "src/test_path.rs" "bar";
buildTests = true;
expectedTestOutputs = [ "test bar ... ok" ];
};
rustLibTestsCustomLibPathWithTests = {
libPath = "src/test_path.rs";
src = symlinkJoin {
name = "rust-lib-tests-custom-lib-path-with-tests-dir";
paths = [
(mkTestFile "src/test_path.rs" "bar")
(mkTestFile "tests/something.rs" "something")
];
};
buildTests = true;
expectedTestOutputs = [
"test bar ... ok"
"test something ... ok"
];
};
rustBinTestsCombined = {
src = symlinkJoin {
name = "rust-bin-tests-combined";
paths = [
(mkTestFileWithMain "src/main.rs" "src_main")
(mkTestFile "tests/foo.rs" "tests_foo")
(mkTestFile "tests/bar.rs" "tests_bar")
];
};
buildTests = true;
expectedTestOutputs = [
"test src_main ... ok"
"test tests_foo ... ok"
"test tests_bar ... ok"
];
};
rustBinTestsSubdirCombined = {
src = symlinkJoin {
name = "rust-bin-tests-subdir-combined";
paths = [
(mkTestFileWithMain "src/main.rs" "src_main")
(mkTestFile "tests/foo/main.rs" "tests_foo")
(mkTestFile "tests/bar/main.rs" "tests_bar")
];
};
buildTests = true;
expectedTestOutputs = [
"test src_main ... ok"
"test tests_foo ... ok"
"test tests_bar ... ok"
];
};
linkAgainstRlibCrate = {
crateName = "foo";
src = mkFile "src/main.rs" ''
extern crate somerlib;
fn main() {}
'';
dependencies = [
(mkHostCrate {
crateName = "somerlib";
type = [ "rlib" ];
src = mkLib "src/lib.rs";
})
];
};
buildScriptDeps = let
depCrate = buildRustCrate: boolVal: mkCrate buildRustCrate {
crateName = "bar";
src = mkFile "src/lib.rs" ''
pub const baz: bool = ${boolVal};
'';
};
in {
crateName = "foo";
src = symlinkJoin {
name = "build-script-and-main";
paths = [
(mkFile "src/main.rs" ''
extern crate bar;
#[cfg(test)]
#[test]
fn baz_false() { assert!(!bar::baz); }
fn main() { }
'')
(mkFile "build.rs" ''
extern crate bar;
fn main() { assert!(bar::baz); }
'')
];
};
buildDependencies = [ (depCrate buildPackages.buildRustCrate "true") ];
dependencies = [ (depCrate buildRustCrate "false") ];
buildTests = true;
expectedTestOutputs = [ "test baz_false ... ok" ];
};
buildScriptFeatureEnv = {
crateName = "build-script-feature-env";
features = [ "some-feature" "crate/another_feature" ];
src = symlinkJoin {
name = "build-script-feature-env";
paths = [
(mkFile "src/main.rs" ''
#[cfg(test)]
#[test]
fn feature_not_visible() {
assert!(std::env::var("CARGO_FEATURE_SOME_FEATURE").is_err());
assert!(option_env!("CARGO_FEATURE_SOME_FEATURE").is_none());
}
fn main() {}
'')
(mkFile "build.rs" ''
fn main() {
assert!(std::env::var("CARGO_FEATURE_SOME_FEATURE").is_ok());
assert!(option_env!("CARGO_FEATURE_SOME_FEATURE").is_none());
}
'')
];
};
buildTests = true;
expectedTestOutputs = [ "test feature_not_visible ... ok" ];
};
# Regression test for https://github.com/NixOS/nixpkgs/pull/88054
# Build script output should be rewritten as valid env vars.
buildScriptIncludeDirDeps = let
depCrate = mkHostCrate {
crateName = "bar";
src = symlinkJoin {
name = "build-script-and-include-dir-bar";
paths = [
(mkFile "src/lib.rs" ''
fn main() { }
'')
(mkFile "build.rs" ''
use std::path::PathBuf;
fn main() { println!("cargo:include-dir={}/src", std::env::current_dir().unwrap_or(PathBuf::from(".")).to_str().unwrap()); }
'')
];
};
};
in {
crateName = "foo";
src = symlinkJoin {
name = "build-script-and-include-dir-foo";
paths = [
(mkFile "src/main.rs" ''
fn main() { }
'')
(mkFile "build.rs" ''
fn main() { assert!(std::env::var_os("DEP_BAR_INCLUDE_DIR").is_some()); }
'')
];
};
buildDependencies = [ depCrate ];
dependencies = [ depCrate ];
};
# Regression test for https://github.com/NixOS/nixpkgs/issues/74071
# Whenevever a build.rs file is generating files those should not be overlayed onto the actual source dir
buildRsOutDirOverlay = {
src = symlinkJoin {
name = "buildrs-out-dir-overlay";
paths = [
(mkLib "src/lib.rs")
(mkFile "build.rs" ''
use std::env;
use std::ffi::OsString;
use std::fs;
use std::path::Path;
fn main() {
let out_dir = env::var_os("OUT_DIR").expect("OUT_DIR not set");
let out_file = Path::new(&out_dir).join("lib.rs");
fs::write(out_file, "invalid rust code!").expect("failed to write lib.rs");
}
'')
];
};
};
# Regression test for https://github.com/NixOS/nixpkgs/pull/83379
# link flag order should be preserved
linkOrder = {
src = symlinkJoin {
name = "buildrs-out-dir-overlay";
paths = [
(mkFile "build.rs" ''
fn main() {
// in the other order, linkage will fail
println!("cargo:rustc-link-lib=b");
println!("cargo:rustc-link-lib=a");
}
'')
(mkFile "src/main.rs" ''
extern "C" {
fn hello_world();
}
fn main() {
unsafe {
hello_world();
}
}
'')
];
};
buildInputs = let
compile = name: text: let
src = writeTextFile {
name = "${name}-src.c";
inherit text;
};
in runCommandCC name {} ''
mkdir -p $out/lib
# Note: On darwin (which defaults to clang) we have to add
# `-undefined dynamic_lookup` as otherwise the compilation fails.
$CC -shared \
${lib.optionalString stdenv.isDarwin "-undefined dynamic_lookup"} \
-o $out/lib/${name}${stdenv.hostPlatform.extensions.sharedLibrary} ${src}
'';
b = compile "libb" ''
#include <stdio.h>
void hello();
void hello_world() {
hello();
printf(" world!\n");
}
'';
a = compile "liba" ''
#include <stdio.h>
void hello() {
printf("hello");
}
'';
in [ a b ];
};
rustCargoTomlInSubDir = {
# The "workspace_member" can be set to the sub directory with the crate to build.
# By default ".", meaning the top level directory is assumed.
# Using null will trigger a search.
workspace_member = null;
src = symlinkJoin rec {
name = "find-cargo-toml";
paths = [
(mkCargoToml { name = "ignoreMe"; })
(mkTestFileWithMain "src/main.rs" "ignore_main")
(mkCargoToml { name = "rustCargoTomlInSubDir"; path = "subdir/Cargo.toml"; })
(mkTestFileWithMain "subdir/src/main.rs" "src_main")
(mkTestFile "subdir/tests/foo/main.rs" "tests_foo")
(mkTestFile "subdir/tests/bar/main.rs" "tests_bar")
];
};
buildTests = true;
expectedTestOutputs = [
"test src_main ... ok"
"test tests_foo ... ok"
"test tests_bar ... ok"
];
};
rustCargoTomlInTopDir =
let
withoutCargoTomlSearch = builtins.removeAttrs rustCargoTomlInSubDir [ "workspace_member" ];
in
withoutCargoTomlSearch // {
expectedTestOutputs = [
"test ignore_main ... ok"
];
};
procMacroInPrelude = {
procMacro = true;
edition = "2018";
src = symlinkJoin {
name = "proc-macro-in-prelude";
paths = [
(mkFile "src/lib.rs" ''
use proc_macro::TokenTree;
'')
];
};
};
};
brotliCrates = (callPackage ./brotli-crates.nix {});
tests = lib.mapAttrs (key: value: mkTest (value // lib.optionalAttrs (!value?crateName) { crateName = key; })) cases;
in tests // rec {
crateBinWithPathOutputs = assertOutputs {
name="crateBinWithPath";
crateArgs = {
crateBin = [{ name = "test_binary1"; path = "src/foobar.rs"; }];
src = mkBin "src/foobar.rs";
};
expectedFiles = [
"./bin/test_binary1"
];
};
crateBinWithPathOutputsDebug = assertOutputs {
name="crateBinWithPath";
crateArgs = {
release = false;
crateBin = [{ name = "test_binary1"; path = "src/foobar.rs"; }];
src = mkBin "src/foobar.rs";
};
expectedFiles = [
"./bin/test_binary1"
] ++ lib.optionals stdenv.isDarwin [
# On Darwin, the debug symbols are in a seperate directory.
"./bin/test_binary1.dSYM/Contents/Info.plist"
"./bin/test_binary1.dSYM/Contents/Resources/DWARF/test_binary1"
];
};
crateBinNoPath1Outputs = assertOutputs {
name="crateBinNoPath1";
crateArgs = {
crateBin = [{ name = "my-binary2"; }];
src = mkBin "src/my_binary2.rs";
};
expectedFiles = [
"./bin/my-binary2"
];
};
crateLibOutputs = assertOutputs {
name="crateLib";
output="lib";
crateArgs = {
libName = "test_lib";
type = [ "rlib" ];
libPath = "src/lib.rs";
src = mkLib "src/lib.rs";
};
expectedFiles = [
"./nix-support/propagated-build-inputs"
"./lib/libtest_lib-HASH.rlib"
"./lib/link"
];
};
crateLibOutputsDebug = assertOutputs {
name="crateLib";
output="lib";
crateArgs = {
release = false;
libName = "test_lib";
type = [ "rlib" ];
libPath = "src/lib.rs";
src = mkLib "src/lib.rs";
};
expectedFiles = [
"./nix-support/propagated-build-inputs"
"./lib/libtest_lib-HASH.rlib"
"./lib/link"
];
};
brotliTest = let
pkg = brotliCrates.brotli_2_5_0 {};
in runCommand "run-brotli-test-cmd" {
nativeBuildInputs = [ pkg ];
} (if stdenv.hostPlatform == stdenv.buildPlatform then ''
${pkg}/bin/brotli -c ${pkg}/bin/brotli > /dev/null && touch $out
'' else ''
test -x '${pkg}/bin/brotli' && touch $out
'');
allocNoStdLibTest = let
pkg = brotliCrates.alloc_no_stdlib_1_3_0 {};
in runCommand "run-alloc-no-stdlib-test-cmd" {
nativeBuildInputs = [ pkg ];
} ''
test -e ${pkg}/bin/example && touch $out
'';
brotliDecompressorTest = let
pkg = brotliCrates.brotli_decompressor_1_3_1 {};
in runCommand "run-brotli-decompressor-test-cmd" {
nativeBuildInputs = [ pkg ];
} ''
test -e ${pkg}/bin/brotli-decompressor && touch $out
'';
};
test = releaseTools.aggregate {
name = "buildRustCrate-tests";
meta = {
description = "Test cases for buildRustCrate";
maintainers = [ ];
};
constituents = builtins.attrValues tests;
};
}