nixpkgs/pkgs/development/tools/build-managers/bazel/protobuf-test.nix

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{
bazel
, bazelTest
, fetchFromGitHub
, fetchurl
, gccStdenv
, lib
, openjdk8
, runLocal
, runtimeShell
, writeScript
, writeText
, distDir
}:
let
com_google_protobuf = fetchFromGitHub {
owner = "protocolbuffers";
repo = "protobuf";
rev = "v3.13.0";
sha256 = "1nqsvi2yfr93kiwlinz8z7c68ilg1j75b2vcpzxzvripxx5h6xhd";
};
bazel_skylib = fetchFromGitHub {
owner = "bazelbuild";
repo = "bazel-skylib";
rev = "2ec2e6d715e993d96ad6222770805b5bd25399ae";
sha256 = "1z2r2vx6kj102zvp3j032djyv99ski1x1sl4i3p6mswnzrzna86s";
};
rules_python = fetchFromGitHub {
owner = "bazelbuild";
repo = "rules_python";
rev = "c8c79aae9aa1b61d199ad03d5fe06338febd0774";
sha256 = "1zn58wv5wcylpi0xj7riw34i1jjpqahanxx8y9srwrv0v93b6pqz";
};
rules_proto = fetchFromGitHub {
owner = "bazelbuild";
repo = "rules_proto";
rev = "a0761ed101b939e19d83b2da5f59034bffc19c12";
sha256 = "09lqfj5fxm1fywxr5w8pnpqd859gb6751jka9fhxjxjzs33glhqf";
};
net_zlib = fetchurl rec {
url = "https://zlib.net/zlib-1.2.11.tar.gz";
sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1";
passthru.sha256 = sha256;
};
WORKSPACE = writeText "WORKSPACE" ''
workspace(name = "our_workspace")
load("//:proto-support.bzl", "protobuf_deps")
protobuf_deps()
load("@rules_proto//proto:repositories.bzl", "rules_proto_toolchains")
rules_proto_toolchains()
'';
protoSupport = writeText "proto-support.bzl" ''
"""Load dependencies needed to compile the protobuf library as a 3rd-party consumer."""
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
def protobuf_deps():
"""Loads common dependencies needed to compile the protobuf library."""
if "zlib" not in native.existing_rules():
# proto_library, cc_proto_library, and java_proto_library rules implicitly
# depend on @com_google_protobuf for protoc and proto runtimes.
# This statement defines the @com_google_protobuf repo.
native.local_repository(
name = "com_google_protobuf",
path = "${com_google_protobuf}",
)
native.local_repository(
name = "bazel_skylib",
path = "${bazel_skylib}",
)
native.local_repository(
name = "rules_proto",
path = "${rules_proto}",
)
native.local_repository(
name = "rules_python",
path = "${rules_python}",
)
http_archive(
name = "zlib",
build_file = "@com_google_protobuf//:third_party/zlib.BUILD",
sha256 = "${net_zlib.sha256}",
strip_prefix = "zlib-1.2.11",
urls = ["file://${net_zlib}"],
)
'';
personProto = writeText "person.proto" ''
syntax = "proto3";
package person;
message Person {
string name = 1;
int32 id = 2;
string email = 3;
}
'';
personBUILD = writeText "BUILD" ''
load("@rules_proto//proto:defs.bzl", "proto_library")
proto_library(
name = "person_proto",
srcs = ["person.proto"],
visibility = ["//visibility:public"],
)
java_proto_library(
name = "person_java_proto",
deps = [":person_proto"],
)
cc_proto_library(
name = "person_cc_proto",
deps = [":person_proto"],
)
'';
toolsBazel = writeScript "bazel" ''
#! ${runtimeShell}
export CXX='${gccStdenv.cc}/bin/g++'
export LD='${gccStdenv.cc}/bin/ld'
export CC='${gccStdenv.cc}/bin/gcc'
# XXX: hack for macosX, this flags disable bazel usage of xcode
# See: https://github.com/bazelbuild/bazel/issues/4231
export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1
exec "$BAZEL_REAL" "$@"
'';
workspaceDir = runLocal "our_workspace" {} (''
mkdir $out
cp ${WORKSPACE} $out/WORKSPACE
touch $out/BUILD.bazel
cp ${protoSupport} $out/proto-support.bzl
mkdir $out/person
cp ${personProto} $out/person/person.proto
cp ${personBUILD} $out/person/BUILD.bazel
''
+ (lib.optionalString gccStdenv.isDarwin ''
mkdir $out/tools
cp ${toolsBazel} $out/tools/bazel
''));
testBazel = bazelTest {
name = "bazel-test-protocol-buffers";
inherit workspaceDir;
bazelPkg = bazel;
buildInputs = [ openjdk8 ];
bazelScript = ''
${bazel}/bin/bazel \
build \
--distdir=${distDir} \
--host_javabase='@local_jdk//:jdk' \
--java_toolchain='@bazel_tools//tools/jdk:toolchain_hostjdk8' \
--javabase='@local_jdk//:jdk' \
--verbose_failures \
//...
'';
};
in testBazel