155 lines
4 KiB
Nix
155 lines
4 KiB
Nix
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{
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bazel
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, bazelTest
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, fetchFromGitHub
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, fetchurl
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, gccStdenv
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, lib
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, openjdk8
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, runLocal
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, runtimeShell
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, writeScript
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, writeText
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, distDir
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}:
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let
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com_google_protobuf = fetchFromGitHub {
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owner = "protocolbuffers";
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repo = "protobuf";
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rev = "v3.7.0";
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sha256 = "0nlxif4cajqllsj2vdh7zp14ag48fb8lsa64zmq8625q9m2lcmdh";
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};
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bazel_skylib = fetchFromGitHub {
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owner = "bazelbuild";
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repo = "bazel-skylib";
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rev = "f83cb8dd6f5658bc574ccd873e25197055265d1c";
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sha256 = "091fb0ky0956wgv8gghy9ay3yfx6497mb72qvibf0y9dllmxyn9l";
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};
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net_zlib = fetchurl rec {
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url = "https://zlib.net/zlib-1.2.11.tar.gz";
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sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1";
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passthru.sha256 = sha256;
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};
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WORKSPACE = writeText "WORKSPACE" ''
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workspace(name = "our_workspace")
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load("//:proto-support.bzl", "protobuf_deps")
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protobuf_deps()
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'';
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protoSupport = writeText "proto-support.bzl" ''
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"""Load dependencies needed to compile the protobuf library as a 3rd-party consumer."""
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load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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def protobuf_deps():
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"""Loads common dependencies needed to compile the protobuf library."""
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if "zlib" not in native.existing_rules():
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# proto_library, cc_proto_library, and java_proto_library rules implicitly
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# depend on @com_google_protobuf for protoc and proto runtimes.
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# This statement defines the @com_google_protobuf repo.
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native.local_repository(
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name = "com_google_protobuf",
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path = "${com_google_protobuf}",
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)
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native.local_repository(
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name = "bazel_skylib",
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path = "${bazel_skylib}",
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)
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native.bind(
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name = "zlib",
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actual = "@net_zlib//:zlib",
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)
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http_archive(
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name = "net_zlib",
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build_file = "@com_google_protobuf//:third_party/zlib.BUILD",
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sha256 = "${net_zlib.sha256}",
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strip_prefix = "zlib-1.2.11",
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urls = ["file://${net_zlib}"],
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)
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'';
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personProto = writeText "person.proto" ''
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syntax = "proto3";
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package person;
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message Person {
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string name = 1;
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int32 id = 2;
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string email = 3;
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}
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'';
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personBUILD = writeText "BUILD" ''
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proto_library(
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name = "person_proto",
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srcs = ["person.proto"],
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visibility = ["//visibility:public"],
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)
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java_proto_library(
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name = "person_java_proto",
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deps = [":person_proto"],
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)
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cc_proto_library(
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name = "person_cc_proto",
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deps = [":person_proto"],
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)
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'';
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toolsBazel = writeScript "bazel" ''
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#! ${runtimeShell}
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export CXX='${gccStdenv.cc}/bin/g++'
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export LD='${gccStdenv.cc}/bin/ld'
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export CC='${gccStdenv.cc}/bin/gcc'
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# XXX: hack for macosX, this flags disable bazel usage of xcode
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# See: https://github.com/bazelbuild/bazel/issues/4231
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export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1
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exec "$BAZEL_REAL" "$@"
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'';
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workspaceDir = runLocal "our_workspace" {} (''
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mkdir $out
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cp ${WORKSPACE} $out/WORKSPACE
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touch $out/BUILD.bazel
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cp ${protoSupport} $out/proto-support.bzl
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mkdir $out/person
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cp ${personProto} $out/person/person.proto
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cp ${personBUILD} $out/person/BUILD.bazel
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''
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+ (lib.optionalString gccStdenv.isDarwin ''
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mkdir $out/tools
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cp ${toolsBazel} $out/tools/bazel
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''));
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testBazel = bazelTest {
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name = "bazel-test-protocol-buffers";
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inherit workspaceDir;
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bazelPkg = bazel;
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buildInputs = [ openjdk8 ];
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bazelScript = ''
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${bazel}/bin/bazel \
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build \
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--distdir=${distDir} \
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--host_javabase='@local_jdk//:jdk' \
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--java_toolchain='@bazel_tools//tools/jdk:toolchain_hostjdk8' \
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--javabase='@local_jdk//:jdk' \
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--verbose_failures \
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//...
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'';
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};
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in testBazel
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