{ bazel , bazelTest , fetchFromGitHub , fetchurl , stdenv , darwin , lib , openjdk8 , jdk11_headless , 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" '' #! ${runtimeShell} export CXX='${stdenv.cc}/bin/clang++' export LD='${darwin.cctools}/bin/ld' export LIBTOOL='${darwin.cctools}/bin/libtool' export CC='${stdenv.cc}/bin/clang' # XXX: hack for macosX, this flags disable bazel usage of xcode # See: https://github.com/bazelbuild/bazel/issues/4231 export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1 exec "$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 stdenv.isDarwin '' mkdir $out/tools cp ${toolsBazel} $out/tools/bazel '')); testBazel = bazelTest { name = "bazel-test-protocol-buffers"; inherit workspaceDir; bazelPkg = bazel; buildInputs = [ (if lib.strings.versionOlder bazel.version "5.0.0" then openjdk8 else jdk11_headless) ]; bazelScript = '' ${bazel}/bin/bazel \ build \ --distdir=${distDir} \ --verbose_failures \ --curses=no \ --sandbox_debug \ --strict_java_deps=off \ --strict_proto_deps=off \ //... \ '' + lib.optionalString (lib.strings.versionOlder bazel.version "5.0.0") '' --host_javabase='@local_jdk//:jdk' \ --java_toolchain='@bazel_tools//tools/jdk:toolchain_hostjdk8' \ --javabase='@local_jdk//:jdk' \ '' + lib.optionalString (stdenv.isDarwin) '' --cxxopt=-x --cxxopt=c++ --host_cxxopt=-x --host_cxxopt=c++ \ --linkopt=-stdlib=libc++ --host_linkopt=-stdlib=libc++ \ ''; }; in testBazel