110 lines
3.6 KiB
Nix
110 lines
3.6 KiB
Nix
{ buildBazelPackage
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, bazel_5
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, fetchFromGitHub
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, git
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, go
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, python3
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, lib, stdenv
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}:
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let
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patches = [
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./use-go-in-path.patch
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];
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# Patch the protoc alias so that it always builds from source.
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rulesProto = fetchFromGitHub {
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owner = "bazelbuild";
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repo = "rules_proto";
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rev = "4.0.0-3.19.2";
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sha256 = "sha256-wdmp+Tmf63PPr7G4X5F7rDas45WEETU3eKb47PFVI6o=";
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postFetch = ''
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sed -i 's|name = "protoc"|name = "_protoc_original"|' $out/proto/private/BUILD.release
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cat <<EOF >>$out/proto/private/BUILD.release
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alias(name = "protoc", actual = "@com_github_protocolbuffers_protobuf//:protoc", visibility = ["//visibility:public"])
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EOF
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'';
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};
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in
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buildBazelPackage rec {
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pname = "bazel-watcher";
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version = "0.17.0";
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src = fetchFromGitHub {
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owner = "bazelbuild";
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repo = "bazel-watcher";
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rev = "v${version}";
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sha256 = "sha256-aK18Q2nYxYajk9f/EEmtV7YJ8cYqbamR7vh3BTgu53Q=";
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};
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nativeBuildInputs = [ go git python3 ];
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removeRulesCC = false;
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bazel = bazel_5;
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bazelFlags = [ "--override_repository=rules_proto=${rulesProto}" ];
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bazelBuildFlags = lib.optionals stdenv.cc.isClang [ "--cxxopt=-x" "--cxxopt=c++" "--host_cxxopt=-x" "--host_cxxopt=c++" ];
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bazelTarget = "//ibazel";
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fetchConfigured = false; # we want to fetch all dependencies, regardless of the current system
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fetchAttrs = {
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inherit patches;
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preBuild = ''
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patchShebangs .
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echo ${bazel_5.version} > .bazelversion
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'';
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preInstall = ''
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# Remove the go_sdk (it's just a copy of the go derivation) and all
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# references to it from the marker files. Bazel does not need to download
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# this sdk because we have patched the WORKSPACE file to point to the one
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# currently present in PATH. Without removing the go_sdk from the marker
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# file, the hash of it will change anytime the Go derivation changes and
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# that would lead to impurities in the marker files which would result in
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# a different sha256 for the fetch phase.
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rm -rf $bazelOut/external/{go_sdk,\@go_sdk.marker}
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sed -e '/^FILE:@go_sdk.*/d' -i $bazelOut/external/\@*.marker
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# Retains go build input markers
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chmod -R 755 $bazelOut/external/{bazel_gazelle_go_repository_cache,@\bazel_gazelle_go_repository_cache.marker}
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rm -rf $bazelOut/external/{bazel_gazelle_go_repository_cache,@\bazel_gazelle_go_repository_cache.marker}
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# Remove the gazelle tools, they contain go binaries that are built
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# non-deterministically. As long as the gazelle version matches the tools
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# should be equivalent.
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rm -rf $bazelOut/external/{bazel_gazelle_go_repository_tools,\@bazel_gazelle_go_repository_tools.marker}
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sed -e '/^FILE:@bazel_gazelle_go_repository_tools.*/d' -i $bazelOut/external/\@*.marker
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# remove com_google_protobuf because it had files with different permissions on linux and darwin
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rm -rf $bazelOut/external/com_google_protobuf
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'';
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sha256 = "sha256-R+Hc9ldYcKgAXETKr2+Hk7IrjJ93WkrjyJ1SQRoM9V4=";
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};
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buildAttrs = {
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inherit patches;
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preBuild = ''
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patchShebangs .
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substituteInPlace ibazel/BUILD --replace '{STABLE_GIT_VERSION}' ${version}
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echo ${bazel_5.version} > .bazelversion
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'';
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installPhase = ''
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install -Dm755 bazel-bin/ibazel/ibazel_/ibazel $out/bin/ibazel
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'';
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};
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meta = with lib; {
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homepage = "https://github.com/bazelbuild/bazel-watcher";
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description = "Tools for building Bazel targets when source files change";
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license = licenses.asl20;
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maintainers = with maintainers; [ kalbasit ];
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mainProgram = "ibazel";
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platforms = platforms.all;
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};
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}
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