BUILD.bazel

# Protobuf Ruby runtime
#
# See also code generation logic under /src/google/protobuf/compiler/ruby.

load("@bazel_skylib//lib:selects.bzl", "selects")
load("@bazel_skylib//rules:common_settings.bzl", "string_flag")
load("@rules_pkg//:mappings.bzl", "pkg_files", "strip_prefix")
load("@rules_ruby//ruby:defs.bzl", "ruby_library")
load("//build_defs:internal_shell.bzl", "inline_sh_binary")
load("//:protobuf.bzl", "internal_ruby_proto_library")
load("//conformance:defs.bzl", "conformance_test")
load("//:protobuf_version.bzl", "PROTOBUF_RUBY_VERSION")

################################################################################
# Ruby Runtime
################################################################################

string_flag(
    name = "ffi",
    build_setting_default = "disabled",
    values = [
        "enabled",
        "disabled",
    ],
)

config_setting(
    name = "ffi_enabled",
    flag_values = {
        ":ffi": "enabled",
    },
)

config_setting(
    name = "ffi_disabled",
    flag_values = {
        ":ffi": "disabled",
    },
)

selects.config_setting_group(
    name = "jruby_ffi",
    match_all = [
        ":ffi_enabled",
        "@rules_ruby//ruby/runtime:config_jruby",
    ],
)

selects.config_setting_group(
    name = "jruby_native",
    match_all = [
        ":ffi_disabled",
        "@rules_ruby//ruby/runtime:config_jruby",
    ],
)

selects.config_setting_group(
    name = "ruby_ffi",
    match_all = [
        ":ffi_enabled",
        "@rules_ruby//ruby/runtime:config_ruby",
    ],
)

selects.config_setting_group(
    name = "ruby_native",
    match_all = [
        ":ffi_disabled",
        "@rules_ruby//ruby/runtime:config_ruby",
    ],
)

selects.config_setting_group(
    name = "macos_ffi_enabled",
    match_all = [
        ":ffi_enabled",
        "@platforms//os:osx",
    ],
)

selects.config_setting_group(
    name = "linux_ffi_enabled",
    match_all = [
        ":ffi_enabled",
        "@platforms//os:linux",
    ],
)

ruby_library(
    name = "protobuf",
    visibility = [
        "//visibility:public",
    ],
    deps = ["//ruby/lib/google:protobuf_lib"],
)

# Note: these can be greatly simplified using inline_sh_binary in Bazel 6,
# but doesn't work prior to that due to https://github.com/bazelbuild/bazel/issues/15043.
# Instead, we need to manually copy all of the srcs into gendir from a genrule.
genrule(
    name = "jruby_release",
    srcs = [
        "@utf8_range//:utf8_range_srcs",
        "@utf8_range//:LICENSE",
        "//ruby/lib/google:copy_jar",
        "//ruby/lib/google:dist_files",
        "//ruby/ext/google/protobuf_c:dist_files",
        "//:well_known_ruby_protos",
        "google-protobuf.gemspec",
    ],
    outs = ["google-protobuf-" + PROTOBUF_RUBY_VERSION + "-java.gem"],
    cmd = """
        set -eux
        mkdir tmp
        for src in $(SRCS); do
            cp --parents -L "$$src" tmp
        done
        mkdir -p "tmp/ruby/ext/google/protobuf_c/third_party/utf8_range"
        for utf in $(execpaths @utf8_range//:utf8_range_srcs) $(execpath @utf8_range//:LICENSE); do
            mv "tmp/$$utf" "tmp/ruby/ext/google/protobuf_c/third_party/utf8_range"
        done
        for wkt in $(execpaths //:well_known_ruby_protos); do
            mv "tmp/$$wkt" "tmp/ruby/lib/google/protobuf/"
        done
        mv "tmp/$(execpath //ruby/lib/google:copy_jar)" "tmp/ruby/lib/google"
        cd tmp/ruby
        chmod -R 777 ./
        gem build google-protobuf.gemspec
        cd ../..
        mv tmp/ruby/google-protobuf-*.gem $@
    """,
    tags = ["manual"],
    target_compatible_with = select({
        "@rules_ruby//ruby/runtime:config_jruby": [],
        "//conditions:default": ["@platforms//:incompatible"],
    }),
)

genrule(
    name = "ruby_release",
    srcs = [
        "@utf8_range//:utf8_range_srcs",
        "@utf8_range//:LICENSE",
        "//:well_known_ruby_protos",
        "//ruby/ext/google/protobuf_c:dist_files",
        "//ruby/lib/google:dist_files",
        "google-protobuf.gemspec",
    ],
    outs = ["google-protobuf-" + PROTOBUF_RUBY_VERSION + ".gem"],
    cmd = """
        set -eux
        mkdir tmp
        for src in $(SRCS); do
            cp --parents -L "$$src" "tmp"
        done
        mkdir -p "tmp/ruby/ext/google/protobuf_c/third_party/utf8_range"
        for utf in $(execpaths @utf8_range//:utf8_range_srcs) $(execpath @utf8_range//:LICENSE); do
            mv "tmp/$$utf" "tmp/ruby/ext/google/protobuf_c/third_party/utf8_range"
        done
        for wkt in $(execpaths //:well_known_ruby_protos); do
            mv "tmp/$$wkt" "tmp/ruby/lib/google/protobuf/"
        done
        cd tmp/ruby
        chmod -R 777 ./
        gem build google-protobuf.gemspec
        cd ../..
        mv tmp/ruby/google-protobuf-*.gem $@
    """,
    tags = ["manual"],
    target_compatible_with = select({
        "@rules_ruby//ruby/runtime:config_ruby": [],
        "//conditions:default": ["@platforms//:incompatible"],
    }),
)

filegroup(
    name = "release",
    srcs = select({
        "@rules_ruby//ruby/runtime:config_jruby": [":jruby_release"],
        "//conditions:default": [":ruby_release"],
    }),
    tags = ["manual"],
)

################################################################################
# Tests
################################################################################

# Define this here so the descriptor paths match what we get in Rake tests.
internal_ruby_proto_library(
    name = "test_ruby_protos",
    srcs = ["//ruby/tests:test_protos"],
    includes = [
        ".",
        "ruby/tests",
        "src",
    ],
    visibility = [
        "//ruby:__subpackages__",
    ],
    deps = ["//:well_known_ruby_protos"],
)

conformance_test(
    name = "conformance_test",
    failure_list = "//conformance:failure_list_ruby.txt",
    target_compatible_with = select({
        ":ruby_native": [],
        "//conditions:default": ["@platforms//:incompatible"],
    }),
    testee = "//conformance:conformance_ruby",
    text_format_failure_list = "//conformance:text_format_failure_list_ruby.txt",
)

conformance_test(
    name = "conformance_test_ffi",
    env = {
        "PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION": "ffi",
    },
    failure_list = "//conformance:failure_list_ruby.txt",
    target_compatible_with = select({
        ":ruby_ffi": [],
        "//conditions:default": ["@platforms//:incompatible"],
    }),
    testee = "//conformance:conformance_ruby",
    text_format_failure_list = "//conformance:text_format_failure_list_ruby.txt",
)

conformance_test(
    name = "conformance_test_jruby",
    failure_list = "//conformance:failure_list_jruby.txt",
    target_compatible_with = select({
        ":jruby_native": [],
        "//conditions:default": ["@platforms//:incompatible"],
    }),
    testee = "//conformance:conformance_ruby",
    text_format_failure_list = "//conformance:text_format_failure_list_jruby.txt",
)

conformance_test(
    name = "conformance_test_jruby_ffi",
    env = {
        "PROTOCOL_BUFFERS_RUBY_IMPLEMENTATION": "ffi",
    },
    failure_list = "//conformance:failure_list_jruby_ffi.txt",
    target_compatible_with = select({
        ":jruby_ffi": [],
        "//conditions:default": ["@platforms//:incompatible"],
    }),
    testee = "//conformance:conformance_ruby",
    text_format_failure_list = "//conformance:text_format_failure_list_jruby.txt",
)

################################################################################
# Distribution files
################################################################################

pkg_files(
    name = "dist_files",
    srcs = [
        ".gitignore",
        "BUILD.bazel",
        "Gemfile",
        "README.md",
        "Rakefile",
        "//ruby/ext/google/protobuf_c:dist_files",
        "//ruby/lib/google:dist_files",
        "//ruby/src/main/java:dist_files",
        "//ruby/tests:dist_files",
    ],
    strip_prefix = strip_prefix.from_root(""),
    visibility = ["//pkg:__pkg__"],
)