vere/BUILD.bazel

load("//bazel:common_settings.bzl", "string_flag")
load("@io_bazel_rules_docker//cc:image.bzl", "cc_image")
load("@io_bazel_rules_docker//container:container.bzl", "container_push")

#
# OS-CPU CONFIG SETTINGS
#

config_setting(
    name = "linux_aarch64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:aarch64",
    ],
)

config_setting(
    name = "linux_x86_64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
)

config_setting(
    name = "macos_aarch64",
    constraint_values = [
        "@platforms//os:macos",
        "@platforms//cpu:aarch64",
    ],
)

config_setting(
    name = "macos_x86_64",
    constraint_values = [
        "@platforms//os:macos",
        "@platforms//cpu:x86_64",
    ],
)

#
# COMPILERS
#

# Version flag for clang.
string_flag(
    name = "clang_version",
    # macOS uses `clang-14.0.0` by default.
    build_setting_default = "14.0.0",
    visibility = ["//visibility:public"],
)

# Version flag for gcc.
string_flag(
    name = "gcc_version",
    # musl-cross-make uses `gcc-9.4.0` by default.
    build_setting_default = "9.4.0",
    visibility = ["//visibility:public"],
)

#
# PLATFORMS
#
# A platform takes one of two formats: `<compiler>-<os>-<cpu>` or `<os>-<cpu>`
# if the compiler is unspecified.

# Linux aarch64 platform with unspecified compiler.
platform(
    name = "linux-aarch64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:aarch64",
    ],
)

# Linux x86_64 platform with unspecified compiler.
platform(
    name = "linux-x86_64",
    constraint_values = [
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
)

# Linux x86_64 platform with gcc.
platform(
    name = "gcc-linux-x86_64",
    constraint_values = [
        ":gcc",
        "@platforms//os:linux",
        "@platforms//cpu:x86_64",
    ],
)

platform(
    name = "macos-aarch64",
    constraint_values = [
        "@platforms//os:macos",
        "@platforms//cpu:aarch64",
    ],
)

platform(
    name = "clang-macos-aarch64",
    constraint_values = [
        ":clang",
        "@platforms//os:macos",
        "@platforms//cpu:aarch64",
    ],
)

platform(
    name = "macos-x86_64",
    constraint_values = [
        "@platforms//os:macos",
        "@platforms//cpu:x86_64",
    ],
)

platform(
    name = "clang-macos-x86_64",
    constraint_values = [
        ":clang",
        "@platforms//os:macos",
        "@platforms//cpu:x86_64",
    ],
)

alias(
    name = "urbit",
    actual = "//pkg/vere:urbit",
)

#
# DOCKER IMAGE
#

cc_image(
    name = "docker",
    binary = "//pkg/vere:urbit",
)

genrule(
    name = "docker_tag",
    visibility = ["//visibility:private"],
    srcs = [
        "//pkg/vere:PACE",
        "//pkg/vere:VERSION",
    ],
    outs = ["DOCKER_TAG"],
    cmd = """
    pace=`tr -d '\n' < $(execpath //pkg/vere:PACE)`
    version=v`tr -d '\n' < $(execpath //pkg/vere:VERSION)`
    echo "$$version-$$pace" > $@
    """,
)


container_push(
    name = "upload_docker",
    format = "Docker",
    image = ":docker",
    registry = "docker.io",
    repository = "tloncorp/vere",
    tag_file = ":docker_tag",
)