WORKSPACE

workspace(name = "http2_grpc_haskell")

# Toolchain setup ---------------------------------------------------------------

# Load core dependency repositories
load("//bazel:http2_grpc_haskell_workspace_deps.bzl", "http2_grpc_haskell_workspace_deps")

http2_grpc_haskell_workspace_deps()

# Configure rules_haskell and the GHC toolchain

ghc_version = "8.8.3"

stackage_snapshot = "lts-16.4"

load("@rules_haskell//haskell:repositories.bzl", "rules_haskell_dependencies")

rules_haskell_dependencies()

load("@rules_haskell//haskell:nixpkgs.bzl", "haskell_register_ghc_nixpkgs")

haskell_register_ghc_nixpkgs(
    attribute_path = "haskell.compiler.ghc883",
    repository = "@rules_haskell//nixpkgs:default.nix",
    version = ghc_version,
)

load("@rules_haskell//haskell:toolchain.bzl", "rules_haskell_toolchains")

rules_haskell_toolchains(version = ghc_version)

load("@rules_haskell//tools:repositories.bzl", "rules_haskell_worker_dependencies")

rules_haskell_worker_dependencies()

# Nixpkgs ensures we have the correct cc toolchain
load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_cc_configure", "nixpkgs_package", "nixpkgs_python_configure")

nixpkgs_cc_configure(
    nix_file = "@rules_haskell//nixpkgs:cc-toolchain.nix",
    nix_file_deps = ["@rules_haskell//nixpkgs:default.nix"],
    repository = "@rules_haskell//nixpkgs:default.nix",
)

# Nixpkgs ensures we have the correct python toolchain
nixpkgs_python_configure(
    repository = "@rules_haskell//nixpkgs:default.nix",
)

# Nixpkgs ensures we have zlib, needed for stack targets
nixpkgs_package(
    name = "nixpkgs_zlib",
    attribute_path = "zlib",
    repository = "//nixpkgs:default.nix",
)

nixpkgs_package(
    name = "zlib.dev",
    build_file_content = """
load("@rules_cc//cc:defs.bzl", "cc_library")
filegroup(
  name = "include",
  srcs = glob(["include/*.h"]),
  visibility = ["//visibility:public"],
)
cc_library(
  name = "zlib",
  linkstatic = 1,
  srcs = ["@nixpkgs_zlib//:lib"],
  hdrs = [":include"],
  strip_include_prefix = "include",
  visibility = ["//visibility:public"],
)
""",
    repository = "//nixpkgs:default.nix",
)

# Setup haskell library dependencies from stackage, and some http2- extras ------

load("//bazel:haskell_deps.bzl", "define_http2_grpc_lib_deps", "define_http2_grpc_stackage_dependencies", "proto_lens_protoc_binary")

define_http2_grpc_stackage_dependencies(stackage_snapshot)

define_http2_grpc_lib_deps()

# Protobuf Stuff ----------------------------------------------------------------

proto_lens_protoc_binary()

load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")

rules_proto_dependencies()

rules_proto_toolchains()

register_toolchains("//:protobuf-toolchain")