# This file constructs a dummy workspace to test
# haskell binaries that are included from outside repositories
# (because linking external repositories works differently).
# Repo-ception, in the sense that we build a WORKSPACE
# that references the workspaces already set up in the
# `rules_haskell` WORKSPACE.
def _haskell_package_repository_dummy_impl(rep_ctx):
rep_ctx.file(
"WORKSPACE",
executable = False,
content = """
repository(name={name})
register_toolchains(
"@io_tweag_rules_haskell//tests/:ghc"
)
""".format(name = rep_ctx.name),
)
# this mirrors tests/library-with-cbits
rep_ctx.file(
"BUILD",
executable = False,
content = """
load(
"@io_tweag_rules_haskell//haskell:haskell.bzl",
"haskell_toolchain",
"haskell_library",
)
load(
"@io_tweag_rules_haskell//:constants.bzl",
"test_ghc_version",
)
haskell_library(
name = "library-with-cbits",
srcs = ["AddOne.hs"],
deps = [
"@io_tweag_rules_haskell//tests/data:ourclibrary",
"@io_tweag_rules_haskell//tests/hackage:base",
],
linkstatic = False,
visibility = ["//visibility:public"],
)
""",
)
rep_ctx.file(
"AddOne.hs",
executable = False,
content = """
module AddOne where
foreign import ccall "c_add_one" addOne :: Int -> Int
""",
)
haskell_package_repository_dummy = repository_rule(
_haskell_package_repository_dummy_impl,
local = True,
)
