chore: Remove remaining Bazel-related files r/31

5 files changed, 0 insertions, 1730 deletions

diff --git a/third_party/bazel/rules_haskell/haskell/private/actions/compile.bzl b/third_party/bazel/rules_haskell/haskell/private/actions/compile.bzl
deleted file mode 100644
index 530b23a04b0f..000000000000
--- a/third_party/bazel/rules_haskell/haskell/private/actions/compile.bzl
+++ /dev/null
@@ -1,563 +0,0 @@
-"""Actions for compiling Haskell source code"""
-
-load(":private/packages.bzl", "expose_packages", "pkg_info_to_compile_flags")
-load("@bazel_skylib//lib:dicts.bzl", "dicts")
-load("@bazel_skylib//lib:paths.bzl", "paths")
-load(
-    ":private/path_utils.bzl",
-    "declare_compiled",
-    "module_name",
-    "target_unique_name",
-)
-load(":private/pkg_id.bzl", "pkg_id")
-load(":private/version_macros.bzl", "version_macro_includes")
-load(
-    ":providers.bzl",
-    "GhcPluginInfo",
-    "get_libs_for_ghc_linker",
-    "merge_HaskellCcInfo",
-)
-load(":private/set.bzl", "set")
-
-def _process_hsc_file(hs, cc, hsc_flags, hsc_inputs, hsc_file):
-    """Process a single hsc file.
-
-    Args:
-      hs: Haskell context.
-      cc: CcInteropInfo, information about C dependencies.
-      hsc_flags: extra flags to pass to hsc2hs
-      hsc_inputs: extra file inputs for the hsc2hs command
-      hsc_file: hsc file to process.
-
-    Returns:
-      (File, string): Haskell source file created by processing hsc_file and
-         new import directory containing the produced file.
-    """
-    args = hs.actions.args()
-
-    # Output a Haskell source file.
-    hsc_dir_raw = paths.join("_hsc", hs.name)
-    hs_out = declare_compiled(hs, hsc_file, ".hs", directory = hsc_dir_raw)
-    args.add_all([hsc_file.path, "-o", hs_out.path])
-
-    args.add_all(["-c", cc.tools.cc])
-    args.add_all(["-l", cc.tools.cc])
-    args.add("-ighcplatform.h")
-    args.add("-ighcversion.h")
-    args.add_all(["--cflag=" + f for f in cc.cpp_flags])
-    args.add_all(["--cflag=" + f for f in cc.compiler_flags])
-    args.add_all(["--cflag=" + f for f in cc.include_args])
-    args.add_all(["--lflag=" + f for f in cc.linker_flags])
-    args.add_all(hsc_flags)
-
-    # Add an empty PATH variable if not already specified in hs.env.
-    # Needed to avoid a "Couldn't read PATH" error on Windows.
-    #
-    # On Unix platforms, though, we musn't set PATH as it is automatically set up
-    # by the run action, unless already set in the env parameter. This triggers
-    # build errors when using GHC bindists on Linux.
-    if hs.env.get("PATH") == None and hs.toolchain.is_windows:
-        hs.env["PATH"] = ""
-
-    hs.actions.run(
-        inputs = depset(transitive = [
-            depset(cc.hdrs),
-            depset([hsc_file]),
-            depset(cc.files),
-            depset(hsc_inputs),
-        ]),
-        outputs = [hs_out],
-        mnemonic = "HaskellHsc2hs",
-        executable = hs.tools.hsc2hs,
-        arguments = [args],
-        env = hs.env,
-    )
-
-    idir = paths.join(
-        hs.bin_dir.path,
-        hs.label.package,
-        hsc_dir_raw,
-    )
-
-    return hs_out, idir
-
-def _compilation_defaults(hs, cc, java, dep_info, plugin_dep_info, srcs, import_dir_map, extra_srcs, user_compile_flags, with_profiling, my_pkg_id, version, plugins):
-    """Compute variables common to all compilation targets (binary and library).
-
-    Returns:
-      struct with the following fields:
-        args: default argument list
-        compile_flags: arguments that were used to compile the package
-        inputs: default inputs
-        input_manifests: input manifests
-        outputs: default outputs
-        objects_dir: object files directory
-        interfaces_dir: interface files directory
-        source_files: set of files that contain Haskell modules
-        extra_source_files: depset of non-Haskell source files
-        import_dirs: c2hs Import hierarchy roots
-        env: default environment variables
-    """
-
-    compile_flags = []
-
-    # GHC expects the CC compiler as the assembler, but segregates the
-    # set of flags to pass to it when used as an assembler. So we have
-    # to set both -optc and -opta.
-    cc_args = [
-        "-optc" + f
-        for f in cc.compiler_flags
-    ] + [
-        "-opta" + f
-        for f in cc.compiler_flags
-    ]
-    compile_flags += cc_args
-
-    interface_dir_raw = "_iface_prof" if with_profiling else "_iface"
-    object_dir_raw = "_obj_prof" if with_profiling else "_obj"
-
-    # Declare file directories.
-    #
-    # NOTE: We could have used -outputdir here and a single output
-    # directory. But keeping interface and object files separate has
-    # one advantage: if interface files are invariant under
-    # a particular code change, then we don't need to rebuild
-    # downstream.
-    if my_pkg_id:
-        # If we're compiling a package, put the interfaces inside the
-        # package directory.
-        interfaces_dir = hs.actions.declare_directory(
-            paths.join(
-                pkg_id.to_string(my_pkg_id),
-                interface_dir_raw,
-            ),
-        )
-    else:
-        interfaces_dir = hs.actions.declare_directory(
-            paths.join(interface_dir_raw, hs.name),
-        )
-    objects_dir = hs.actions.declare_directory(
-        paths.join(object_dir_raw, hs.name),
-    )
-
-    # Default compiler flags.
-    compile_flags += hs.toolchain.compiler_flags
-    compile_flags += user_compile_flags
-
-    # Work around macOS linker limits.  This fix has landed in GHC HEAD, but is
-    # not yet in a release; plus, we still want to support older versions of
-    # GHC.  For details, see: https://phabricator.haskell.org/D4714
-    if hs.toolchain.is_darwin:
-        compile_flags += ["-optl-Wl,-dead_strip_dylibs"]
-
-    compile_flags.extend(
-        pkg_info_to_compile_flags(
-            expose_packages(
-                dep_info,
-                lib_info = None,
-                use_direct = True,
-                use_my_pkg_id = my_pkg_id,
-                custom_package_databases = None,
-                version = version,
-            ),
-        ),
-    )
-    compile_flags.extend(
-        pkg_info_to_compile_flags(
-            expose_packages(
-                plugin_dep_info,
-                lib_info = None,
-                use_direct = True,
-                use_my_pkg_id = my_pkg_id,
-                custom_package_databases = None,
-                version = version,
-            ),
-            for_plugin = True,
-        ),
-    )
-
-    header_files = []
-    boot_files = []
-    source_files = set.empty()
-
-    # Forward all "-D" and "-optP-D" flags to hsc2hs
-    hsc_flags = []
-    hsc_flags += ["--cflag=" + x for x in user_compile_flags if x.startswith("-D")]
-    hsc_flags += ["--cflag=" + x[len("-optP"):] for x in user_compile_flags if x.startswith("-optP-D")]
-
-    hsc_inputs = []
-    if version:
-        (version_macro_headers, version_macro_flags) = version_macro_includes(dep_info)
-        hsc_flags += ["--cflag=" + x for x in version_macro_flags]
-        hsc_inputs += set.to_list(version_macro_headers)
-
-    # Add import hierarchy root.
-    # Note that this is not perfect, since GHC requires hs-boot files
-    # to be in the same directory as the corresponding .hs file.  Thus
-    # the two must both have the same root; i.e., both plain files,
-    # both in bin_dir, or both in genfiles_dir.
-
-    import_dirs = set.from_list([
-        hs.src_root,
-        paths.join(hs.bin_dir.path, hs.src_root),
-        paths.join(hs.genfiles_dir.path, hs.src_root),
-    ])
-
-    for s in srcs:
-        if s.extension == "h":
-            header_files.append(s)
-        elif s.extension == "hsc":
-            s0, idir = _process_hsc_file(hs, cc, hsc_flags, hsc_inputs, s)
-            set.mutable_insert(source_files, s0)
-            set.mutable_insert(import_dirs, idir)
-        elif s.extension in ["hs-boot", "lhs-boot"]:
-            boot_files.append(s)
-        else:
-            set.mutable_insert(source_files, s)
-
-        if s in import_dir_map:
-            idir = import_dir_map[s]
-            set.mutable_insert(import_dirs, idir)
-
-    compile_flags += ["-i{0}".format(d) for d in set.to_list(import_dirs)]
-
-    # Write the -optP flags to a parameter file because they can be very long on Windows
-    # e.g. 27Kb for grpc-haskell
-    # Equivalent to: compile_flags += ["-optP" + f for f in cc.cpp_flags]
-    optp_args_file = hs.actions.declare_file("optp_args_%s" % hs.name)
-    optp_args = hs.actions.args()
-    optp_args.add_all(cc.cpp_flags)
-    optp_args.set_param_file_format("multiline")
-    hs.actions.write(optp_args_file, optp_args)
-    compile_flags += ["-optP@" + optp_args_file.path]
-
-    compile_flags += cc.include_args
-
-    locale_archive_depset = (
-        depset([hs.toolchain.locale_archive]) if hs.toolchain.locale_archive != None else depset()
-    )
-
-    # This is absolutely required otherwise GHC doesn't know what package it's
-    # creating `Name`s for to put them in Haddock interface files which then
-    # results in Haddock not being able to find names for linking in
-    # environment after reading its interface file later.
-    if my_pkg_id != None:
-        unit_id_args = [
-            "-this-unit-id",
-            pkg_id.to_string(my_pkg_id),
-            "-optP-DCURRENT_PACKAGE_KEY=\"{}\"".format(pkg_id.to_string(my_pkg_id)),
-        ]
-        compile_flags += unit_id_args
-
-    args = hs.actions.args()
-
-    # Compilation mode.  Allow rule-supplied compiler flags to override it.
-    if hs.mode == "opt":
-        args.add("-O2")
-
-    args.add("-static")
-    if with_profiling:
-        args.add("-prof", "-fexternal-interpreter")
-
-    # Common flags
-    args.add_all([
-        "-v0",
-        "-no-link",
-        "-fPIC",
-        "-hide-all-packages",
-        # Should never trigger in sandboxed builds, but can be useful
-        # to debug issues in non-sandboxed builds.
-        "-Wmissing-home-modules",
-    ])
-
-    # Output directories
-    args.add_all([
-        "-odir",
-        objects_dir.path,
-        "-hidir",
-        interfaces_dir.path,
-    ])
-
-    # Interface files with profiling have to have the extension "p_hi":
-    # https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/packages.html#installedpackageinfo-a-package-specification
-    # otherwise we won't be able to register them with ghc-pkg.
-    if with_profiling:
-        args.add_all([
-            "-hisuf",
-            "p_hi",
-            "-osuf",
-            "p_o",
-        ])
-
-    args.add_all(compile_flags)
-
-    # Plugins
-    for plugin in plugins:
-        args.add("-fplugin={}".format(plugin[GhcPluginInfo].module))
-        for opt in plugin[GhcPluginInfo].args:
-            args.add_all(["-fplugin-opt", "{}:{}".format(plugin[GhcPluginInfo].module, opt)])
-
-    plugin_tool_inputs = [plugin[GhcPluginInfo].tool_inputs for plugin in plugins]
-    plugin_tool_input_manifests = [
-        manifest
-        for plugin in plugins
-        for manifest in plugin[GhcPluginInfo].tool_input_manifests
-    ]
-
-    # Pass source files
-    for f in set.to_list(source_files):
-        args.add(f)
-
-    extra_source_files = depset(
-        transitive = [extra_srcs, depset(header_files), depset(boot_files)],
-    )
-
-    # Transitive library dependencies for runtime.
-    (library_deps, ld_library_deps, ghc_env) = get_libs_for_ghc_linker(
-        hs,
-        merge_HaskellCcInfo(
-            dep_info.transitive_cc_dependencies,
-            plugin_dep_info.transitive_cc_dependencies,
-        ),
-    )
-
-    return struct(
-        args = args,
-        compile_flags = compile_flags,
-        inputs = depset(transitive = [
-            depset(header_files),
-            depset(boot_files),
-            set.to_depset(source_files),
-            extra_source_files,
-            depset(cc.hdrs),
-            set.to_depset(dep_info.package_databases),
-            set.to_depset(dep_info.interface_dirs),
-            depset(dep_info.static_libraries),
-            depset(dep_info.static_libraries_prof),
-            set.to_depset(dep_info.dynamic_libraries),
-            set.to_depset(plugin_dep_info.package_databases),
-            set.to_depset(plugin_dep_info.interface_dirs),
-            depset(plugin_dep_info.static_libraries),
-            depset(plugin_dep_info.static_libraries_prof),
-            set.to_depset(plugin_dep_info.dynamic_libraries),
-            depset(library_deps),
-            depset(ld_library_deps),
-            java.inputs,
-            locale_archive_depset,
-            depset(transitive = plugin_tool_inputs),
-            depset([optp_args_file]),
-        ]),
-        input_manifests = plugin_tool_input_manifests,
-        objects_dir = objects_dir,
-        interfaces_dir = interfaces_dir,
-        outputs = [objects_dir, interfaces_dir],
-        source_files = source_files,
-        extra_source_files = depset(transitive = [extra_source_files, depset([optp_args_file])]),
-        import_dirs = import_dirs,
-        env = dicts.add(
-            ghc_env,
-            java.env,
-            hs.env,
-        ),
-    )
-
-def _hpc_compiler_args(hs):
-    hpcdir = "{}/{}/.hpc".format(hs.bin_dir.path, hs.package_root)
-    return ["-fhpc", "-hpcdir", hpcdir]
-
-def _coverage_datum(mix_file, src_file, target_label):
-    return struct(
-        mix_file = mix_file,
-        src_file = src_file,
-        target_label = target_label,
-    )
-
-def compile_binary(
-        hs,
-        cc,
-        java,
-        dep_info,
-        plugin_dep_info,
-        srcs,
-        ls_modules,
-        import_dir_map,
-        extra_srcs,
-        user_compile_flags,
-        dynamic,
-        with_profiling,
-        main_function,
-        version,
-        inspect_coverage = False,
-        plugins = []):
-    """Compile a Haskell target into object files suitable for linking.
-
-    Returns:
-      struct with the following fields:
-        object_files: list of static object files
-        object_dyn_files: list of dynamic object files
-        modules: set of module names
-        source_files: set of Haskell source files
-    """
-    c = _compilation_defaults(hs, cc, java, dep_info, plugin_dep_info, srcs, import_dir_map, extra_srcs, user_compile_flags, with_profiling, my_pkg_id = None, version = version, plugins = plugins)
-    c.args.add_all(["-main-is", main_function])
-    if dynamic:
-        # For binaries, GHC creates .o files even for code to be
-        # linked dynamically. So we have to force the object suffix to
-        # be consistent with the dynamic object suffix in the library
-        # case.
-        c.args.add_all(["-dynamic", "-osuf dyn_o"])
-
-    coverage_data = []
-    if inspect_coverage:
-        c.args.add_all(_hpc_compiler_args(hs))
-        for src_file in srcs:
-            module = module_name(hs, src_file)
-            mix_file = hs.actions.declare_file(".hpc/{module}.mix".format(module = module))
-            coverage_data.append(_coverage_datum(mix_file, src_file, hs.label))
-
-    hs.toolchain.actions.run_ghc(
-        hs,
-        cc,
-        inputs = c.inputs,
-        input_manifests = c.input_manifests,
-        outputs = c.outputs + [datum.mix_file for datum in coverage_data],
-        mnemonic = "HaskellBuildBinary" + ("Prof" if with_profiling else ""),
-        progress_message = "HaskellBuildBinary {}".format(hs.label),
-        env = c.env,
-        arguments = c.args,
-    )
-
-    if with_profiling:
-        exposed_modules_file = None
-    else:
-        exposed_modules_file = hs.actions.declare_file(
-            target_unique_name(hs, "exposed-modules"),
-        )
-        hs.actions.run(
-            inputs = [c.interfaces_dir, hs.toolchain.global_pkg_db],
-            outputs = [exposed_modules_file],
-            executable = ls_modules,
-            arguments = [
-                c.interfaces_dir.path,
-                hs.toolchain.global_pkg_db.path,
-                "/dev/null",  # no hidden modules
-                "/dev/null",  # no reexported modules
-                exposed_modules_file.path,
-            ],
-            use_default_shell_env = True,
-        )
-
-    return struct(
-        objects_dir = c.objects_dir,
-        source_files = c.source_files,
-        extra_source_files = c.extra_source_files,
-        import_dirs = c.import_dirs,
-        compile_flags = c.compile_flags,
-        exposed_modules_file = exposed_modules_file,
-        coverage_data = coverage_data,
-    )
-
-def compile_library(
-        hs,
-        cc,
-        java,
-        dep_info,
-        plugin_dep_info,
-        srcs,
-        ls_modules,
-        other_modules,
-        exposed_modules_reexports,
-        import_dir_map,
-        extra_srcs,
-        user_compile_flags,
-        with_shared,
-        with_profiling,
-        my_pkg_id,
-        plugins = []):
-    """Build arguments for Haskell package build.
-
-    Returns:
-      struct with the following fields:
-        interfaces_dir: directory containing interface files
-        interface_files: list of interface files
-        object_files: list of static object files
-        object_dyn_files: list of dynamic object files
-        compile_flags: list of string arguments suitable for Haddock
-        modules: set of module names
-        source_files: set of Haskell module files
-        import_dirs: import directories that should make all modules visible (for GHCi)
-    """
-    c = _compilation_defaults(hs, cc, java, dep_info, plugin_dep_info, srcs, import_dir_map, extra_srcs, user_compile_flags, with_profiling, my_pkg_id = my_pkg_id, version = my_pkg_id.version, plugins = plugins)
-    if with_shared:
-        c.args.add("-dynamic-too")
-
-    coverage_data = []
-    if hs.coverage_enabled:
-        c.args.add_all(_hpc_compiler_args(hs))
-        for src_file in srcs:
-            pkg_id_string = pkg_id.to_string(my_pkg_id)
-            module = module_name(hs, src_file)
-            mix_file = hs.actions.declare_file(".hpc/{pkg}/{module}.mix".format(pkg = pkg_id_string, module = module))
-            coverage_data.append(_coverage_datum(mix_file, src_file, hs.label))
-
-    hs.toolchain.actions.run_ghc(
-        hs,
-        cc,
-        inputs = c.inputs,
-        input_manifests = c.input_manifests,
-        outputs = c.outputs + [datum.mix_file for datum in coverage_data],
-        mnemonic = "HaskellBuildLibrary" + ("Prof" if with_profiling else ""),
-        progress_message = "HaskellBuildLibrary {}".format(hs.label),
-        env = c.env,
-        arguments = c.args,
-    )
-
-    if with_profiling:
-        exposed_modules_file = None
-    else:
-        hidden_modules_file = hs.actions.declare_file(
-            target_unique_name(hs, "hidden-modules"),
-        )
-        hs.actions.write(
-            output = hidden_modules_file,
-            content = ", ".join(other_modules),
-        )
-        reexported_modules_file = hs.actions.declare_file(
-            target_unique_name(hs, "reexported-modules"),
-        )
-        hs.actions.write(
-            output = reexported_modules_file,
-            content = ", ".join(exposed_modules_reexports),
-        )
-        exposed_modules_file = hs.actions.declare_file(
-            target_unique_name(hs, "exposed-modules"),
-        )
-        hs.actions.run(
-            inputs = [
-                c.interfaces_dir,
-                hs.toolchain.global_pkg_db,
-                hidden_modules_file,
-                reexported_modules_file,
-            ],
-            outputs = [exposed_modules_file],
-            executable = ls_modules,
-            arguments = [
-                c.interfaces_dir.path,
-                hs.toolchain.global_pkg_db.path,
-                hidden_modules_file.path,
-                reexported_modules_file.path,
-                exposed_modules_file.path,
-            ],
-            use_default_shell_env = True,
-        )
-
-    return struct(
-        interfaces_dir = c.interfaces_dir,
-        objects_dir = c.objects_dir,
-        compile_flags = c.compile_flags,
-        source_files = c.source_files,
-        extra_source_files = c.extra_source_files,
-        import_dirs = c.import_dirs,
-        exposed_modules_file = exposed_modules_file,
-        coverage_data = coverage_data,
-    )
diff --git a/third_party/bazel/rules_haskell/haskell/private/actions/link.bzl b/third_party/bazel/rules_haskell/haskell/private/actions/link.bzl
deleted file mode 100644
index 65cd2c6e4327..000000000000
--- a/third_party/bazel/rules_haskell/haskell/private/actions/link.bzl
+++ /dev/null
@@ -1,667 +0,0 @@
-"""Actions for linking object code produced by compilation"""
-
-load(":private/packages.bzl", "expose_packages", "pkg_info_to_compile_flags")
-load("@bazel_skylib//lib:paths.bzl", "paths")
-load(
-    ":private/path_utils.bzl",
-    "get_lib_name",
-    "is_shared_library",
-    "is_static_library",
-    "ln",
-)
-load(":private/pkg_id.bzl", "pkg_id")
-load(":private/set.bzl", "set")
-load(":private/list.bzl", "list")
-
-# tests in /tests/unit_tests/BUILD
-def parent_dir_path(path):
-    """Returns the path of the parent directory.
-    For a relative path with just a file, "." is returned.
-    The path is not normalized.
-
-    foo => .
-    foo/ => foo
-    foo/bar => foo
-    foo/bar/baz => foo/bar
-    foo/../bar => foo/..
-
-    Args:
-      a path string
-
-    Returns:
-      A path list of the form `["foo", "bar"]`
-    """
-    path_dir = paths.dirname(path)
-
-    # dirname returns "" if there is no parent directory
-    # In that case we return the identity path, which is ".".
-    if path_dir == "":
-        return ["."]
-    else:
-        return path_dir.split("/")
-
-def __check_dots(target, path):
-    # there’s still (non-leading) .. in split
-    if ".." in path:
-        fail("the short_path of target {} (which is {}) contains more dots than loading `../`. We can’t handle that.".format(
-            target,
-            target.short_path,
-        ))
-
-# skylark doesn’t allow nested defs, which is a mystery.
-def _get_target_parent_dir(target):
-    """get the parent dir and handle leading short_path dots,
-    which signify that the target is in an external repository.
-
-    Args:
-      target: a target, .short_path is used
-    Returns:
-      (is_external, parent_dir)
-      `is_external`: Bool whether the path points to an external repository
-      `parent_dir`: The parent directory, either up to the runfiles toplel,
-                    up to the external repository toplevel.
-                    Is `[]` if there is no parent dir.
-    """
-
-    parent_dir = parent_dir_path(target.short_path)
-
-    if parent_dir[0] == "..":
-        __check_dots(target, parent_dir[1:])
-        return (True, parent_dir[1:])
-    elif parent_dir[0] == ".":
-        return (False, [])
-    else:
-        __check_dots(target, parent_dir)
-        return (False, parent_dir)
-
-# tests in /tests/unit_tests/BUILD
-def create_rpath_entry(
-        binary,
-        dependency,
-        keep_filename,
-        prefix = ""):
-    """Return a (relative) path that points from `binary` to `dependecy`
-    while not leaving the current bazel runpath, taking into account weird
-    corner cases of `.short_path` concerning external repositories.
-    The resulting entry should be able to be inserted into rpath or similar.
-
-    Examples:
-
-      bin.short_path=foo/a.so and dep.short_path=bar/b.so
-        => create_rpath_entry(bin, dep, False) = ../bar
-           and
-           create_rpath_entry(bin, dep, True) = ../bar/b.so
-           and
-           create_rpath_entry(bin, dep, True, "$ORIGIN") = $ORIGIN/../bar/b.so
-
-    Args:
-      binary: target of current binary
-      dependency: target of dependency to relatively point to
-      keep_filename: whether to point to the filename or its parent dir
-      prefix: string path prefix to add before the relative path
-
-    Returns:
-      relative path string
-    """
-
-    (bin_is_external, bin_parent_dir) = _get_target_parent_dir(binary)
-    (dep_is_external, dep_parent_dir) = _get_target_parent_dir(dependency)
-
-    # backup through parent directories of the binary,
-    # to the runfiles directory
-    bin_backup = [".."] * len(bin_parent_dir)
-
-    # external repositories live in `target.runfiles/external`,
-    # while the internal repository lives in `target.runfiles`.
-    # The `.short_path`s of external repositories are strange,
-    # they start with `../`, but you cannot just append that in
-    # order to find the correct runpath. Instead you have to use
-    # the following logic to construct the correct runpaths:
-    if bin_is_external:
-        if dep_is_external:
-            # stay in `external`
-            path_segments = bin_backup
-        else:
-            # backup out of `external`
-            path_segments = [".."] + bin_backup
-    elif dep_is_external:
-        # go into `external`
-        path_segments = bin_backup + ["external"]
-    else:
-        # no special external traversal
-        path_segments = bin_backup
-
-    # then add the parent dir to our dependency
-    path_segments.extend(dep_parent_dir)
-
-    # optionally add the filename
-    if keep_filename:
-        path_segments.append(
-            paths.basename(dependency.short_path),
-        )
-
-    # normalize for good measure and create the final path
-    path = paths.normalize("/".join(path_segments))
-
-    # and add the prefix if applicable
-    if prefix == "":
-        return path
-    else:
-        return prefix + "/" + path
-
-def _merge_parameter_files(hs, file1, file2):
-    """Merge two GHC parameter files into one.
-
-    Args:
-      hs: Haskell context.
-      file1: The first parameter file.
-      file2: The second parameter file.
-
-    Returns:
-      File: A new parameter file containing the parameters of both input files.
-        The file name is based on the file names of the input files. The file
-        is located next to the first input file.
-    """
-    params_file = hs.actions.declare_file(
-        file1.basename + ".and." + file2.basename,
-        sibling = file1,
-    )
-    hs.actions.run_shell(
-        inputs = [file1, file2],
-        outputs = [params_file],
-        command = """
-            cat {file1} {file2} > {out}
-        """.format(
-            file1 = file1.path,
-            file2 = file2.path,
-            out = params_file.path,
-        ),
-    )
-    return params_file
-
-def _darwin_create_extra_linker_flags_file(hs, cc, objects_dir, executable, dynamic, solibs):
-    """Write additional linker flags required on MacOS to a parameter file.
-
-    Args:
-      hs: Haskell context.
-      cc: CcInteropInfo, information about C dependencies.
-      objects_dir: Directory storing object files.
-        Used to determine output file location.
-      executable: The executable being built.
-      dynamic: Bool: Whether to link dynamically or statically.
-      solibs: List of dynamic library dependencies.
-
-    Returns:
-      File: Parameter file with additional linker flags. To be passed to GHC.
-    """
-
-    # On Darwin GHC will pass the dead_strip_dylibs flag to the linker. This
-    # flag will remove any shared library loads from the binary's header that
-    # are not directly resolving undefined symbols in the binary. I.e. any
-    # indirect shared library dependencies will be removed. This conflicts with
-    # Bazel's builtin cc rules, which assume that the final binary will load
-    # all transitive shared library dependencies. In particlar shared libraries
-    # produced by Bazel's cc rules never load shared libraries themselves. This
-    # causes missing symbols at runtime on MacOS, see #170.
-    #
-    # The following work-around applies the `-u` flag to the linker for any
-    # symbol that is undefined in any transitive shared library dependency.
-    # This forces the linker to resolve these undefined symbols in all
-    # transitive shared library dependencies and keep the corresponding load
-    # commands in the binary's header.
-    #
-    # Unfortunately, this prohibits elimination of any truly redundant shared
-    # library dependencies. Furthermore, the transitive closure of shared
-    # library dependencies can be large, so this makes it more likely to exceed
-    # the MACH-O header size limit on MacOS.
-    #
-    # This is a horrendous hack, but it seems to be forced on us by how Bazel
-    # builds dynamic cc libraries.
-    suffix = ".dynamic.linker_flags" if dynamic else ".static.linker_flags"
-    linker_flags_file = hs.actions.declare_file(
-        executable.basename + suffix,
-        sibling = objects_dir,
-    )
-
-    hs.actions.run_shell(
-        inputs = solibs,
-        outputs = [linker_flags_file],
-        command = """
-        touch {out}
-        for lib in {solibs}; do
-            {nm} -u "$lib" | sed 's/^/-optl-Wl,-u,/' >> {out}
-        done
-        """.format(
-            nm = cc.tools.nm,
-            solibs = " ".join(["\"" + l.path + "\"" for l in solibs]),
-            out = linker_flags_file.path,
-        ),
-    )
-    return linker_flags_file
-
-def _create_objects_dir_manifest(hs, objects_dir, dynamic, with_profiling):
-    suffix = ".dynamic.manifest" if dynamic else ".static.manifest"
-    objects_dir_manifest = hs.actions.declare_file(
-        objects_dir.basename + suffix,
-        sibling = objects_dir,
-    )
-
-    if with_profiling:
-        ext = "p_o"
-    elif dynamic:
-        ext = "dyn_o"
-    else:
-        ext = "o"
-    hs.actions.run_shell(
-        inputs = [objects_dir],
-        outputs = [objects_dir_manifest],
-        command = """
-        find {dir} -name '*.{ext}' > {out}
-        """.format(
-            dir = objects_dir.path,
-            ext = ext,
-            out = objects_dir_manifest.path,
-        ),
-        use_default_shell_env = True,
-    )
-
-    return objects_dir_manifest
-
-def _link_dependencies(hs, dep_info, dynamic, binary, args):
-    """Configure linker flags and inputs.
-
-    Configure linker flags for C library dependencies and runtime dynamic
-    library dependencies. And collect the C libraries to pass as inputs to
-    the linking action.
-
-    Args:
-      hs: Haskell context.
-      dep_info: HaskellInfo provider.
-      dynamic: Bool: Whether to link dynamically, or statically.
-      binary: Final linked binary.
-      args: Arguments to the linking action.
-
-    Returns:
-      depset: C library dependencies to provide as input to the linking action.
-    """
-
-    # Pick linking context based on linking mode.
-    if dynamic:
-        link_ctx = dep_info.cc_dependencies.dynamic_linking
-        trans_link_ctx = dep_info.transitive_cc_dependencies.dynamic_linking
-    else:
-        link_ctx = dep_info.cc_dependencies.static_linking
-        trans_link_ctx = dep_info.transitive_cc_dependencies.static_linking
-
-    # Direct C library dependencies to link.
-    # I.e. not indirect through another Haskell dependency.
-    # Such indirect dependencies are linked by GHC based on the extra-libraries
-    # fields in the dependency's package configuration file.
-    libs_to_link = link_ctx.libraries_to_link.to_list()
-    _add_external_libraries(args, libs_to_link)
-
-    # Transitive library dependencies to have in scope for linking.
-    trans_libs_to_link = trans_link_ctx.libraries_to_link.to_list()
-
-    # Libraries to pass as inputs to linking action.
-    cc_link_libs = depset(transitive = [
-        depset(trans_libs_to_link),
-    ])
-
-    # Transitive dynamic library dependencies to have in RUNPATH.
-    cc_solibs = trans_link_ctx.dynamic_libraries_for_runtime.to_list()
-
-    # Collect Haskell dynamic library dependencies in common RUNPATH.
-    # This is to keep the number of RUNPATH entries low, for faster loading
-    # and to avoid exceeding the MACH-O header size limit on MacOS.
-    hs_solibs = []
-    if dynamic:
-        hs_solibs_prefix = "_hssolib_%s" % hs.name
-        for dep in set.to_list(dep_info.dynamic_libraries):
-            dep_link = hs.actions.declare_file(
-                paths.join(hs_solibs_prefix, dep.basename),
-                sibling = binary,
-            )
-            ln(hs, dep, dep_link)
-            hs_solibs.append(dep_link)
-
-    # Configure RUNPATH.
-    rpaths = _infer_rpaths(
-        hs.toolchain.is_darwin,
-        binary,
-        trans_link_ctx.dynamic_libraries_for_runtime.to_list() +
-        hs_solibs,
-    )
-    for rpath in set.to_list(rpaths):
-        args.add("-optl-Wl,-rpath," + rpath)
-
-    return (cc_link_libs, cc_solibs, hs_solibs)
-
-def link_binary(
-        hs,
-        cc,
-        dep_info,
-        extra_srcs,
-        compiler_flags,
-        objects_dir,
-        dynamic,
-        with_profiling,
-        version):
-    """Link Haskell binary from static object files.
-
-    Returns:
-      File: produced executable
-    """
-
-    exe_name = hs.name + (".exe" if hs.toolchain.is_windows else "")
-    executable = hs.actions.declare_file(exe_name)
-
-    args = hs.actions.args()
-    args.add_all(["-optl" + f for f in cc.linker_flags])
-    if with_profiling:
-        args.add("-prof")
-    args.add_all(hs.toolchain.compiler_flags)
-    args.add_all(compiler_flags)
-
-    # By default, GHC will produce mostly-static binaries, i.e. in which all
-    # Haskell code is statically linked and foreign libraries and system
-    # dependencies are dynamically linked. If linkstatic is false, i.e. the user
-    # has requested fully dynamic linking, we must therefore add flags to make
-    # sure that GHC dynamically links Haskell code too. The one exception to
-    # this is when we are compiling for profiling, which currently does not play
-    # nicely with dynamic linking.
-    if dynamic:
-        if with_profiling:
-            print("WARNING: dynamic linking and profiling don't mix. Omitting -dynamic.\nSee https://ghc.haskell.org/trac/ghc/ticket/15394")
-        else:
-            args.add_all(["-pie", "-dynamic"])
-
-    # When compiling with `-threaded`, GHC needs to link against
-    # the pthread library when linking against static archives (.a).
-    # We assume it’s not a problem to pass it for other cases,
-    # so we just default to passing it.
-    args.add("-optl-pthread")
-
-    args.add_all(["-o", executable.path])
-
-    # De-duplicate optl calls while preserving ordering: we want last
-    # invocation of an object to remain last. That is `-optl foo -optl
-    # bar -optl foo` becomes `-optl bar -optl foo`. Do this by counting
-    # number of occurrences. That way we only build dict and add to args
-    # directly rather than doing multiple reversals with temporary
-    # lists.
-
-    args.add_all(pkg_info_to_compile_flags(expose_packages(
-        dep_info,
-        lib_info = None,
-        use_direct = True,
-        use_my_pkg_id = None,
-        custom_package_databases = None,
-        version = version,
-    )))
-
-    (cc_link_libs, cc_solibs, hs_solibs) = _link_dependencies(
-        hs = hs,
-        dep_info = dep_info,
-        dynamic = dynamic,
-        binary = executable,
-        args = args,
-    )
-
-    # XXX: Suppress a warning that Clang prints due to GHC automatically passing
-    # "-pie" or "-no-pie" to the C compiler.
-    # This is linked to https://ghc.haskell.org/trac/ghc/ticket/15319
-    args.add_all([
-        "-optc-Wno-unused-command-line-argument",
-        "-optl-Wno-unused-command-line-argument",
-    ])
-
-    objects_dir_manifest = _create_objects_dir_manifest(
-        hs,
-        objects_dir,
-        dynamic = dynamic,
-        with_profiling = with_profiling,
-    )
-
-    extra_linker_flags_file = None
-    if hs.toolchain.is_darwin:
-        args.add("-optl-Wl,-headerpad_max_install_names")
-
-        # Nixpkgs commit 3513034208a introduces -liconv in NIX_LDFLAGS on
-        # Darwin. We don't currently handle NIX_LDFLAGS in any special
-        # way, so a hack is to simply do what NIX_LDFLAGS is telling us we
-        # should do always when using a toolchain from Nixpkgs.
-        # TODO remove this gross hack.
-        args.add("-liconv")
-
-        extra_linker_flags_file = _darwin_create_extra_linker_flags_file(
-            hs,
-            cc,
-            objects_dir,
-            executable,
-            dynamic,
-            cc_solibs,
-        )
-
-    if extra_linker_flags_file != None:
-        params_file = _merge_parameter_files(hs, objects_dir_manifest, extra_linker_flags_file)
-    else:
-        params_file = objects_dir_manifest
-
-    hs.toolchain.actions.run_ghc(
-        hs,
-        cc,
-        inputs = depset(transitive = [
-            depset(extra_srcs),
-            set.to_depset(dep_info.package_databases),
-            set.to_depset(dep_info.dynamic_libraries),
-            depset(dep_info.static_libraries),
-            depset(dep_info.static_libraries_prof),
-            depset([objects_dir]),
-            cc_link_libs,
-        ]),
-        outputs = [executable],
-        mnemonic = "HaskellLinkBinary",
-        arguments = args,
-        params_file = params_file,
-    )
-
-    return (executable, cc_solibs + hs_solibs)
-
-def _add_external_libraries(args, ext_libs):
-    """Add options to `args` that allow us to link to `ext_libs`.
-
-    Args:
-      args: Args object.
-      ext_libs: C library dependencies.
-    """
-
-    # Deduplicate the list of ext_libs based on their
-    # library name (file name stripped of lib prefix and endings).
-    # This keeps the command lines short, e.g. when a C library
-    # like `liblz4.so` appears in multiple dependencies.
-    # XXX: this is only done in here
-    # Shouldn’t the deduplication be applied to *all* external libraries?
-    deduped = list.dedup_on(get_lib_name, ext_libs)
-
-    for lib in deduped:
-        args.add_all([
-            "-L{0}".format(
-                paths.dirname(lib.path),
-            ),
-            "-l{0}".format(
-                # technically this is the second call to get_lib_name,
-                #  but the added clarity makes up for it.
-                get_lib_name(lib),
-            ),
-        ])
-
-def _infer_rpaths(is_darwin, target, solibs):
-    """Return set of RPATH values to be added to target so it can find all
-    solibs
-
-    The resulting paths look like:
-    $ORIGIN/../../path/to/solib/dir
-    This means: "go upwards to your runfiles directory, then descend into
-    the parent folder of the solib".
-
-    Args:
-      is_darwin: Whether we're compiling on and for Darwin.
-      target: File, executable or library we're linking.
-      solibs: A list of Files, shared objects that the target needs.
-
-    Returns:
-      Set of strings: rpaths to add to target.
-    """
-    r = set.empty()
-
-    if is_darwin:
-        prefix = "@loader_path"
-    else:
-        prefix = "$ORIGIN"
-
-    for solib in solibs:
-        rpath = create_rpath_entry(
-            binary = target,
-            dependency = solib,
-            keep_filename = False,
-            prefix = prefix,
-        )
-        set.mutable_insert(r, rpath)
-
-    return r
-
-def _so_extension(hs):
-    """Returns the extension for shared libraries.
-
-    Args:
-      hs: Haskell rule context.
-
-    Returns:
-      string of extension.
-    """
-    return "dylib" if hs.toolchain.is_darwin else "so"
-
-def link_library_static(hs, cc, dep_info, objects_dir, my_pkg_id, with_profiling):
-    """Link a static library for the package using given object files.
-
-    Returns:
-      File: Produced static library.
-    """
-    static_library = hs.actions.declare_file(
-        "lib{0}.a".format(pkg_id.library_name(hs, my_pkg_id, prof_suffix = with_profiling)),
-    )
-    objects_dir_manifest = _create_objects_dir_manifest(
-        hs,
-        objects_dir,
-        dynamic = False,
-        with_profiling = with_profiling,
-    )
-    args = hs.actions.args()
-    inputs = [objects_dir, objects_dir_manifest] + cc.files
-
-    if hs.toolchain.is_darwin:
-        # On Darwin, ar doesn't support params files.
-        args.add_all([
-            static_library,
-            objects_dir_manifest.path,
-        ])
-
-        # TODO Get ar location from the CC toolchain. This is
-        # complicated by the fact that the CC toolchain does not
-        # always use ar, and libtool has an entirely different CLI.
-        # See https://github.com/bazelbuild/bazel/issues/5127
-        hs.actions.run_shell(
-            inputs = inputs,
-            outputs = [static_library],
-            mnemonic = "HaskellLinkStaticLibrary",
-            command = "{ar} qc $1 $(< $2)".format(ar = cc.tools.ar),
-            arguments = [args],
-
-            # Use the default macosx toolchain
-            env = {"SDKROOT": "macosx"},
-        )
-    else:
-        args.add_all([
-            "qc",
-            static_library,
-            "@" + objects_dir_manifest.path,
-        ])
-        hs.actions.run(
-            inputs = inputs,
-            outputs = [static_library],
-            mnemonic = "HaskellLinkStaticLibrary",
-            executable = cc.tools.ar,
-            arguments = [args],
-        )
-
-    return static_library
-
-def link_library_dynamic(hs, cc, dep_info, extra_srcs, objects_dir, my_pkg_id):
-    """Link a dynamic library for the package using given object files.
-
-    Returns:
-      File: Produced dynamic library.
-    """
-
-    dynamic_library = hs.actions.declare_file(
-        "lib{0}-ghc{1}.{2}".format(
-            pkg_id.library_name(hs, my_pkg_id),
-            hs.toolchain.version,
-            _so_extension(hs),
-        ),
-    )
-
-    args = hs.actions.args()
-    args.add_all(["-optl" + f for f in cc.linker_flags])
-    args.add_all(["-shared", "-dynamic"])
-
-    # Work around macOS linker limits.  This fix has landed in GHC HEAD, but is
-    # not yet in a release; plus, we still want to support older versions of
-    # GHC.  For details, see: https://phabricator.haskell.org/D4714
-    if hs.toolchain.is_darwin:
-        args.add("-optl-Wl,-dead_strip_dylibs")
-
-    args.add_all(pkg_info_to_compile_flags(expose_packages(
-        dep_info,
-        lib_info = None,
-        use_direct = True,
-        use_my_pkg_id = None,
-        custom_package_databases = None,
-        version = my_pkg_id.version if my_pkg_id else None,
-    )))
-
-    (cc_link_libs, _cc_solibs, _hs_solibs) = _link_dependencies(
-        hs = hs,
-        dep_info = dep_info,
-        dynamic = True,
-        binary = dynamic_library,
-        args = args,
-    )
-
-    args.add_all(["-o", dynamic_library.path])
-
-    # Profiling not supported for dynamic libraries.
-    objects_dir_manifest = _create_objects_dir_manifest(
-        hs,
-        objects_dir,
-        dynamic = True,
-        with_profiling = False,
-    )
-
-    hs.toolchain.actions.run_ghc(
-        hs,
-        cc,
-        inputs = depset([objects_dir], transitive = [
-            depset(extra_srcs),
-            set.to_depset(dep_info.package_databases),
-            set.to_depset(dep_info.dynamic_libraries),
-            cc_link_libs,
-        ]),
-        outputs = [dynamic_library],
-        mnemonic = "HaskellLinkDynamicLibrary",
-        arguments = args,
-        params_file = objects_dir_manifest,
-    )
-
-    return dynamic_library
diff --git a/third_party/bazel/rules_haskell/haskell/private/actions/package.bzl b/third_party/bazel/rules_haskell/haskell/private/actions/package.bzl
deleted file mode 100644
index 1c438e8445a5..000000000000
--- a/third_party/bazel/rules_haskell/haskell/private/actions/package.bzl
+++ /dev/null
@@ -1,210 +0,0 @@
-"""Action for creating packages and registering them with ghc-pkg"""
-
-load("@bazel_skylib//lib:paths.bzl", "paths")
-load(":private/path_utils.bzl", "target_unique_name")
-load(":private/pkg_id.bzl", "pkg_id")
-load(":private/set.bzl", "set")
-load(":private/path_utils.bzl", "get_lib_name")
-
-def _get_extra_libraries(dep_info):
-    """Get directories and library names for extra library dependencies.
-
-    Args:
-      dep_info: HaskellInfo provider of the package.
-
-    Returns:
-      (dirs, libs):
-      dirs: list: Library search directories for extra library dependencies.
-      libs: list: Extra library dependencies.
-    """
-    cc_libs = dep_info.cc_dependencies.dynamic_linking.libraries_to_link.to_list()
-
-    # The order in which library dependencies are listed is relevant when
-    # linking static archives. To maintain the order defined by the input
-    # depset we collect the library dependencies in a list, and use a separate
-    # set to deduplicate entries.
-    seen_libs = set.empty()
-    extra_libs = []
-    extra_lib_dirs = set.empty()
-    for lib in cc_libs:
-        lib_name = get_lib_name(lib)
-        if not set.is_member(seen_libs, lib_name):
-            set.mutable_insert(seen_libs, lib_name)
-            extra_libs.append(lib_name)
-        set.mutable_insert(extra_lib_dirs, lib.dirname)
-    return (set.to_list(extra_lib_dirs), extra_libs)
-
-def package(
-        hs,
-        dep_info,
-        interfaces_dir,
-        interfaces_dir_prof,
-        static_library,
-        dynamic_library,
-        exposed_modules_file,
-        other_modules,
-        my_pkg_id,
-        static_library_prof):
-    """Create GHC package using ghc-pkg.
-
-    Args:
-      hs: Haskell context.
-      interfaces_dir: Directory containing interface files.
-      static_library: Static library of the package.
-      dynamic_library: Dynamic library of the package.
-      static_library_prof: Static library compiled with profiling or None.
-
-    Returns:
-      (File, File): GHC package conf file, GHC package cache file
-    """
-    pkg_db_dir = pkg_id.to_string(my_pkg_id)
-    conf_file = hs.actions.declare_file(
-        paths.join(pkg_db_dir, "{0}.conf".format(pkg_db_dir)),
-    )
-    cache_file = hs.actions.declare_file("package.cache", sibling = conf_file)
-
-    import_dir = paths.join(
-        "${pkgroot}",
-        paths.join(pkg_db_dir, "_iface"),
-    )
-    interfaces_dirs = [interfaces_dir]
-
-    if interfaces_dir_prof != None:
-        import_dir_prof = paths.join(
-            "${pkgroot}",
-            paths.join(pkg_db_dir, "_iface_prof"),
-        )
-        interfaces_dirs.append(interfaces_dir_prof)
-    else:
-        import_dir_prof = ""
-
-    (extra_lib_dirs, extra_libs) = _get_extra_libraries(dep_info)
-
-    metadata_entries = {
-        "name": my_pkg_id.name,
-        "version": my_pkg_id.version,
-        "id": pkg_id.to_string(my_pkg_id),
-        "key": pkg_id.to_string(my_pkg_id),
-        "exposed": "True",
-        "hidden-modules": " ".join(other_modules),
-        "import-dirs": " ".join([import_dir, import_dir_prof]),
-        "library-dirs": " ".join(["${pkgroot}"] + extra_lib_dirs),
-        "dynamic-library-dirs": " ".join(["${pkgroot}"] + extra_lib_dirs),
-        "hs-libraries": pkg_id.library_name(hs, my_pkg_id),
-        "extra-libraries": " ".join(extra_libs),
-        "depends": ", ".join(
-            # Prebuilt dependencies are added further down, since their
-            # package-ids are not available as strings but in build outputs.
-            set.to_list(dep_info.package_ids),
-        ),
-    }
-
-    # Create a file from which ghc-pkg will create the actual package
-    # from. List of exposed modules generated below.
-    metadata_file = hs.actions.declare_file(target_unique_name(hs, "metadata"))
-    hs.actions.write(
-        output = metadata_file,
-        content = "\n".join([
-            "{0}: {1}".format(k, v)
-            for k, v in metadata_entries.items()
-            if v
-        ]) + "\n",
-    )
-
-    # Collect the package id files of all prebuilt dependencies.
-    prebuilt_deps_id_files = [
-        dep.id_file
-        for dep in set.to_list(dep_info.prebuilt_dependencies)
-    ]
-
-    # Combine exposed modules and other metadata to form the package
-    # configuration file.
-
-    prebuilt_deps_args = hs.actions.args()
-    prebuilt_deps_args.add_all([f.path for f in prebuilt_deps_id_files])
-    prebuilt_deps_args.use_param_file("%s", use_always = True)
-    prebuilt_deps_args.set_param_file_format("multiline")
-
-    hs.actions.run_shell(
-        inputs = [metadata_file, exposed_modules_file] + prebuilt_deps_id_files,
-        outputs = [conf_file],
-        command = """
-            cat $1 > $4
-            echo "exposed-modules: `cat $2`" >> $4
-
-            # this is equivalent to 'readarray'. We do use 'readarray' in order to
-            # support older bash versions.
-            while IFS= read -r line; do deps_id_files+=("$line"); done < $3
-
-            if [ ${#deps_id_files[@]} -eq 0 ]; then
-              deps=""
-            else
-              deps=$(cat "${deps_id_files[@]}" | tr '\n' " ")
-            fi
-            echo "depends: $deps" >> $4
-""",
-        arguments = [
-            metadata_file.path,
-            exposed_modules_file.path,
-            prebuilt_deps_args,
-            conf_file.path,
-        ],
-        use_default_shell_env = True,
-    )
-
-    # Make the call to ghc-pkg and use the package configuration file
-    package_path = ":".join([c.dirname for c in set.to_list(dep_info.package_databases)]) + ":"
-    hs.actions.run(
-        inputs = depset(transitive = [
-            set.to_depset(dep_info.package_databases),
-            depset(interfaces_dirs),
-            depset([
-                input
-                for input in [
-                    static_library,
-                    conf_file,
-                    dynamic_library,
-                    static_library_prof,
-                ]
-                if input
-            ]),
-        ]),
-        outputs = [cache_file],
-        env = {
-            "GHC_PACKAGE_PATH": package_path,
-        },
-        mnemonic = "HaskellRegisterPackage",
-        progress_message = "HaskellRegisterPackage {}".format(hs.label),
-        executable = hs.tools.ghc_pkg,
-        # Registration of a new package consists in,
-        #
-        # 1. copying the registration file into the package db,
-        # 2. performing some validation on the registration file content,
-        # 3. recaching, i.e. regenerating the package db cache file.
-        #
-        # Normally, this is all done by `ghc-pkg register`. But in our
-        # case, `ghc-pkg register` is painful, because the validation
-        # it performs is slow, somewhat redundant but especially, too
-        # strict (see e.g.
-        # https://ghc.haskell.org/trac/ghc/ticket/15478). So we do (1)
-        # and (3) manually, by copying then calling `ghc-pkg recache`
-        # directly.
-        #
-        # The downside is that we do lose the few validations that
-        # `ghc-pkg register` was doing that was useful. e.g. when
-        # reexporting modules, validation checks that the source
-        # module does exist.
-        #
-        # TODO Go back to using `ghc-pkg register`. Blocked by
-        # https://ghc.haskell.org/trac/ghc/ticket/15478
-        arguments = [
-            "recache",
-            "--package-db={0}".format(conf_file.dirname),
-            "-v0",
-            "--no-expand-pkgroot",
-        ],
-        # XXX: Seems required for this to work on Windows
-        use_default_shell_env = True,
-    )
-
-    return conf_file, cache_file
diff --git a/third_party/bazel/rules_haskell/haskell/private/actions/repl.bzl b/third_party/bazel/rules_haskell/haskell/private/actions/repl.bzl
deleted file mode 100644
index 5de64955d0af..000000000000
--- a/third_party/bazel/rules_haskell/haskell/private/actions/repl.bzl
+++ /dev/null
@@ -1,175 +0,0 @@
-"""GHCi REPL support"""
-
-load(":private/context.bzl", "render_env")
-load(":private/packages.bzl", "expose_packages", "pkg_info_to_compile_flags")
-load(
-    ":private/path_utils.bzl",
-    "get_lib_name",
-    "is_shared_library",
-    "link_libraries",
-    "ln",
-    "target_unique_name",
-)
-load(":providers.bzl", "get_libs_for_ghc_linker")
-load(
-    ":private/set.bzl",
-    "set",
-)
-load("@bazel_skylib//lib:paths.bzl", "paths")
-load("@bazel_skylib//lib:shell.bzl", "shell")
-
-def build_haskell_repl(
-        hs,
-        ghci_script,
-        ghci_repl_wrapper,
-        user_compile_flags,
-        repl_ghci_args,
-        hs_info,
-        output,
-        package_databases,
-        version,
-        lib_info = None):
-    """Build REPL script.
-
-    Args:
-      hs: Haskell context.
-      hs_info: HaskellInfo.
-
-      package_databases: package caches excluding the cache file of the package
-                      we're creating a REPL for.
-      lib_info: If we're building REPL for a library target, pass
-                HaskellLibraryInfo here, otherwise it should be None.
-
-    Returns:
-      None.
-    """
-
-    # The base and directory packages are necessary for the GHCi script we use
-    # (loads source files and brings in scope the corresponding modules).
-    args = ["-package", "base", "-package", "directory"]
-
-    pkg_ghc_info = expose_packages(
-        hs_info,
-        lib_info,
-        use_direct = False,
-        use_my_pkg_id = None,
-        custom_package_databases = package_databases,
-        version = version,
-    )
-    args += pkg_info_to_compile_flags(pkg_ghc_info)
-
-    lib_imports = []
-    if lib_info != None:
-        for idir in set.to_list(hs_info.import_dirs):
-            args += ["-i{0}".format(idir)]
-            lib_imports.append(idir)
-
-    link_ctx = hs_info.cc_dependencies.dynamic_linking
-    libs_to_link = link_ctx.dynamic_libraries_for_runtime.to_list()
-
-    # External C libraries that we need to make available to the REPL.
-    libraries = link_libraries(libs_to_link, args)
-
-    # Transitive library dependencies to have in runfiles.
-    (library_deps, ld_library_deps, ghc_env) = get_libs_for_ghc_linker(
-        hs,
-        hs_info.transitive_cc_dependencies,
-        path_prefix = "$RULES_HASKELL_EXEC_ROOT",
-    )
-    library_path = [paths.dirname(lib.path) for lib in library_deps]
-    ld_library_path = [paths.dirname(lib.path) for lib in ld_library_deps]
-
-    repl_file = hs.actions.declare_file(target_unique_name(hs, "repl"))
-
-    add_sources = ["*" + f.path for f in set.to_list(hs_info.source_files)]
-
-    ghci_repl_script = hs.actions.declare_file(
-        target_unique_name(hs, "ghci-repl-script"),
-    )
-    hs.actions.expand_template(
-        template = ghci_script,
-        output = ghci_repl_script,
-        substitutions = {
-            "{ADD_SOURCES}": " ".join(add_sources),
-            "{COMMANDS}": "",
-        },
-    )
-
-    # Extra arguments.
-    # `compiler flags` is the default set of arguments for the repl,
-    # augmented by `repl_ghci_args`.
-    # The ordering is important, first compiler flags (from toolchain
-    # and local rule), then from `repl_ghci_args`. This way the more
-    # specific arguments are listed last, and then have more priority in
-    # GHC.
-    # Note that most flags for GHCI do have their negative value, so a
-    # negative flag in `repl_ghci_args` can disable a positive flag set
-    # in `user_compile_flags`, such as `-XNoOverloadedStrings` will disable
-    # `-XOverloadedStrings`.
-    args += hs.toolchain.compiler_flags + user_compile_flags + hs.toolchain.repl_ghci_args + repl_ghci_args
-
-    hs.actions.expand_template(
-        template = ghci_repl_wrapper,
-        output = repl_file,
-        substitutions = {
-            "{ENV}": render_env(ghc_env),
-            "{TOOL}": hs.tools.ghci.path,
-            "{ARGS}": " ".join(
-                [
-                    "-ghci-script",
-                    paths.join("$RULES_HASKELL_EXEC_ROOT", ghci_repl_script.path),
-                ] + [
-                    shell.quote(a)
-                    for a in args
-                ],
-            ),
-        },
-        is_executable = True,
-    )
-
-    ghc_info = struct(
-        has_version = pkg_ghc_info.has_version,
-        library_path = library_path,
-        ld_library_path = ld_library_path,
-        packages = pkg_ghc_info.packages,
-        package_ids = pkg_ghc_info.package_ids,
-        package_dbs = pkg_ghc_info.package_dbs,
-        lib_imports = lib_imports,
-        libraries = libraries,
-        execs = struct(
-            ghc = hs.tools.ghc.path,
-            ghci = hs.tools.ghci.path,
-            runghc = hs.tools.runghc.path,
-        ),
-        flags = struct(
-            compiler = user_compile_flags,
-            toolchain_compiler = hs.toolchain.compiler_flags,
-            repl = repl_ghci_args,
-            toolchain_repl = hs.toolchain.repl_ghci_args,
-        ),
-    )
-    ghc_info_file = hs.actions.declare_file(
-        target_unique_name(hs, "ghc-info"),
-    )
-    hs.actions.write(
-        output = ghc_info_file,
-        content = ghc_info.to_json(),
-    )
-
-    # XXX We create a symlink here because we need to force
-    # hs.tools.ghci and ghci_script and the best way to do that is
-    # to use hs.actions.run. That action, in turn must produce
-    # a result, so using ln seems to be the only sane choice.
-    extra_inputs = depset(transitive = [
-        depset([
-            hs.tools.ghci,
-            ghci_repl_script,
-            repl_file,
-            ghc_info_file,
-        ]),
-        set.to_depset(package_databases),
-        depset(library_deps),
-        depset(ld_library_deps),
-        set.to_depset(hs_info.source_files),
-    ])
-    ln(hs, repl_file, output, extra_inputs)
diff --git a/third_party/bazel/rules_haskell/haskell/private/actions/runghc.bzl b/third_party/bazel/rules_haskell/haskell/private/actions/runghc.bzl
deleted file mode 100644
index da855a3adb3c..000000000000
--- a/third_party/bazel/rules_haskell/haskell/private/actions/runghc.bzl
+++ /dev/null
@@ -1,115 +0,0 @@
-"""runghc support"""
-
-load(":private/context.bzl", "render_env")
-load(":private/packages.bzl", "expose_packages", "pkg_info_to_compile_flags")
-load(
-    ":private/path_utils.bzl",
-    "get_lib_name",
-    "is_shared_library",
-    "link_libraries",
-    "ln",
-    "target_unique_name",
-)
-load(
-    ":private/set.bzl",
-    "set",
-)
-load(":providers.bzl", "get_libs_for_ghc_linker")
-load("@bazel_skylib//lib:shell.bzl", "shell")
-
-def build_haskell_runghc(
-        hs,
-        runghc_wrapper,
-        user_compile_flags,
-        extra_args,
-        hs_info,
-        output,
-        package_databases,
-        version,
-        lib_info = None):
-    """Build runghc script.
-
-    Args:
-      hs: Haskell context.
-      hs_info: HaskellInfo.
-
-      package_databases: package caches excluding the cache file of the package
-                      we're creating a runghc for.
-      lib_info: If we're building runghc for a library target, pass
-                HaskellLibraryInfo here, otherwise it should be None.
-
-    Returns:
-      None.
-    """
-
-    args = pkg_info_to_compile_flags(expose_packages(
-        hs_info,
-        lib_info,
-        use_direct = False,
-        use_my_pkg_id = None,
-        custom_package_databases = package_databases,
-        version = version,
-    ))
-
-    if lib_info != None:
-        for idir in set.to_list(hs_info.import_dirs):
-            args += ["-i{0}".format(idir)]
-
-    link_ctx = hs_info.cc_dependencies.dynamic_linking
-    libs_to_link = link_ctx.dynamic_libraries_for_runtime.to_list()
-
-    # External C libraries that we need to make available to runghc.
-    link_libraries(libs_to_link, args)
-
-    # Transitive library dependencies to have in runfiles.
-    (library_deps, ld_library_deps, ghc_env) = get_libs_for_ghc_linker(
-        hs,
-        hs_info.transitive_cc_dependencies,
-        path_prefix = "$RULES_HASKELL_EXEC_ROOT",
-    )
-
-    runghc_file = hs.actions.declare_file(target_unique_name(hs, "runghc"))
-
-    # Extra arguments.
-    # `compiler flags` is the default set of arguments for runghc,
-    # augmented by `extra_args`.
-    # The ordering is important, first compiler flags (from toolchain
-    # and local rule), then from `extra_args`. This way the more
-    # specific arguments are listed last, and then have more priority in
-    # GHC.
-    # Note that most flags for GHCI do have their negative value, so a
-    # negative flag in `extra_args` can disable a positive flag set
-    # in `user_compile_flags`, such as `-XNoOverloadedStrings` will disable
-    # `-XOverloadedStrings`.
-    args += hs.toolchain.compiler_flags + user_compile_flags + hs.toolchain.repl_ghci_args
-
-    # ghc args need to be wrapped up in "--ghc-arg=" when passing to runghc
-    runcompile_flags = ["--ghc-arg=%s" % a for a in args]
-    runcompile_flags += extra_args
-
-    hs.actions.expand_template(
-        template = runghc_wrapper,
-        output = runghc_file,
-        substitutions = {
-            "{ENV}": render_env(ghc_env),
-            "{TOOL}": hs.tools.runghc.path,
-            "{ARGS}": " ".join([shell.quote(a) for a in runcompile_flags]),
-        },
-        is_executable = True,
-    )
-
-    # XXX We create a symlink here because we need to force
-    # hs.tools.runghc and the best way to do that is
-    # to use hs.actions.run. That action, in turn must produce
-    # a result, so using ln seems to be the only sane choice.
-    extra_inputs = depset(transitive = [
-        depset([
-            hs.tools.runghc,
-            runghc_file,
-        ]),
-        set.to_depset(package_databases),
-        depset(library_deps),
-        depset(ld_library_deps),
-        set.to_depset(hs_info.source_files),
-    ])
-    ln(hs, runghc_file, output, extra_inputs)