tests/rule_based_toolchain/helpers.bzl

# Copyright 2026 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#     http://www.apache.org/licenses/LICENSE-2.0
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"""Shared test helpers for the rule-based toolchain tests."""

load("@bazel_features//:features.bzl", "bazel_features")

visibility("//tests/rule_based_toolchain/...")

def path_pattern(p):
    """Wraps a path with %{path:...} when supported by Bazel.

    Mirrors the behavior of cc/toolchains/impl/nested_args.bzl's _format_target.
    """
    if bazel_features.cc.supports_path_variable_patterns:
        return "%%{path:%s}" % p
    return p