WORKSPACE.bazel

## local_config_sh.bzl
def _sh_config_rule_impl(repository_ctx):
    sh_path = get_sh_path_from_env("SH_BIN_PATH")

    if not sh_path:
        sh_path = detect_sh_from_path()

    if not sh_path:
        sh_path = "/shell/binary/not/found"

    repository_ctx.file("BUILD", """
load("@bazel_tools//tools/sh:sh_toolchain.bzl", "sh_toolchain")
sh_toolchain(
    name = "local_sh",
    path = "{sh_path}",
    visibility = ["//visibility:public"],
)
toolchain(
    name = "local_sh_toolchain",
    toolchain = ":local_sh",
    toolchain_type = "@bazel_tools//tools/sh:toolchain_type",
)
""".format(sh_path = sh_path))

sh_config_rule = repository_rule(
    environ = ["SH_BIN_PATH"],
    local = True,
    implementation = _sh_config_rule_impl,
)