go is only meant to be used with 'bazel run', not as a tool

[Zemnmez]

I'm trying to run a tool that uses gocommand (oapi-codegen), and thus needs Go in path in a genrule (it's used with go:generate, so this makes sense).

See below script:

genrule(
    name = "gen_api",
    srcs = [
        "@com_github_openai_openai_openapi//:openapi.yaml",
        "codegen.yaml",
    ],
    outs = ["api.go"],
    cmd = """
	export PATH=$$(dirname $$(realpath $(location //bin/sh:go))):$$PATH


$(execpath //bin/host/oapi-codegen) \\
	-config $(location codegen.yaml) \\
	-o $(location api.go) \\
	 $(location @com_github_openai_openai_openapi//:openapi.yaml)
	""",
    tools = [
        "//bin/host/oapi-codegen",
        "//sh/bin:go",
    ],
)

I get the below error:

                fail("//go is only meant to be used with 'bazel run', not as a tool. " +
Error in fail: //go is only meant to be used with 'bazel run', not as a tool. If you need to use it as a tool (e.g. in a genrule), please open an issue at https://github.com/bazelbuild/rules_go/issues/new explaining your use case.

This works in CI because the CI runner has go installed , but I think it's a little strange to need to do that