options =
                    listOf(
                        "Generate diffs" to "",
                        "Skip diffs generation" to "--no-generate-diffs",
                    ),
            )
            text(
                "scenario",
                "",
                display = ParameterDisplay.PROMPT,

        // Git revision range syntax is part of git, not the shell; pass as-is.
        return getStdoutLines(new String[] {"git", "diff", "--name-only", commit + "^1.." + commit});
    }

    private static List<String> branchesOf(String commit) throws IOException, InterruptedException, ExecutionException {