@struktoai/mirage-core/dist/commands/spec/oldstyle.d.ts

A Unified Virtual Filesystem For AI Agents

import type { CompiledSpec } from './compile.ts';
export interface OldStyleArgv {
    argv: string[];
    origins: number[];
    needsValue: string | null;
}
/**
 * Rewrite GNU tar's old option style into ordinary dashed flags.
 *
 * tar's first word, when it carries no leading dash, is a cluster of
 * option letters whose arguments follow it as separate words in letter
 * order: `tar xzCf dir a.tgz` is `-x -z -C dir -f a.tgz`. Only the first
 * word reads this way, which is GNU's own rule (`tar -v czf a.tgz f` is
 * a usage error), so a line that already starts with a dash is returned
 * untouched.
 *
 * Per letter, not one `-xzCf` token, because the getopt cluster rules
 * cannot express what a tar cluster can: it may hold several
 * argument-taking letters (`tar cvfb a.tar 20 f`) and it may continue
 * past one (`tar cfz a.tgz f` gzips, where getopt would read `z` as f's
 * value). An argument is taken verbatim, dash or not, the way GNU does:
 * `tar xzf -C ex` looks for an archive literally named `-C`.
 *
 * An undeclared letter becomes an undeclared flag token and is refused
 * by the parser's own scan, so this only reports the one error getopt
 * cannot see: a value letter with nothing left to consume. Pair options
 * are not expanded here; no tool spells old style and a two-token option
 * at once. Mirrors Python's `expand_old_style`.
 */
export declare function expandOldStyle(cs: CompiledSpec, argv: string[]): OldStyleArgv;
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