Add --8-bit-output flag forwarding#2239
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….2 parity) (#4100) * feat: wire --compress-threads=N through to zstd ZSTD_c_nbWorkers Plumb the value parsed in #4095 into the actual zstd encoder via `ZSTD_c_nbWorkers`, matching upstream `token.c:701` so a non-zero `--compress-threads=N` engages real worker threads instead of being silently dropped. - `compress::zstd::CountingZstdEncoder` gains `new_with_workers` / `with_sink_workers` constructors and a `SUPPORTS_MULTITHREAD` const. - `engine::ActiveCompressor::new_with_workers` and `transfer::CompressedWriter::with_workers` thread the value end to end. `LocalCopyOptions` gains `compression_threads` and is populated from `ClientConfig::compression_threads` in `apply_compression`. - Multithreaded zstd lives behind a `zstdmt` Cargo feature on the `compress` crate (off by default to avoid a forced C build cost). Requesting workers without the feature returns `Unsupported` so callers can fall back to single-threaded compression instead of silently discarding the user's request. upstream: options.c:89 do_compression_threads, token.c:701. Refs #2239, #2217. * style: apply rustfmt to zstd worker wiring * fix(compress): avoid Result::unwrap_err since encoder lacks Debug * fix(engine): wire compression_threads through options builder + Debug-safe unwrap * fix(engine): gate unused ActiveCompressor::new behind #[cfg(test)] * fix(transfer): avoid expect_err on CompressedWriter lacking Debug
oferchen
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….2 parity) (#4100) * feat: wire --compress-threads=N through to zstd ZSTD_c_nbWorkers Plumb the value parsed in #4095 into the actual zstd encoder via `ZSTD_c_nbWorkers`, matching upstream `token.c:701` so a non-zero `--compress-threads=N` engages real worker threads instead of being silently dropped. - `compress::zstd::CountingZstdEncoder` gains `new_with_workers` / `with_sink_workers` constructors and a `SUPPORTS_MULTITHREAD` const. - `engine::ActiveCompressor::new_with_workers` and `transfer::CompressedWriter::with_workers` thread the value end to end. `LocalCopyOptions` gains `compression_threads` and is populated from `ClientConfig::compression_threads` in `apply_compression`. - Multithreaded zstd lives behind a `zstdmt` Cargo feature on the `compress` crate (off by default to avoid a forced C build cost). Requesting workers without the feature returns `Unsupported` so callers can fall back to single-threaded compression instead of silently discarding the user's request. upstream: options.c:89 do_compression_threads, token.c:701. Refs #2239, #2217. * style: apply rustfmt to zstd worker wiring * fix(compress): avoid Result::unwrap_err since encoder lacks Debug * fix(engine): wire compression_threads through options builder + Debug-safe unwrap * fix(engine): gate unused ActiveCompressor::new behind #[cfg(test)] * fix(transfer): avoid expect_err on CompressedWriter lacking Debug
oferchen
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May 18, 2026
….2 parity) (#4100) * feat: wire --compress-threads=N through to zstd ZSTD_c_nbWorkers Plumb the value parsed in #4095 into the actual zstd encoder via `ZSTD_c_nbWorkers`, matching upstream `token.c:701` so a non-zero `--compress-threads=N` engages real worker threads instead of being silently dropped. - `compress::zstd::CountingZstdEncoder` gains `new_with_workers` / `with_sink_workers` constructors and a `SUPPORTS_MULTITHREAD` const. - `engine::ActiveCompressor::new_with_workers` and `transfer::CompressedWriter::with_workers` thread the value end to end. `LocalCopyOptions` gains `compression_threads` and is populated from `ClientConfig::compression_threads` in `apply_compression`. - Multithreaded zstd lives behind a `zstdmt` Cargo feature on the `compress` crate (off by default to avoid a forced C build cost). Requesting workers without the feature returns `Unsupported` so callers can fall back to single-threaded compression instead of silently discarding the user's request. upstream: options.c:89 do_compression_threads, token.c:701. Refs #2239, #2217. * style: apply rustfmt to zstd worker wiring * fix(compress): avoid Result::unwrap_err since encoder lacks Debug * fix(engine): wire compression_threads through options builder + Debug-safe unwrap * fix(engine): gate unused ActiveCompressor::new behind #[cfg(test)] * fix(transfer): avoid expect_err on CompressedWriter lacking Debug
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Summary
Testing
Codex Task