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thomasandClaude Opus 4.8
87f865d55a
The daemon is spawned detached with no console of its own, so a ProxyCommand launched from it (`ssh -W`, `connect.exe`, `cloudflared`) had Windows allocate one — not a flash but a black window that stayed up for the whole session. `hide_console` takes `std::process::Command`; this site builds a `tokio::process::Command`, which is a distinct type with its own `creation_flags`. Add `hide_console_tokio` alongside it so the module comment's claim that every non-PTY Command goes through this file holds again. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
41 lines
1.6 KiB
Rust
41 lines
1.6 KiB
Rust
//! One place for the Windows subprocess flag every helper shell-out needs.
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//!
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//! tty7 is a GUI process with no console of its own, so launching a console
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//! subsystem program (`git.exe`, `wsl.exe`, …) makes Windows allocate a fresh
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//! console for it — a black window that pops up and vanishes. That is invisible
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//! on a one-off invocation and very visible on the git-status probe, which runs
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//! four `git` calls every time a pane's cwd changes or a command ends.
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//!
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//! `CREATE_NO_WINDOW` suppresses the console entirely; stdout/stderr pipes are
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//! unaffected, so output capture keeps working. Every non-PTY `Command` in the
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//! app should go through [`hide_console`] (or [`hide_console_tokio`] for the
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//! async flavor) before it runs. PTY children are not in scope — the daemon
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//! owns those and passes its own flags (see [`crate::daemon::spawn`]).
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use std::process::Command;
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#[cfg(windows)]
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const CREATE_NO_WINDOW: u32 = 0x0800_0000;
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/// Suppress the console window Windows would otherwise allocate for a console
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/// subsystem child. No-op on Unix, so callers stay `cfg`-free.
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pub fn hide_console(cmd: &mut Command) -> &mut Command {
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#[cfg(windows)]
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{
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use std::os::windows::process::CommandExt as _;
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cmd.creation_flags(CREATE_NO_WINDOW);
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}
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cmd
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}
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/// [`hide_console`] for `tokio::process::Command`. Separate because tokio's
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/// builder is a distinct type with its own `creation_flags`, not a `Deref` to
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/// the std one.
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pub fn hide_console_tokio(cmd: &mut tokio::process::Command) -> &mut tokio::process::Command {
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#[cfg(windows)]
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{
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cmd.creation_flags(CREATE_NO_WINDOW);
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}
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cmd
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}
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