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`env::temp_dir().join(format!("tty7-x-{pid}"))`, wiped on the way in and
left behind on the way out, reads as self-cleaning and is not. The pid is
in the name so two concurrent `cargo test` runs cannot share a fixture —
which also means a run never finds the previous run's directory to wipe.
One directory per fixture per run, kept forever: this working copy had
25,639 of them, and `cargo test` added about 37 more each time.
Two modules account for 10,904 of those, and both build every fixture
through one helper, so both are one edit: `ssh_config` (18 fixtures) and
`cli_install` (19). They now go through `testutil::temp_root`, which
hands back a guard that removes the tree when it drops — the pattern
`core::git::log` already uses, rather than a fourth copy of it.
Measured rather than assumed: a full bin-test run leaves both prefixes at
exactly the count they started at (5217 and 5687), where they used to
grow every run. The remaining 29 per run are the fixtures in modules not
converted here.
The guard is deliberately not `Clone` — copying something that deletes a
directory on drop is not a copy — so three sites that wanted a plain path
say `to_path_buf()`. Eight more chained `tmpdir(..).join(..)`, where the
guard is a temporary that drops at the end of the statement and takes the
directory with it before the test looks at it; the test suite caught that
as a failure and they now bind the guard first.
`pin_test_config_dir` keeps its uncleaned directory on purpose: it sets a
process-global config dir, so no scope owns it. `view.rs` was spelling
that function out by hand and now calls it.
tty7
A terminal workbench: persistent sessions, remote work, agents.
Pure Rust · GPU rendering on Zed's gpui · VT core from Alacritty
English · 简体中文
Why
- Performance — ~2× the throughput of Alacritty, Ghostty, or Kitty (benchmarks)
- Persistent sessions — quit or reboot; your shells and supported agent sessions keep running, no tmux
- Editor-grade input — suggestions, completion, highlighting, history search
- Remote development — files, repos, panes, and git data stay on the remote machine
- Native SSH — profiles, SFTP, port forwarding, and jump hosts
- Agent-aware — Claude Code, Codex & co.: status, notifications, git context
- CLI + Skills — agents create panes, run commands, and inspect output
Install
Native builds for macOS, Windows, and Linux on Releases:
| macOS | …-macos-arm64.dmg · …-x86_64.dmg |
drag into Applications |
| Windows | …-setup.exe · portable ….zip |
|
| Linux | …-x86_64.AppImage |
chmod +x and run — X11/Wayland libraries bundled |
What's inside
| Editor-grade input | ghost suggestions from history · explained tab completion · syntax highlighting · multi-line editing · click places the caret · ⌃ R fuzzy history |
| Window | tabs & splits · ⌘ P palette · ⌘ F scrollback search · nine themes · IME |
| Agent-aware | per-pane detection (18 CLIs): status dot · notifications · branch + diff · resume after reboot · tray icon when input is needed |
| Remote workspaces | remote files, repos, changes, diffs, worktrees, tabs, and panes · reconnect from any client and continue where you left off |
| CLI + Skills | bundled tty7 CLI · agent skill · pane/workspace control · real PTY commands · output, process, port, and agent status |
| SSH | native russh stack: profiles with keychain secrets · SFTP panel · port forwarding · jump hosts · one-time, unprivileged tty7-server install |
Full documentation lives in docs/ —
keyboard shortcuts ·
config.json ·
CLI reference. The agent-facing CLI interface is also
documented in skills/tty7/SKILL.md.
Install the skill with:
npx skills add l0ng-ai/tty7 # install
npx skills update tty7 # update later
Benchmarks
Same machine, same day, same 155×40 grid — Apple M1 Pro, macOS 26.3.1, five-run averages (2026-07-04):
| tty7 | Alacritty | Ghostty | Kitty | |
|---|---|---|---|---|
Plaintext I/O — 11 MB cat (lower = better) |
95 ms | 239 ms | 179 ms | 185 ms |
| DOOM-fire frame rate (higher = better) | 888 fps | 485 fps | 552 fps | 617 fps |
| Cold-launch memory | 116 MB¹ | 105 MB | 128 MB | 130 MB |
¹ GUI 105 MB + the persistent server 11 MB.
Methodology and one-command reproduction: scripts/bench/.
Built on gpui and alacritty_terminal · Apache-2.0 · Discord · Changelog