webdev bc7141404e fix(wsl): stop handing bash an rcfile the distro cannot read (#535)
The WSL bootstrap writes the rcfile on the Windows side and names it to
the distro over `/mnt`. That path is not a given — automount can be off,
`/etc/wsl.conf` can move the root, and a distro can have no drvfs at all
— and the bash arm passed it to `--rcfile` without asking whether it was
there.

bash ignores an unreadable `--rcfile` in silence. And because tty7 starts
it non-login on purpose, so that `--rcfile` is honoured at all, there is
no `.bash_profile` pass to fall back on: such a pane opened a shell that
had read no startup file of any kind. Not tty7's integration, which is
the part that was supposed to be optional — the user's own `.bashrc`,
gone, with nothing said. The pane looks fine; every alias, prompt and
function the user wrote is simply absent.

The arm now checks the file is readable from inside the distro before
committing to it, and falls back to a plain login shell when it is not:
no integration, but a shell that reads everything the user wrote. That is
the same shape the zsh arm beside it already uses, and the failure worth
having of the two.

The dispatch test grows the case: with a `TTY7_RC` naming a file that is
not there, the bootstrap must exec `bash -l` and must not mention
`--rcfile` at all.
2026-08-12 10:45:33 +08:00

tty7

tty7

A terminal workbench: persistent sessions, remote work, agents.

Pure Rust · GPU rendering on Zed's gpui · VT core from Alacritty


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tty7 with a tab sidebar of agent sessions across several repos, running Claude Code

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 each platform 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

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/.


S
Description
A terminal workbench in pure Rust: shells, persistent sessions, SSH, coding agents. GPU-rendered on Zed's gpui, VT core from Alacritty.
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