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38 pages under docs/, written against the source rather than the README: config keys and their clamps from core::config, default keybindings from ui::keymap, every CLI verb and flag from tty7-cli, agent aliases and hook/fork/resume support from core::cli_agent, and Settings paths taken from the actual en-US strings. docs/features.md and its zh-CN translation are retired — everything in them now lives in a page of its own, plus the two things they carried that nothing else did (IME input, the performance notes). README and README.zh-CN point at docs/ instead. Screenshots and videos are placeholders for now: docs/images/placeholder.svg with a caption naming what each shot should be.
74 lines
3.4 KiB
Plaintext
74 lines
3.4 KiB
Plaintext
---
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title: "Shell integration"
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description: "What tty7 injects into your shell, and what it buys you."
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---
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A terminal that only sees bytes cannot tell a prompt from output, or a finished
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command from a hung one. tty7's shell integration closes that gap: the shell
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reports where prompts begin, what was submitted, what it exited with, and where
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it is.
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**You do not install it.** It is injected when the pane's shell starts, and
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removes itself from the equation if you run the same shell elsewhere.
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## Which shells
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| Shell | How it is injected |
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|---|---|
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| **zsh** | A throwaway `ZDOTDIR` whose files source yours first, then tty7's. Your `TTY7_USER_ZDOTDIR` is preserved. |
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| **bash** | An rcfile that sources your own first. |
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| **fish** | A `-C` init command. |
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| **PowerShell** | An encoded init command that wraps your existing `prompt` function and PSReadLine's line reader. |
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| **WSL** *(Windows)* | The distro's shell is bootstrapped with the same scripts. |
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| **Remote panes** | The same three POSIX shells, bootstrapped over the SSH connection. Toggle per profile with **Settings → SSH → Session → Shell integration**. |
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`TTY7_SHELL_INTEGRATION` is set once it is active, and guards against a second
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injection when shells nest.
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<Note>
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A shell launched with custom arguments is left alone for bash and PowerShell,
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because tty7's injection would conflict with the flags you chose.
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</Note>
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## What it reports
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| Signal | Sequence | Used for |
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|---|---|---|
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| Prompt begins / input begins | `OSC 133;A`, `133;B` | The [prompt layer](/terminal/prompt): suggestions, completion, multi-line editing |
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| Command submitted | `OSC 133;C` | Knowing a command is running; agent detection on Windows, where ConPTY exposes no foreground process group |
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| Command finished, with exit code | `OSC 133;D` | The "finished after 42s" notification, failure marks in [history](/terminal/history) |
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| Working directory | `OSC 7` | New tabs and splits opening in the right place, the sidebar's repo grouping, the git branch readout |
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| Editing mode (vi / emacs) | `OSC 133;V` | Matching tty7's key handling to your shell's mode |
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| Window title | `OSC 0` | Tab labels |
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## What turns off without it
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Run a shell tty7 does not integrate with, and everything below still works —
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it just falls back to less precise sources:
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- Ghost suggestions, the completion menu, and <kbd>⌃ R</kbd>'s fuzzy history
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- "Command finished" notifications and the failure marks in history search
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- Exact working-directory tracking (tty7 falls back to inspecting the process)
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Panes, splits, scrollback, search, SSH, and the CLI are unaffected.
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## Per-pane history
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When `per_pane_history` is on, the integration is also what makes it work. It
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runs *after* your own rc file — which is the only reason it can: `$HISTFILE` is
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yours to set, wherever you like, and nothing outside the shell knew where it
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pointed until then.
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The sequence is: seed the pane's private file from your real history so it does
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not start blank, record how much was seeded, repoint `$HISTFILE`, and merge
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everything past that mark back when the pane closes.
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[More about history →](/terminal/history#one-history-or-one-per-pane)
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## Remote shells
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For a remote workspace or an SSH pane, the same scripts are sent over the
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connection at login, so a remote pane reports its cwd, exit codes, and prompt
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marks exactly like a local one. Turn it off for a particular host under that
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profile's **Advanced → Session**.
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