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99 lines
3.9 KiB
Plaintext
99 lines
3.9 KiB
Plaintext
---
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title: "Updates"
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description: "How tty7 updates itself, and what the two channels mean."
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---
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**Settings → About** shows your current version and lets you check for and
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install updates. **Settings → General → Updates** contains the update channel,
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automatic check and download preferences, and update proxy.
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## How it works
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<Steps>
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<Step title="Check">
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tty7 checks at launch and every six hours after that. Turn it off entirely
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with `check_for_updates: false`, or check on demand with **Check now**.
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</Step>
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<Step title="Download and verify, in the background">
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A found release is fetched and verified before you are asked to do anything
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— which turns "spend five minutes downloading" into "press restart".
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Nothing is ever *installed* without an explicit choice; the staged package
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waits in Settings.
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Turn this off on a metered connection: the packages run 25–30 MB.
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(`auto_download_updates: false`)
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</Step>
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<Step title="Update and relaunch">
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A dedicated `tty7-updater` helper verifies the release checksum, the bundle
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version, and — on macOS — the code-signing requirement, before replacing the
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installation. If the relaunch fails, it puts the previous copy back.
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</Step>
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</Steps>
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Declining an update defers it rather than retiring it; it comes back later.
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## Channels
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**Settings → General → Updates → Update channel.**
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| | |
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|---|---|
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| **Stable** *(default)* | Published releases. Reads `/releases/latest`, which excludes prereleases. |
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| **Nightly** | Rebuilt from the latest code every night — newer, but not release-tested. Reads the rolling `nightly` tag. |
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The channel is a property of your **installation**, not something inferred from
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how version numbers sort. Neither feed can hand the other an update, so a
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Nightly is never walked back onto Stable by an update it did not ask for, and an
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installation only changes channel when you change it.
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Switching channels invalidates what the old feed produced: the staged package,
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the deferred prompt, and any transfer still in flight.
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<Note>
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A stable release outranks every dated build of its core version, which is how
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switching back to Stable *graduates* rather than downgrades.
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</Note>
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## Platform notes
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<AccordionGroup>
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<Accordion title="macOS">
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The new GUI reuses a running local server when its wire protocol is
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compatible, so your shells survive the update. An incompatible server keeps
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its shells too and raises an explicit keep-or-restart prompt.
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</Accordion>
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<Accordion title="Windows">
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Windows cannot replace a running daemon's image, so the install path stops
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the service first — and the dialog says so before you agree.
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An all-users `C:\Program Files` install cannot be updated in place and keeps
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the release-page fallback instead. Running Setup as the signed-in user would
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either install a second copy beside the real one, or put a bare UAC prompt
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in front of someone whose GUI just vanished.
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</Accordion>
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<Accordion title="Linux">
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AppImage and tarball installs are replaced by downloading the new file.
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</Accordion>
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</AccordionGroup>
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## "The background server is still running <build>"
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If Settings tells you this, tty7 was updated in place: the app is the new build,
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but your panes are still served by the previous one. Restarting the server picks
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up the new one — **and ends every process running in your panes**, shells,
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agents, and SSH sessions alike.
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There is no hurry. Pick a moment when your panes are idle.
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## Proxies
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Update checks and downloads resolve a proxy from, in order:
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1. `http_proxy` in `config.json` — `http://127.0.0.1:7890` or
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`socks5://127.0.0.1:1080`
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2. The platform system proxy (Windows registry, macOS `SCDynamicStore`)
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3. `HTTP_PROXY` / `HTTPS_PROXY` / `ALL_PROXY`
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Programs running in a pane are deliberately unaffected — they inherit their
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proxy from their own environment, as in any other terminal.
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