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dev/screenshots: the tooling for the README screenshots

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take.sh builds arr-tui, starts a fake Radarr, Sonarr and SABnzbd with a
made-up library (catalog.py, server.py, generated posters), and runs the
scene scripts in Ghostty under Xvfb, writing docs/screenshots/. Run on the
same day it reproduces the committed pictures byte for byte. make test
also shellchecks the scripts.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019reK4DUGYqDUjniWYJvwUW
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nils
2026-10-21 17:05:01 +02:00
co-authored by Claude Opus 5.5
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# README screenshots
`take.sh` makes the pictures in `docs/screenshots/`: it builds arr-tui, starts a fake Radarr,
Sonarr and SABnzbd with a made-up library, and runs arr-tui in Ghostty on a virtual X display,
following the scene scripts. Nothing real is shown: invented titles, generated posters, dummy API
keys (masked in the Config view anyway).
```sh
dev/screenshots/take.sh
# on NixOS, with the tools from nixpkgs:
nix-shell -p xvfb-run xorg-server xdotool imagemagick oxipng --run dev/screenshots/take.sh
```
Needs Go, Python 3, Ghostty, `xvfb-run` (Xvfb), `xdotool`, ImageMagick 7 and fontconfig with the
DejaVu fonts; `oxipng` (optional) compresses the PNGs losslessly. It takes about a minute.
| File | What it is |
|---|---|
| `catalog.py` | The made-up library: movies (with file details) and series (with seasons). |
| `posters.sh` | Draws a poster per title into `posters/` (gradient, title, year); run by `take.sh` when `posters/` is missing. |
| `server.py` | The fake services on 127.0.0.1: Radarr 19891, Sonarr 19892, SABnzbd 19893. Library, search, releases, queues, history, calendar, posters. |
| `xshot.sh` | Runs a command in Ghostty under Xvfb and follows a scene script. |
| `scenes/*.txt` | What to press and when to take a picture: `key`, `type`, `sleep`, `shot <name>`. |
To change a picture, edit its scene (the key presses depend on the order of `catalog.py`, e.g.
"The Long Orbit" is the 13th movie alphabetically) and run `take.sh` again. Some views show today's
date (Calendar, Downloads), so every run changes those pictures a little.