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Single-script builder (nosignal.sh) that turns a stock Arch Linux ISO into a fully-offline installer for a themed Hyprland + caelestia (Quickshell) desktop: matching SDDM greeter, Btrfs/Limine bootable snapshots, chwd-style GPU detection, and a curated "os updates" layer (keybind cheatsheet, settings panels, system polish, on-box management skill). See README.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
57 lines
2.5 KiB
Markdown
Executable file
57 lines
2.5 KiB
Markdown
Executable file
# NoSignal — software installation
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The base ships `pacman` only: no AUR helper and no GUI store, even though ~750
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of the base packages come from the AUR. NoSignal gives users a complete way
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to install software.
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## The model
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| Layer | Tool | Who it's for |
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|-------|------|--------------|
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| Plumbing | **yay** (AUR helper) | terminal users: `yay -S <pkg>`, `yay <search>`; also what `nosignal-update` uses for upgrades |
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| App store | **Shelly** (`shelly-bin`) | everyone: GUI package manager on `Super+I` — official repos + AUR + Flathub + AppImage in one UI |
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| Flatpak backend | **flatpak** + Flathub remote | sandboxed/proprietary desktop apps via Shelly's flatpak pages |
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[Shelly](https://github.com/Seafoam-Labs/Shelly-ALPM) is a GTK4 package manager
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built directly on libalpm (pacman's own library). CachyOS adopted it as their
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default GUI package manager in April 2026. The `shelly-bin` AUR package
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(maintained by the Shelly author) installs:
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- `shelly-ui` — the GUI (what `Super+I` launches; also in the app launcher as "Shelly")
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- `shelly` — the CLI
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- `shelly-notifications` — tray service for update notifications (started via
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`exec-once` in the appended Hyprland config)
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## Files
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| File | Role |
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|------|------|
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| `install-software-install.sh` | idempotent installer — bootstraps yay if missing, installs `shelly-bin` + `flatpak` + `archlinux-appstream-data`, adds the Flathub remote, appends the bind |
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| `hyprland-software-install.conf` | `Super+I` bind + `shelly-notifications` autostart → appended to `~/.config/caelestia/hypr-user.conf` |
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```sh
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sh ~/Downloads/software-install/install-software-install.sh
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```
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Also wired into `nosignal-update` as migration `1781222400-software-install.sh`.
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## Packaging
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Bake the packages into the base instead of installing post-hoc:
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- **Add to the package list:** `yay-bin` (or `yay`), `shelly-bin`, `flatpak`,
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`archlinux-appstream-data`. This also satisfies the change-3 recommendation
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("ship an AUR helper").
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- **Preconfigure the Flathub remote** (`flatpak remote-add --if-not-exists
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flathub https://dl.flathub.org/repo/flathub.flatpakrepo`) in the image build
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or firstboot.
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- The `Super+I` bind + notifier autostart land via `hypr-user.conf` like the
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other NoSignal binds.
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## Caveats
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- Shelly is young (rapid 1.x → 2.x churn through 2026); pin `shelly-bin` updates
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to `nosignal-update` runs like everything else. CachyOS shipping it as default
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is a reasonable endorsement.
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- `shelly-bin` lists `fish` as an optdepend for shell completions only — not a
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reason to keep fish.
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