c-ludenberg
6ec25cca78
- Replace dead init selector (packagechooser.conf, 303 lines) with packagechooser_de.conf + packagechooser_dm.conf (netinstall-add method) - Remove init SVGs (dinit, openrc, runit, s6) - Clean netinstall.yaml — Desktop group removed, DEs added dynamically - Update calamares-online/settings.conf with packagechooser@de + @dm instances - Fix set-antergos-wallpaper.sh: Array() not [], no reloadConfig() - Rewrite installer, launcher, and live-overlay docs
78 lines
4.4 KiB
Markdown
78 lines
4.4 KiB
Markdown
---
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title: Launcher
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layout: default
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nav_order: 11
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---
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# Calamares Launcher
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The `calamares-next` script (`calamares-next.sh`) handles the installer boot flow. It is installed by the `calamares-branding-antergos-next` package to `/usr/bin/calamares-next`.
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## Boot flow
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1. **Notice** — displays a YAD information dialog explaining why the offline install mode was removed
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2. **Welcome** — presents a branded splash screen with a single "Install" button
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3. **Configuration** — copies `calamares-online/settings.conf` to `/etc/calamares/settings.conf` after removing any existing file (the removal is necessary to prevent `cp` from following symlinks)
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4. **Launch** — runs `calamares -D8` with the online config; debug output is redirected to a log file at `~/antergos-install.log`
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## Desktop entry
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`/usr/share/applications/calamares.desktop` in the live-overlay launches with:
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```
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Exec=sudo -E calamares-next
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```
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`sudo -E` preserves environment variables (`WAYLAND_DISPLAY`, `XDG_CURRENT_DESKTOP`, etc.) when launched from the SDDM session. Without it, Calamares may not detect the display server correctly.
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## Module config resolution
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The online settings file specifies `modules-search: [ local ]`, which resolves to the directory containing the settings file itself. After `SetConfig()` copies the file to `/etc/calamares/settings.conf`, modules are loaded from `/etc/calamares/modules/`. The `calamares-online/modules/` directory in the live-overlay is not used as a module source during installation — its contents exist only as a reference; the active module configs are those under `calamares/modules/`.
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## Calamares sequence
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The installer runs two `packagechooser` instances in sequence, followed by the `netinstall` module:
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| Step | Instance | Module Config | Method | Purpose |
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|------|----------|---------------|--------|---------|
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| 4 | `packagechooser@de` | `packagechooser_de.conf` | `netinstall-add` | Desktop environment picker (required, default Plasma) |
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| 5 | `packagechooser@dm` | `packagechooser_dm.conf` | `netinstall-select` | Display manager picker (required, default SDDM) |
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| 6 | `netinstall` | `netinstall.yaml` | — | Refine packages, add optional groups |
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### How `netinstall-add` works
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When the user selects a DE, `packagechooser@de` writes a group definition to the `netinstallAdd` global storage key. When the `netinstall` module loads, it reads this key and appends the DE's package group to the tree. This allows users to see and refine the packages for their chosen DE — for example, deselecting specific applications.
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The DM selector uses `netinstall-select`, which marks the chosen DM group (e.g. SDDM) as checked in the netinstall tree. Both keys are read by the netinstall module's `onActivate()` method at runtime. See `NetInstallPage.cpp` in the Calamares source for details.
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### Available DE groups
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Each DE item in `packagechooser_de.conf` includes a `netinstall:` field with its full package list. The groups are mutually exclusive — selecting a new DE replaces the previously selected one in the netinstall tree. Once added, the group behaves identically to a group defined in `netinstall.yaml`: users can expand it, toggle subgroups, or remove individual packages.
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## Pacman log capture
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During installation, the launcher polls for the existence of a pacman log file within the chroot (at `/tmp/calamares-root-*/var/log/pacman.log`). When detected, a copy is written to `~/pacman-install.log`. No terminal windows are opened to display installation progress.
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## Config switching
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`SetConfig()` in `calamares-next.sh`:
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1. `rm -f` the existing settings file at `/etc/calamares/settings.conf`
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2. `cp` the online settings file to `/etc/calamares/settings.conf`
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3. Calamares reads the config on launch
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## Hiding "Install Artix"
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The live-overlay includes `calamares-config-switcher.desktop` with `NoDisplay=true`. This hides the upstream Artix "Install Artix Linux" desktop entry while keeping the binary available for other uses.
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## Module configs
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Configs live in `live-overlay/etc/calamares/modules/`:
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- `packagechooser_de.conf` — desktop environment selector using `method: netinstall-add`
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- `packagechooser_dm.conf` — display manager selector using `method: netinstall-select`
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- `initcpiocfg.conf` — mkinitcpio configuration
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- `services-artix.conf` — service enablement via `artix-service`
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- `grubcfg.conf` — GRUB default configuration (`/etc/default/grub`)
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- `bootloader.conf` — bootloader installation parameters
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