Add Calamares installer extension

[igorpecovnik]

Summary

• Add new Calamares-based installer extension for Armbian live images
• Provides graphical installation experience for desktop environments
• Includes partitioning, filesystem unpacking, display manager, and bootloader configuration
• Auto-detects display manager (LightDM/GDM3/SDDM) based on installed packages

Files added

• extensions/calamares-installer/calamares.sh - Main installer hook
• extensions/calamares-installer/config/etc/calamares/ - Calamares configuration
  • settings.conf - Module instances configuration
  • modules.conf - Module sequence
  • modules/*.conf - Individual module configurations (partition, unpackfs, displaymanager, shellprocess)
• extensions/calamares-installer/config/usr/libexec/armbian-finalize.sh - Finalization script
• extensions/calamares-installer/config/xdg/autostart/calamares.desktop - Autostart entry

Test plan

• Build live image with Calamares extension enabled
• Boot live image and verify Calamares launches automatically
• Test installation process with different partition layouts
• Verify bootloader installation works on target hardware
• Test with different desktop environments (XFCE, GNOME, KDE)

[coderabbitai]

Important

Review skipped

Draft detected.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch calamares

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}