- Fixed `set -euo pipefail` crashes across hardware detection: Added `|| true` guards to all `nvidia-smi`, `dpkg -l`, `apt-cache policy`, and `nvidia-detect` pipelines in `sysinfo.sh` (3 lines) and `gpu/nvidia.sh` (7+ lines).
- Created new Audio & Sound module (`modules/extras/audio/audio.sh`) with Debian version-specific logic: Bullseye basic mode vs Bookworm/Trixie standard PipeWire stack, plus ALSA utilities, pavucontrol, pulsemixer, playerctl. Added menu entry "14 Audio & Sound".
- Migrated Flatpak from System Tools to Software Center category. Renamed menu to "Software Center & Flatpak", converted single-select to multi-select checklist in `software_centers.sh`, removed logic from `system.sh`.
- Implemented robust time synchronization: New `_ensure_time_synced()` function in `utils.sh` forces NTP active, validates timezone with interactive `dpkg-reconfigure tzdata` if needed, restarts `systemd-timesyncd`, and verifies sync status. Replaced `check_system_time` call in main script.
- Fixed System Info network detection: Removed hardcoded 2-line height limit (now dynamic via terminal size), fixed hard-coded array indices to use progressive counters for multiple interfaces including USB WiFi adapters.
Fixes a critical startup crash on hybrid graphics laptops (e.g., Intel + Nvidia) running fresh Debian installs without proprietary drivers.
When the secondary GPU enters D3cold power state, kernel-level I/O operations (like `lspci` or reading `/sys/block/`) hang in Uninterruptible Sleep (State D), ignoring standard kill signals and freezing the terminal. Combined with `set -euo pipefail`, these hangs made the script silently fail or enter infinite loops.
Changes:
- Timeout Wrappers: Wrapped all hardware probing commands (`lspci`, `lsblk`, `cat /sys/...`, `ip`, `iwgetid`, `pw-cli`) with `timeout 2` to force-continue if the kernel blocks.
- Pipeline Safety: Added `|| true` to `nvidia-smi` and `dpkg` fallback queries to prevent `pipefail` from killing the script when drivers are missing.
- Loop Hardening: Fixed an infinite loop in `detect_gpu()` where empty `lspci` outputs caused by timeouts would loop forever by adding `[[ -z "$line" ]] && continue`.
- TUI Fallbacks: Added default values for `${LINES:-24}` and `${COLUMNS:-80}` to prevent `set -u` from crashing the `whiptail` menu in restricted shell environments.
- Refactored `install_zram` into a dedicated submenu (`zram_menu`) within `modules/zram.sh`. Split monolithic logic into three distinct operations: `_zram_view`, `_zram_create`, and `_zram_remove`. Enables status verification before installation and safe cleanup. Updated main menu entry in `debianito.sh` to call the new sub-menu.
- Resolved Trixie backports dependency conflicts between `mesa-libgallium` and `mesa-va-drivers` (Mesa 26+). Modified package lists in `_helpers.sh` and `gpu.sh` to exclude `mesa-va-drivers` during backports installs, prioritizing `mesa-vulkan-drivers` for stable Gallium integration.
- Implemented dynamic dimensioning in `_show_sysinfo()`. Calculates optimal width/height based on terminal size (`tput cols`) and content length. Truncates long lines to prevent UI overflow in small terminals, capped at 22-line height.
- System Time (NTP)*: Overhauled `modules/utils.sh`. `check_system_time()` now warns if year < 2025 and enables NTP silently if off but valid. `sync_system_time()` conditionally installs/starts `systemd-timesyncd` and verifies synchronization via `timedatectl NTPSynchronized`.
- LightDM Configuration: Added `_configure_lightdm()` to ensure the user list is visible in the greeter. Installs `lightdm-gtk-greeter-settings` and creates an override config (`99-show-users.conf`) during startup without interrupting the flow.
- Wine Installation: Simplified Wine setup in `system.sh` and Bullseye `extras.sh`. Removed i386 multiarch logic; now installs only `wine64 fonts-wine`. Added post-install version verification to confirm successful deployment.
- Lutris Dependencies: Updated `install_lutris()` in `tools.sh` and `legacy.sh`. Now conditionally adds `wine32` only if the system supports i386 architectures, preventing dependency failures on 64-bit-only setups.
- Boot Rescue Module: Created new standalone `modules/rescue.sh`. Provides UEFI boot repair tools: Secure Boot refirm (shim + GRUB) and Initramfs regeneration for all kernels. Integrated into the main menu as a dedicated rescue section.
- update docs
- Implemented multi-layered WiFi detection logic in `utils.sh`. Added PCI class text grep, exact `lspci -d ::0280` matching for wireless devices, Broadcom vendor ID fallback (`14e4`), and USB discovery via `lsusb`. Improved `sysinfo.sh` fallback message to guide users toward the Firmware option.
- Added `_pause()` execution after `vainfo` outputs in `gpu/_helpers.sh` (`offer_generic_tools`) and `gpu/amd_intel.sh` (`offer_amd_tools`, `offer_intel_tools`). Ensures users can review hardware info before proceeding with tool installation.
- Refactored Java selection in `extras/java.sh`. Switched from single-option `--menu` to multi-select `--checklist`, enabling simultaneous Temurin JRE installations with all versions enabled by default and iterative installation logic.
- Created standalone modules/bluetooth.sh for `_install_bluetooth_stack()` with desktop-aware frontend selection (bluedevil/KDE, blueman/XFCE/other). Extracted from `firmware.sh`, reducing it from 438 to 369 lines.
- Added `detect_desktop_environment()` and `detect_audio_server()` functions in `utils.sh` with new globals `DESKTOP_ENV=""` and `AUDIO_SERVER=""`.
- New `found_active_wifi` flag detects Qualcomm Atheros AR9485 PCI chips without loaded firmware, displaying `(no driver — install firmware)` instead of silently disappearing. Auto-installs `firmware-atheros + firmware-linux-nonfree` after Firmware & Wireless Setup.
- New `is_nvidia_blackwell()` detects GPUs in ranges `0x2900–0x29BF` and `0x2B80–0x31FF`. Added `_enable_cuda_repo()` helper for extrepo-based CUDA installation with APT pinning. DKMS verification blocks added to all `_install_nvidia_*` functions.
- Standardized repository enablement across 7 modules using `_enable_*_repo()` helpers:
- `internet.sh`: Firefox/Floorp/LibreWolf, Pale Moon, Tailscale, Mullvad VPN/Browser, ProtonVPN
- `jellyfin.sh`, `programming.sh` (VSCodium), `java.sh` (Temurin)
- New `extras/office/office.sh`: OnlyOffice + LibreOffice with language detection
- The main script was reduced from 233 to 137 lines. Created new `modules/sysinfo.sh` (97 lines) for `_show_sysinfo()`. Source chain: `utils.sh → sysinfo.sh → sudo_config.sh → repos → firmware.sh → bluetooth.sh → gpu.sh → kernel.sh → gaming.sh → extras.sh → zram.sh → java.sh`.
- Renamed menu to `"Firmware, Wireless & Bluetooth"`. Translated NTP dialog (English), basic programs install message, and NVIDIA 32-bit legacy messages.
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