mirror of
https://github.com/stornic56/debianito-post-install.git
synced 2026-07-16 05:49:49 +00:00
stornic56
260 lines
7.4 KiB
Bash
260 lines
7.4 KiB
Bash
#!/usr/bin/env bash
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# Common utility functions for the post-install script
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# ------------------
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# Global variables
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# ------------------
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CPU_SUMMARY=""
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RAM_SUMMARY=""
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GPU_TYPE=""
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GPU_DESC=""
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GPU_VERSION=""
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INTEL_GPU_DEVICE_ID=""
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NVIDIA_GPU_DEVICE_ID=""
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KERNEL_VERSION=""
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WIFI_CHIPSET=""
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# --------------------------
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# Pre-flight checks
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# --------------------------
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check_root() {
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if [ "$EUID" -eq 0 ]; then
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echo -e "${RED}Do not run this script as root. Use a normal user with sudo.${NC}"
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exit 1
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fi
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}
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check_sudo() {
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if ! sudo -v; then
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echo -e "${RED}This script requires sudo privileges.${NC}"
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exit 1
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fi
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}
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# --------------------------------
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# Time sync before network ops
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# --------------------------------
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sync_system_time() {
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if command -v timedatectl &> /dev/null; then
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local ntp_active
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ntp_active=$(timedatectl show --property=NTP --value 2>/dev/null || echo "no")
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if [ "$ntp_active" != "yes" ]; then
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echo -e "${YELLOW}NTP not active. Attempting to enable time sync...${NC}"
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sudo timedatectl set-ntp true 2>/dev/null || true
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sleep 2
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fi
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elif command -v hwclock &> /dev/null && command -v ntpd &> /dev/null; then
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sudo hwclock --hctosys 2>/dev/null || true
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fi
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}
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# --------------------------------
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# Debian version detection
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# --------------------------------
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detect_debian_version() {
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if ! command -v lsb_release &> /dev/null; then
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if [ -f /etc/os-release ]; then
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DEBIAN_CODENAME=$(grep -oP 'VERSION_CODENAME=\K\w+' /etc/os-release 2>/dev/null || echo "")
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fi
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if [ -z "$DEBIAN_CODENAME" ]; then
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echo -e "${YELLOW}Installing lsb-release...${NC}"
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sync_system_time
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sudo apt update -qq 2>/dev/null && sudo apt install -y -qq lsb-release
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fi
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fi
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if [ -z "$DEBIAN_CODENAME" ]; then
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DEBIAN_CODENAME=$(lsb_release -cs 2>/dev/null || echo "")
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fi
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case "$DEBIAN_CODENAME" in
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bookworm) DEBIAN_VERSION="12" ;;
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trixie) DEBIAN_VERSION="13" ;;
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*)
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echo -e "${RED}Unsupported Debian version: '$DEBIAN_CODENAME'. Only 12 (bookworm) and 13 (trixie) are supported.${NC}"
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exit 1
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;;
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esac
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}
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# ----------------------------------
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# CPU and RAM info (cosmetic)
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# ----------------------------------
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detect_cpu_ram() {
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CPU_SUMMARY=$(grep -m1 'model name' /proc/cpuinfo | sed 's/.*: //')
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RAM_KB=$(grep MemTotal /proc/meminfo | awk '{print $2}')
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RAM_GB=$(awk -v kb="$RAM_KB" 'BEGIN { printf "%.2f", kb / 1048576 }')
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RAM_SUMMARY="${RAM_GB} GB"
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}
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get_cpu_summary() {
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echo "$CPU_SUMMARY"
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}
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get_ram_summary() {
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echo "$RAM_SUMMARY"
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}
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# ----------------------------------
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# Package installed check
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# ----------------------------------
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is_installed() {
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dpkg -l "$1" 2>/dev/null | grep -q '^ii'
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}
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# ----------------------------------
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# Package version lookup
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# ----------------------------------
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pkg_versions() {
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local result=""
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for pkg in "$@"; do
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local ver
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ver=$(apt-cache policy "$pkg" 2>/dev/null | awk 'NR==3 {print $2; exit}')
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if [ -n "$ver" ] && [ "$ver" != "(none)" ]; then
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result+=" - ${pkg} ${ver}\n"
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else
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result+=" - ${pkg}\n"
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fi
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done
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echo -e "$result"
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}
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# ----------------------------------
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# Kernel version
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# ----------------------------------
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detect_kernel() {
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KERNEL_VERSION=$(uname -r)
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}
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# ----------------------------------
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# GPU detection
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# ----------------------------------
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detect_gpu() {
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local gpu_line
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gpu_line=$(lspci -nn | grep -E "VGA|3D" | head -n1) || true
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if [ -z "$gpu_line" ]; then
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GPU_TYPE="unknown"
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GPU_DESC="No GPU detected"
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return
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fi
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GPU_DESC=$(echo "$gpu_line" | sed -E 's/.*: //; s/ *\(rev.*//')
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if echo "$gpu_line" | grep -qi "AMD"; then
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GPU_TYPE="amd"
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elif echo "$gpu_line" | grep -qi "Intel"; then
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GPU_TYPE="intel"
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INTEL_GPU_DEVICE_ID=$(echo "$gpu_line" | grep -oP '8086:\K[0-9a-fA-F]+' | head -n1)
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if [ -n "$INTEL_GPU_DEVICE_ID" ]; then
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INTEL_GPU_DEVICE_ID="0x${INTEL_GPU_DEVICE_ID,,}"
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fi
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elif echo "$gpu_line" | grep -qi "NVIDIA"; then
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GPU_TYPE="nvidia"
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NVIDIA_GPU_DEVICE_ID=$(echo "$gpu_line" | grep -oP '10de:\K[0-9a-fA-F]+' | head -n1)
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else
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GPU_TYPE="unknown"
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fi
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if [ "$GPU_TYPE" = "nvidia" ]; then
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local nv_ver
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nv_ver=$(nvidia-smi --query-gpu=driver_version --format=csv,noheader 2>/dev/null | head -1)
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if [ -z "$nv_ver" ]; then
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nv_ver=$(dpkg -l nvidia-driver 2>/dev/null | awk '/^ii/ {print $3}' | sed 's/-.*//')
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fi
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[ -n "$nv_ver" ] && GPU_VERSION="NVIDIA $nv_ver"
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fi
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if [ -z "$GPU_VERSION" ]; then
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local mesa_ver
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mesa_ver=$(dpkg -l libgl1-mesa-dri 2>/dev/null | awk '/^ii/ {print $3; exit}' | sed 's/-.*//')
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[ -n "$mesa_ver" ] && GPU_VERSION="Mesa $mesa_ver"
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fi
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}
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get_gpu_summary() {
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if [ -n "$GPU_DESC" ]; then
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echo "$GPU_DESC"
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else
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echo "Unknown/Rare"
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fi
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}
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# -------------------------------------
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# Network adapter detection
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# -------------------------------------
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WIFI_CHIPSET=""
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WIFI_DESC=""
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ETH_DESC=""
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detect_network() {
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local eth_line
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eth_line=$(lspci -nn | grep -i 'Ethernet controller' | head -n1) || true
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if [ -n "$eth_line" ]; then
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ETH_DESC=$(echo "$eth_line" | sed -E 's/^.*\]: //; s/ \[[0-9a-fA-F]{4}:[0-9a-fA-F]{4}\]//; s/ \(rev [0-9a-fA-F]+\)//')
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fi
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local wifi_line
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wifi_line=$(lspci -nn | grep -i 'Network controller' | head -n1) || true
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if [ -n "$wifi_line" ]; then
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WIFI_CHIPSET="$wifi_line"
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WIFI_DESC=$(echo "$wifi_line" | sed -E 's/^.*\]: //; s/ \[[0-9a-fA-F]{4}:[0-9a-fA-F]{4}\]//; s/ \(rev [0-9a-fA-F]+\)//')
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fi
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}
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# ---------------------------------------
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# Intel HD Graphics generation detection
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# ---------------------------------------
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# Returns "gen7-" if Device ID < 0x1600, else "gen8+"
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get_intel_generation() {
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if [ -z "$INTEL_GPU_DEVICE_ID" ]; then
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# fallback: assume gen8+
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echo "gen8+"
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return
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fi
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local dev_int
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dev_int=$(printf "%d" "$INTEL_GPU_DEVICE_ID")
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if [ "$dev_int" -lt 5632 ]; then # 0x1600 = 5632
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echo "gen7-"
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else
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echo "gen8+"
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fi
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}
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# ----------------------------------------------------------------------
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# Check if backports repository is enabled (active line without #)
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# ----------------------------------------------------------------------
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is_backports_enabled() {
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# Check classic sources.list
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if [ -f /etc/apt/sources.list ]; then
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if grep -Eq '^[^#]*[ \t]+bookworm-backports[ \t]+' /etc/apt/sources.list 2>/dev/null; then
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echo true
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return
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fi
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if grep -Eq '^[^#]*[ \t]+trixie-backports[ \t]+' /etc/apt/sources.list 2>/dev/null; then
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echo true
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return
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fi
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fi
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# Check deb822 .sources files
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if [ -d /etc/apt/sources.list.d ]; then
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if grep -qr 'Suites:.*-backports' /etc/apt/sources.list.d/*.sources 2>/dev/null; then
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echo true
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return
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fi
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fi
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echo false
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}
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get_backports_kernel_version() {
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local ver
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ver=$(apt-cache policy linux-image-amd64 2>/dev/null | \
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grep -E '^[[:space:]]+[0-9]+\.[0-9]+\.[0-9]+.*~bpo' | head -n1 | awk '{print $1}')
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if [ -n "$ver" ]; then
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echo "$ver"
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else
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echo "unknown"
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fi
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}
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