Add GPU detection and macOS system info script

Extend linux-system-info.sh with GPU name (via lspci) and VRAM
(via nvidia-smi or AMD sysfs). Add macos-system-info.sh with
equivalent OS, CPU, memory, and GPU info using macOS-native tools.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: larsvilhuber

tools/linux-system-info.sh

@@ -7,7 +7,30 @@ osname=$(cat /etc/*release | grep PRETTY_NAME | awk -F= ' {print $2 } ')
 cpuname=$(cat /proc/cpuinfo | grep 'model name' | awk -F: ' { sum+=1; model=$2 } END { print $2 ", " sum " cores" }')
 meminfo=$(free -g | grep Mem | awk ' { print $2  } ')
 
+if command -v lspci &>/dev/null; then
+    gpuinfo=$(lspci | grep -E -i '(vga|3d controller|display controller)' | sed 's/.*: //')
+else
+    gpuinfo="(lspci not available)"
+fi
+
+# Try to get GPU VRAM: nvidia-smi for NVIDIA, sysfs for AMD
+gpumem=""
+if command -v nvidia-smi &>/dev/null; then
+    gpumem=$(nvidia-smi --query-gpu=memory.total --format=csv,noheader 2>/dev/null | paste -sd '/' -)
+elif ls /sys/class/drm/card*/device/mem_info_vram_total &>/dev/null 2>&1; then
+    gpumem=$(awk '{printf "%.0f MiB", $1/1024/1024}' /sys/class/drm/card*/device/mem_info_vram_total | paste -sd '/' -)
+fi
+
 # print it
 echo "- OS: $osname"
 echo "- Processor: $cpuname"
-echo "- Memory available: ${meminfo}GB memory"
+echo "- Memory available: ${meminfo}GB memory"
+if [ -n "$gpuinfo" ]; then
+    memsuffix=""
+    [ -n "$gpumem" ] && memsuffix=" ($gpumem)"
+    echo "$gpuinfo" | while IFS= read -r line; do
+        echo "- GPU: ${line}${memsuffix}"
+    done
+else
+    echo "- GPU: none detected"
+fi

tools/macos-system-info.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Tested on macOS (Intel and Apple Silicon)
+
+echo "System info:"
+osname=$(sw_vers -productName)" "$(sw_vers -productVersion)
+cpuname=$(sysctl -n machdep.cpu.brand_string 2>/dev/null || sysctl -n hw.model)
+cpucores=$(sysctl -n hw.logicalcpu)
+meminforaw=$(sysctl -n hw.memsize)
+meminfo=$(( meminforaw / 1024 / 1024 / 1024 ))
+
+gpuinfo=$(system_profiler SPDisplaysDataType 2>/dev/null \
+    | awk '/Chipset Model:/ { sub(/.*Chipset Model: /, ""); print }')
+
+# print it
+echo "- OS: $osname"
+echo "- Processor: $cpuname, $cpucores cores"
+echo "- Memory available: ${meminfo}GB memory"
+if [ -n "$gpuinfo" ]; then
+    echo "$gpuinfo" | while IFS= read -r line; do
+        echo "- GPU: $line"
+    done
+else
+    echo "- GPU: none detected"
+fi