From f0116485cc56f8318330d90a11ea9091c243c319 Mon Sep 17 00:00:00 2001
From: Darren Cheng <darren@thanx.com>
Date: Mon, 27 Apr 2026 11:38:54 -0700
Subject: [PATCH] dev-specs: include model year in output

Extract the year from the IORegistry marketing name (Intel Macs embed it)
and fall back to inferring from the Apple Silicon chip generation when not
present.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---
 bin/dev-specs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/bin/dev-specs b/bin/dev-specs
index 6d0be290..28ffe747 100755
--- a/bin/dev-specs
+++ b/bin/dev-specs
@@ -55,7 +55,24 @@ if [[ "$os" == "Darwin" ]]; then
   # Model
   model=$(echo "$sp_hw" | awk -F': ' '/Model Name/ {print $2; exit}')
   model_id=$(sysctl -n hw.model 2>/dev/null || echo "unknown")
-  [[ -n "$model" ]] && echo "Model: $model ($model_id)"
+
+  # Year — extract from marketing name (Intel Macs embed it) or infer from chip generation
+  marketing=$(ioreg -p IODeviceTree -lw 0 2>/dev/null | awk -F'"' '/"product-name"/ {print $4; exit}')
+  year=$(echo "$marketing" | grep -oE '\b(19|20)[0-9]{2}\b' | head -1)
+  if [[ -z "$year" && "$arch" == "arm64" ]]; then
+    case "$chip" in
+      *"M1 Pro"*|*"M1 Max"*) year=2021 ;;
+      *"M1 Ultra"*) year=2022 ;;
+      *M1*) year=2020 ;;
+      *"M2 Pro"*|*"M2 Max"*|*"M2 Ultra"*) year=2023 ;;
+      *M2*) year=2022 ;;
+      *M3*) year=2023 ;;
+      *M4*) year=2024 ;;
+      *M5*) year=2025 ;;
+    esac
+  fi
+
+  [[ -n "$model" ]] && echo "Model: $model ($model_id${year:+, $year})"
 
   # Disk size
   disk_size=$(df -h /System/Volumes/Data 2>/dev/null | awk 'NR==2 {print $2}')