Latest review note

scripts/review-note

@@ -57,12 +57,31 @@ cmd_write() {
   fi
 }
 
+cmd_latest() {
+  local branch="${1:-$(git branch --show-current)}"
+  local blob obj note br rnd best="" best_round=-1
+  while read -r blob obj; do
+    note=$(git notes --ref="$NOTES_REF" show "$obj") || continue
+    br=$(sed -n 's/^branch: //p' <<<"$note")
+    [ "$br" = "$branch" ] || continue
+    rnd=$(sed -n 's/^round: //p' <<<"$note")
+    [[ "$rnd" =~ ^[0-9]+$ ]] || continue
+    if [ "$rnd" -gt "$best_round" ]; then
+      best_round=$rnd
+      best=$note
+    fi
+  done < <(git notes --ref="$NOTES_REF" list)
+  [ -n "$best" ] || die "no review notes for branch: $branch"
+  printf '%s\n' "$best"
+}
+
 main() {
   local cmd="${1:-}"
   if [ $# -gt 0 ]; then shift; fi
   case "$cmd" in
     show) cmd_show "$@" ;;
     write) cmd_write "$@" ;;
+    latest) cmd_latest "$@" ;;
     *) usage ;;
   esac
 }