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scripts/fetch-ics-cisa-seed.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+DEST_DIR="${1:-$ROOT_DIR/seed-data/ics-cisa}"
+mkdir -p "$DEST_DIR"
+
+info() { printf "[ics-seed] %s\n" "$*"; }
+error() { printf "[ics-seed][error] %s\n" "$*" >&2; }
+
+download() {
+  local url="$1"
+  local target="$2"
+  info "Downloading $(basename "$target")"
+  curl -fL "$url" -o "$target"
+  sha256sum "$target" > "$target.sha256"
+}
+
+BASE="https://raw.githubusercontent.com/icsadvprj/ICS-Advisory-Project/main/ICS-CERT_ADV"
+MASTER_FILE="CISA_ICS_ADV_Master.csv"
+SNAPSHOT_2025="CISA_ICS_ADV_2025_10_09.csv"
+
+info "Fetching ICS advisories seed data (ODbL v1.0)"
+download "$BASE/$MASTER_FILE" "$DEST_DIR/$MASTER_FILE"
+download "$BASE/$SNAPSHOT_2025" "$DEST_DIR/$SNAPSHOT_2025"
+
+MEDICAL_URL="https://raw.githubusercontent.com/batarr22/ICSMA_CSV/main/ICSMA_CSV_4-20-2023.xlsx"
+MEDICAL_FILE="ICSMA_CSV_4-20-2023.xlsx"
+info "Fetching community ICSMA snapshot"
+if curl -fL "$MEDICAL_URL" -o "$DEST_DIR/$MEDICAL_FILE"; then
+  sha256sum "$DEST_DIR/$MEDICAL_FILE" > "$DEST_DIR/$MEDICAL_FILE.sha256"
+else
+  error "Unable to download $MEDICAL_FILE (optional)."
+  rm -f "$DEST_DIR/$MEDICAL_FILE"
+fi
+
+info "Seed data ready in $DEST_DIR"
+info "Remember: data is licensed under ODbL v1.0 (see seed README)."