Allow heading tags (h1-h6) in ContentSanitizer so news editor headings render

services/enhance-worker/scripts/download-realesrgan-ncnn.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+BIN_DIR="${ROOT_DIR}/bin"
+MODEL_DIR="${ROOT_DIR}/models"
+TMP_DIR="${ROOT_DIR}/.tmp"
+FORCE=0
+RELEASE_VERSION="${REALESRGAN_RELEASE_VERSION:-v0.2.5.0}"
+ASSET_NAME="${REALESRGAN_RELEASE_ASSET:-realesrgan-ncnn-vulkan-20220424-ubuntu.zip}"
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --force)
+      FORCE=1
+      shift
+      ;;
+    --version)
+      RELEASE_VERSION="${2:?--version requires a value}"
+      shift 2
+      ;;
+    *)
+      echo "Unknown argument: $1" >&2
+      exit 1
+      ;;
+  esac
+done
+
+if [[ "${RELEASE_VERSION}" == "latest" ]]; then
+  RELEASE_URL="${REALESRGAN_RELEASE_URL:-https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/${ASSET_NAME}}"
+else
+  RELEASE_URL="${REALESRGAN_RELEASE_URL:-https://github.com/xinntao/Real-ESRGAN/releases/download/${RELEASE_VERSION}/${ASSET_NAME}}"
+fi
+
+mkdir -p "${BIN_DIR}" "${MODEL_DIR}" "${TMP_DIR}"
+
+if [[ -f "${BIN_DIR}/realesrgan-ncnn-vulkan" && "${FORCE}" -ne 1 ]]; then
+  echo "Binary already exists at ${BIN_DIR}/realesrgan-ncnn-vulkan. Use --force to replace it."
+  exit 0
+fi
+
+ARCHIVE_PATH="${TMP_DIR}/${ASSET_NAME}"
+EXTRACT_DIR="${TMP_DIR}/realesrgan-extract"
+rm -rf "${EXTRACT_DIR}"
+mkdir -p "${EXTRACT_DIR}"
+
+echo "Downloading ${RELEASE_URL}"
+curl -L --fail --output "${ARCHIVE_PATH}" "${RELEASE_URL}"
+
+if [[ ! -f "${ARCHIVE_PATH}" ]]; then
+  echo "Download failed: archive not found at ${ARCHIVE_PATH}" >&2
+  exit 1
+fi
+
+unzip -o "${ARCHIVE_PATH}" -d "${EXTRACT_DIR}" >/dev/null
+
+BINARY_PATH="$(find "${EXTRACT_DIR}" -type f -name 'realesrgan-ncnn-vulkan' | head -n 1)"
+
+if [[ -z "${BINARY_PATH}" ]]; then
+  echo "Could not find realesrgan-ncnn-vulkan in the downloaded archive." >&2
+  exit 1
+fi
+
+install -m 0755 "${BINARY_PATH}" "${BIN_DIR}/realesrgan-ncnn-vulkan"
+
+find "${EXTRACT_DIR}" -type f \( -name '*.param' -o -name '*.bin' \) -print0 | while IFS= read -r -d '' model_file; do
+  install -m 0644 "${model_file}" "${MODEL_DIR}/$(basename "${model_file}")"
+done
+
+echo "Installed binary: ${BIN_DIR}/realesrgan-ncnn-vulkan"
+echo "Installed models in: ${MODEL_DIR}"