Revert "Revert "Add root uid judgment before running"" (#183)

This reverts commit 0941d67557.

install-dat-release.sh

@@ -26,6 +26,14 @@ curl() {
   $(type -P curl) -L -q --retry 5 --retry-delay 10 --retry-max-time 60 "$@"
 }
 
+check_if_running_as_root() {
+  # If you want to run as another user, please modify $UID to be owned by this user
+  if [[ "$UID" -ne '0' ]]; then
+    echo "error: You must run this script as root!"
+    exit 1
+  fi
+}
+
 download_files() {
   if ! curl -R -H 'Cache-Control: no-cache' -o "${dir_tmp}/${2}" "${1}"; then
     echo 'error: Download failed! Please check your network or try again.'
@@ -56,6 +64,7 @@ install_file() {
 }
 
 main() {
+  check_if_running_as_root
   download_files $DOWNLOAD_LINK_GEOIP $file_ip
   download_files $DOWNLOAD_LINK_GEOSITE $file_dlc
   check_sum

install-release.sh

@@ -44,6 +44,14 @@ systemd_cat_config() {
   fi
 }
 
+check_if_running_as_root() {
+  # If you want to run as another user, please modify $UID to be owned by this user
+  if [[ "$UID" -ne '0' ]]; then
+    echo "error: You must run this script as root!"
+    exit 1
+  fi
+}
+
 identify_the_operating_system_and_architecture() {
   if [[ "$(uname)" == 'Linux' ]]; then
     case "$(uname -m)" in
@@ -491,6 +499,7 @@ show_help() {
 }
 
 main() {
+  check_if_running_as_root
   identify_the_operating_system_and_architecture
   judgment_parameters "$@"