Update misc/tools.func

Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>

CHANGELOG.md

@@ -448,6 +448,18 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-04-30
+
+### 🆕 New Scripts
+
+  - Neko ([#14121](https://github.com/community-scripts/ProxmoxVE/pull/14121))
+
+### 💾 Core
+
+  - #### 🔧 Refactor
+
+    - tools.func: Manage minor versions for MongoDB 8.x [@tremor021](https://github.com/tremor021) ([#14131](https://github.com/community-scripts/ProxmoxVE/pull/14131))
+
 ## 2026-04-29
 
 ### 🚀 Updated Scripts

ct/headers/neko

@@ -0,0 +1,6 @@
+    _   __     __       
+   / | / /__  / /______ 
+  /  |/ / _ \/ //_/ __ \
+ / /|  /  __/ ,< / /_/ /
+/_/ |_/\___/_/|_|\____/ 
+                        

ct/neko.sh

@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: CanbiZ (MickLesk)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://neko.m1k1o.net/
+
+APP="Neko"
+var_tags="${var_tags:-virtual-browser;webrtc;streaming}"
+var_cpu="${var_cpu:-4}"
+var_ram="${var_ram:-4096}"
+var_disk="${var_disk:-12}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-12}"
+var_unprivileged="${var_unprivileged:-1}"
+var_gpu="${var_gpu:-yes}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+  header_info
+  check_container_storage
+  check_container_resources
+
+  if [[ ! -d /opt/neko ]]; then
+    msg_error "No ${APP} Installation Found!"
+    exit
+  fi
+
+  if check_for_gh_release "neko" "m1k1o/neko"; then
+    msg_info "Stopping Service"
+    systemctl stop neko
+    msg_ok "Stopped Service"
+
+    msg_info "Backing up Data"
+    cp /etc/neko/neko.yaml /opt/neko.yaml.bak
+    msg_ok "Backed up Data"
+
+    CLEAN_INSTALL=1 fetch_and_deploy_gh_release "neko" "m1k1o/neko" "tarball"
+
+    msg_info "Building Client"
+    cd /opt/neko/client
+    $STD npm install
+    $STD npm run build
+    cp -r /opt/neko/client/dist/* /var/www/
+    msg_ok "Built Client"
+
+    msg_info "Building Server"
+    cd /opt/neko/server
+    $STD ./build
+    cp /opt/neko/server/bin/neko /usr/bin/neko
+    cp -r /opt/neko/server/bin/plugins/* /etc/neko/plugins/ 2>/dev/null || true
+    msg_ok "Built Server"
+
+    msg_info "Restoring Data"
+    cp /opt/neko.yaml.bak /etc/neko/neko.yaml
+    rm -f /opt/neko.yaml.bak
+    msg_ok "Restored Data"
+
+    msg_info "Starting Service"
+    systemctl start neko
+    msg_ok "Started Service"
+    msg_ok "Updated successfully!"
+  fi
+  exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:8080${CL}"

install/neko-install.sh

@@ -0,0 +1,255 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: CanbiZ (MickLesk)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://neko.m1k1o.net/
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt install -y \
+  supervisor \
+  pulseaudio \
+  dbus-x11 \
+  xserver-xorg-video-dummy \
+  xdotool \
+  xclip \
+  libgtk-3-0 \
+  gstreamer1.0-plugins-base \
+  gstreamer1.0-plugins-good \
+  gstreamer1.0-plugins-bad \
+  gstreamer1.0-plugins-ugly \
+  gstreamer1.0-pulseaudio \
+  openbox \
+  firefox-esr \
+  fonts-noto-color-emoji \
+  fonts-wqy-zenhei
+msg_ok "Installed Dependencies"
+systemctl disable -q --now supervisor
+
+msg_info "Installing Build Dependencies"
+$STD apt install -y \
+  build-essential \
+  pkg-config \
+  libx11-dev \
+  libxrandr-dev \
+  libxtst-dev \
+  libgtk-3-dev \
+  libxcvt-dev \
+  libgstreamer1.0-dev \
+  libgstreamer-plugins-base1.0-dev
+msg_ok "Installed Build Dependencies"
+
+NODE_VERSION="22" setup_nodejs
+setup_go
+
+fetch_and_deploy_gh_release "neko" "m1k1o/neko" "tarball"
+
+msg_info "Building Client"
+cd /opt/neko/client
+$STD npm install
+$STD npm run build
+mkdir -p /var/www
+cp -r /opt/neko/client/dist/* /var/www/
+msg_ok "Built Client"
+
+msg_info "Building Server"
+cd /opt/neko/server
+$STD ./build
+cp /opt/neko/server/bin/neko /usr/bin/neko
+mkdir -p /etc/neko/plugins
+cp -r /opt/neko/server/bin/plugins/* /etc/neko/plugins/ 2>/dev/null || true
+msg_ok "Built Server"
+
+msg_info "Setting up Runtime"
+useradd -m -s /bin/bash neko
+usermod -aG audio,video neko
+
+mkdir -p /etc/neko/supervisord /var/www /var/log/neko /tmp/.X11-unix /tmp/runtime-neko /home/neko/.config/pulse /home/neko/.local/share/xorg
+chmod 1777 /tmp/.X11-unix
+chmod 1777 /var/log/neko
+chmod 0700 /tmp/runtime-neko
+chown neko /tmp/.X11-unix /var/log/neko /tmp/runtime-neko
+chown -R neko:neko /home/neko
+
+cp /opt/neko/runtime/xorg.conf /etc/neko/xorg.conf
+# Remove the dummy_touchscreen InputDevice section (requires custom "neko" Xorg driver not available bare-metal)
+sed -i '/Section "InputDevice"/{N;/dummy_touchscreen/{:l;N;/EndSection/!bl;d}}' /etc/neko/xorg.conf
+sed -i '/dummy_touchscreen/d' /etc/neko/xorg.conf
+sed -i 's/InputDevice  "dummy_mouse"/InputDevice  "dummy_mouse" "CorePointer"/' /etc/neko/xorg.conf
+cp /opt/neko/runtime/default.pa /etc/pulse/default.pa
+
+cat <<EOF >/etc/neko/supervisord.conf
+[supervisord]
+nodaemon=true
+user=root
+pidfile=/var/run/supervisord.pid
+logfile=/dev/null
+logfile_maxbytes=0
+loglevel=debug
+
+[include]
+files=/etc/neko/supervisord/*.conf
+
+[program:x-server]
+environment=HOME="/home/neko",USER="neko"
+command=/usr/bin/X :99.0 -config /etc/neko/xorg.conf -noreset -nolisten tcp
+autorestart=true
+priority=300
+user=neko
+stdout_logfile=/var/log/neko/xorg.log
+stdout_logfile_maxbytes=100MB
+stdout_logfile_backups=10
+redirect_stderr=true
+
+[program:pulseaudio]
+environment=HOME="/home/neko",USER="neko",DISPLAY=":99.0"
+command=/usr/bin/pulseaudio --log-level=error --disallow-module-loading --disallow-exit --exit-idle-time=-1
+autorestart=true
+priority=300
+user=neko
+stdout_logfile=/var/log/neko/pulseaudio.log
+stdout_logfile_maxbytes=100MB
+stdout_logfile_backups=10
+redirect_stderr=true
+
+[program:neko]
+environment=HOME="/home/neko",USER="neko",DISPLAY=":99.0"
+command=/usr/bin/neko serve --server.static "/var/www"
+stopsignal=INT
+stopwaitsecs=3
+autorestart=true
+priority=800
+user=neko
+stdout_logfile=/var/log/neko/neko.log
+stdout_logfile_maxbytes=100MB
+stdout_logfile_backups=10
+redirect_stderr=true
+
+[unix_http_server]
+file=/var/run/supervisor.sock
+chmod=0770
+chown=root:neko
+
+[supervisorctl]
+serverurl=unix:///var/run/supervisor.sock
+
+[rpcinterface:supervisor]
+supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
+EOF
+
+cat <<EOF >/etc/neko/supervisord/firefox.conf
+[program:firefox]
+environment=HOME="/home/neko",USER="neko",DISPLAY=":99.0"
+command=/usr/bin/firefox-esr --no-remote --display=:99.0 -width 1280 -height 720
+stopsignal=INT
+autorestart=true
+priority=800
+user=neko
+stdout_logfile=/var/log/neko/firefox.log
+stdout_logfile_maxbytes=100MB
+stdout_logfile_backups=10
+redirect_stderr=true
+
+[program:openbox]
+environment=HOME="/home/neko",USER="neko",DISPLAY=":99.0"
+command=/usr/bin/openbox --config-file /etc/neko/openbox.xml
+autorestart=true
+priority=300
+user=neko
+stdout_logfile=/var/log/neko/openbox.log
+stdout_logfile_maxbytes=100MB
+stdout_logfile_backups=10
+redirect_stderr=true
+EOF
+
+cat <<'EOF' >/etc/neko/openbox.xml
+<?xml version="1.0" encoding="UTF-8"?>
+<openbox_config xmlns="http://openbox.org/3.4/rc" xmlns:xi="http://www.w3.org/2001/XInclude">
+<applications>
+    <application class="firefox" name="Navigator" role="browser">
+      <decor>no</decor>
+      <maximized>true</maximized>
+      <focus>yes</focus>
+      <layer>normal</layer>
+    </application>
+</applications>
+<focus>
+  <focusNew>yes</focusNew>
+  <followMouse>no</followMouse>
+  <focusLast>yes</focusLast>
+  <underMouse>no</underMouse>
+  <focusDelay>200</focusDelay>
+  <raiseOnFocus>no</raiseOnFocus>
+</focus>
+<placement>
+  <policy>Smart</policy>
+  <center>yes</center>
+</placement>
+<desktops>
+  <number>1</number>
+  <firstdesk>1</firstdesk>
+  <popupTime>0</popupTime>
+</desktops>
+</openbox_config>
+EOF
+
+cat <<EOF >/etc/neko/neko.yaml
+server:
+  bind: "0.0.0.0:8080"
+  static: "/var/www"
+session:
+  cookie:
+    enabled: false
+webrtc:
+  icelite: true
+  nat1to1:
+    - "${LOCAL_IP}"
+  epr: "59000-59100"
+desktop:
+  input:
+    enabled: false
+member:
+  provider: "multiuser"
+  multiuser:
+    admin_password: "admin"
+    user_password: "neko"
+EOF
+msg_ok "Set up Runtime"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/neko.service
+[Unit]
+Description=Neko Virtual Browser
+After=network.target
+
+[Service]
+Type=simple
+User=root
+Environment=USER=neko
+Environment=DISPLAY=:99.0
+Environment=PULSE_SERVER=unix:/tmp/pulseaudio.socket
+Environment=XDG_RUNTIME_DIR=/tmp/runtime-neko
+Environment=NEKO_PLUGINS_ENABLED=true
+Environment=NEKO_PLUGINS_DIR=/etc/neko/plugins/
+Environment=NEKO_CONFIG=/etc/neko/neko.yaml
+ExecStart=/usr/bin/supervisord -c /etc/neko/supervisord.conf -n
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now neko
+msg_ok "Created Service"
+
+motd_ssh
+customize
+cleanup_lxc

misc/tools.func

@@ -5964,14 +5964,14 @@ function setup_mariadb_db() {
 }
 
 # ------------------------------------------------------------------------------
-# Installs or updates MongoDB to specified major version.
+# Installs or updates MongoDB to specified version.
 #
 # Description:
 #   - Preserves data across installations
 #   - Adds official MongoDB repo
 #
 # Variables:
-#   MONGO_VERSION  - MongoDB major version to install (e.g. 7.0, 8.0)
+#   MONGO_VERSION  - MongoDB version to install (e.g. 7.0, 8.2)
 # ------------------------------------------------------------------------------
 
 function setup_mongodb() {
@@ -6044,8 +6044,11 @@ function setup_mongodb() {
   }
 
   # Setup repository
+  # MongoDB 8.x versions beyond 8.0 reuse the server-8.0.asc PGP key
+  local MONGO_KEY_VERSION="${MONGO_VERSION}"
+  [[ "${MONGO_VERSION}" == 8.[1-9]* ]] && MONGO_KEY_VERSION="8.0"
   manage_tool_repository "mongodb" "$MONGO_VERSION" "$MONGO_BASE_URL" \
-    "https://www.mongodb.org/static/pgp/server-${MONGO_VERSION}.asc" || {
+    "https://www.mongodb.org/static/pgp/server-${MONGO_KEY_VERSION}.asc" || {
     msg_error "Failed to setup MongoDB repository"
     return 100
   }
@@ -8662,3 +8665,654 @@ EOF
   $STD apt update
   return 0
 }
+
+# ------------------------------------------------------------------------------
+# Get latest GitLab release version.
+# Usage: get_latest_gitlab_release "owner/repo" [strip_v]
+# ------------------------------------------------------------------------------
+get_latest_gitlab_release() {
+  local repo="$1"
+  local strip_v="${2:-true}"
+
+  local repo_encoded
+  repo_encoded=$(printf '%s' "$repo" | sed 's|/|%2F|g')
+
+  local header=()
+  [[ -n "${GITLAB_TOKEN:-}" ]] && header=(-H "PRIVATE-TOKEN: $GITLAB_TOKEN")
+
+  local temp_file
+  temp_file=$(mktemp)
+
+  local http_code
+  http_code=$(curl --connect-timeout 10 --max-time 30 -sSL \
+    -w "%{http_code}" -o "$temp_file" \
+    "${header[@]}" \
+    "https://gitlab.com/api/v4/projects/$repo_encoded/releases?per_page=1&order_by=released_at&sort=desc" 2>/dev/null) || true
+
+  if [[ "$http_code" != "200" ]]; then
+    rm -f "$temp_file"
+    msg_warn "GitLab API call failed for ${repo} (HTTP ${http_code})"
+    return 22
+  fi
+
+  local version
+  version=$(jq -r '.[0].tag_name // empty' "$temp_file")
+  rm -f "$temp_file"
+
+  if [[ -z "$version" ]]; then
+    msg_error "Could not determine latest version for ${repo}"
+    return 250
+  fi
+
+  if [[ "$strip_v" == "true" ]]; then
+    [[ "$version" =~ ^v[0-9] ]] && version="${version:1}"
+  fi
+
+  echo "$version"
+}
+
+# ------------------------------------------------------------------------------
+# Checks for new GitLab release (latest tag).
+#
+# Description:
+#   - Queries the GitLab API for the latest release tag
+#   - Compares it to a local cached version (~/.<app>)
+#   - If newer, sets global CHECK_UPDATE_RELEASE and returns 0
+#
+# Usage:
+#     if check_for_gl_release "myapp" "owner/repo" [optional] "v1.2.3"; then
+#       # trigger update...
+#     fi
+#     exit 0
+#     } (end of update_script not from the function)
+#
+# Notes:
+#   - Requires `jq` (auto-installed if missing)
+#   - Supports GITLAB_TOKEN env var for private/rate-limited repos
+#   - Does not modify anything, only checks version state
+# ------------------------------------------------------------------------------
+check_for_gl_release() {
+  local app="$1"
+  local source="$2"
+  local pinned_version_in="${3:-}" # optional
+  local pin_reason="${4:-}"        # optional reason shown to user
+  local app_lc="${app,,}"
+  local current_file="$HOME/.${app_lc}"
+
+  msg_info "Checking for update: ${app}"
+
+  # DNS check
+  if ! getent hosts gitlab.com >/dev/null 2>&1; then
+    msg_error "Network error: cannot resolve gitlab.com"
+    return 6
+  fi
+
+  ensure_dependencies jq
+
+  local repo_encoded
+  repo_encoded=$(python3 -c "import urllib.parse, sys; print(urllib.parse.quote(sys.argv[1], safe=''))" "$source" 2>/dev/null ||
+    echo "$source" | sed 's|/|%2F|g')
+
+  local header=()
+  [[ -n "${GITLAB_TOKEN:-}" ]] && header=(-H "PRIVATE-TOKEN: $GITLAB_TOKEN")
+
+  local releases_json="" http_code=""
+
+  # For pinned versions, try to fetch the specific release tag first
+  if [[ -n "$pinned_version_in" ]]; then
+    local pinned_encoded="${pinned_version_in//\//%2F}"
+    http_code=$(curl -sSL --max-time 20 -w "%{http_code}" -o /tmp/gl_check.json \
+      "${header[@]}" \
+      "https://gitlab.com/api/v4/projects/$repo_encoded/releases/$pinned_encoded" 2>/dev/null) || true
+    if [[ "$http_code" == "200" ]] && [[ -s /tmp/gl_check.json ]]; then
+      releases_json="[$(</tmp/gl_check.json)]"
+    fi
+    rm -f /tmp/gl_check.json
+  fi
+
+  # Fetch full releases list if needed
+  if [[ -z "$releases_json" ]]; then
+    http_code=$(curl -sSL --max-time 20 -w "%{http_code}" -o /tmp/gl_check.json \
+      "${header[@]}" \
+      "https://gitlab.com/api/v4/projects/$repo_encoded/releases?per_page=100&order_by=released_at&sort=desc" 2>/dev/null) || true
+
+    if [[ "$http_code" == "200" ]] && [[ -s /tmp/gl_check.json ]]; then
+      releases_json=$(</tmp/gl_check.json)
+    elif [[ "$http_code" == "401" ]]; then
+      msg_error "GitLab API authentication failed (HTTP 401)."
+      if [[ -n "${GITLAB_TOKEN:-}" ]]; then
+        msg_error "Your GITLAB_TOKEN appears to be invalid or expired."
+      else
+        msg_error "The repository may require authentication. Try: export GITLAB_TOKEN=\"glpat-your_token\""
+      fi
+      rm -f /tmp/gl_check.json
+      return 22
+    elif [[ "$http_code" == "404" ]]; then
+      msg_error "GitLab project not found (HTTP 404). Ensure '${source}' is correct and publicly accessible."
+      rm -f /tmp/gl_check.json
+      return 22
+    elif [[ "$http_code" == "429" ]]; then
+      msg_error "GitLab API rate limit exceeded (HTTP 429)."
+      msg_error "To increase the limit, export a GitLab token: export GITLAB_TOKEN=\"glpat-your_token_here\""
+      rm -f /tmp/gl_check.json
+      return 22
+    elif [[ "$http_code" == "000" || -z "$http_code" ]]; then
+      msg_error "GitLab API connection failed (no response)."
+      msg_error "Check your network/DNS: curl -sSL https://gitlab.com/api/v4/version"
+      rm -f /tmp/gl_check.json
+      return 7
+    else
+      msg_error "Unable to fetch releases for ${app} (HTTP ${http_code})"
+      rm -f /tmp/gl_check.json
+      return 22
+    fi
+    rm -f /tmp/gl_check.json
+  fi
+
+  mapfile -t raw_tags < <(jq -r '.[] | .tag_name' <<<"$releases_json")
+  if ((${#raw_tags[@]} == 0)); then
+    msg_error "No releases found for ${app} on GitLab"
+    return 250
+  fi
+
+  local clean_tags=()
+  for t in "${raw_tags[@]}"; do
+    # Only strip leading 'v' when followed by a digit (e.g. v1.2.3)
+    if [[ "$t" =~ ^v[0-9] ]]; then
+      clean_tags+=("${t:1}")
+    else
+      clean_tags+=("$t")
+    fi
+  done
+
+  local latest_raw="${raw_tags[0]}"
+  local latest_clean="${clean_tags[0]}"
+
+  # current installed (stored without v)
+  local current=""
+  if [[ -f "$current_file" ]]; then
+    current="$(<"$current_file")"
+  else
+    # Migration: search for any /opt/*_version.txt
+    local legacy_files
+    mapfile -t legacy_files < <(find /opt -maxdepth 1 -type f -name "*_version.txt" 2>/dev/null)
+    if ((${#legacy_files[@]} == 1)); then
+      current="$(<"${legacy_files[0]}")"
+      echo "${current#v}" >"$current_file"
+      rm -f "${legacy_files[0]}"
+    fi
+  fi
+  if [[ "$current" =~ ^v[0-9] ]]; then
+    current="${current:1}"
+  fi
+
+  # Pinned version handling
+  if [[ -n "$pinned_version_in" ]]; then
+    local pin_clean
+    if [[ "$pinned_version_in" =~ ^v[0-9] ]]; then
+      pin_clean="${pinned_version_in:1}"
+    else
+      pin_clean="$pinned_version_in"
+    fi
+    local match_raw=""
+    for i in "${!clean_tags[@]}"; do
+      if [[ "${clean_tags[$i]}" == "$pin_clean" ]]; then
+        match_raw="${raw_tags[$i]}"
+        break
+      fi
+    done
+
+    if [[ -z "$match_raw" ]]; then
+      msg_error "Pinned version ${pinned_version_in} not found upstream"
+      return 250
+    fi
+
+    if [[ "$current" != "$pin_clean" ]]; then
+      CHECK_UPDATE_RELEASE="$match_raw"
+      msg_ok "Update available: ${app} ${current:-not installed} → ${pin_clean}"
+      return 0
+    fi
+
+    if [[ -n "$pin_reason" ]]; then
+      msg_ok "No update available: ${app} (${current}) - update held back: ${pin_reason}"
+    else
+      msg_ok "No update available: ${app} (${current}) - update temporarily held back due to issues with newer releases"
+    fi
+    return 1
+  fi
+
+  # No pinning → use latest
+  if [[ -z "$current" || "$current" != "$latest_clean" ]]; then
+    CHECK_UPDATE_RELEASE="$latest_raw"
+    msg_ok "Update available: ${app} ${current:-not installed} → ${latest_clean}"
+    return 0
+  fi
+
+  msg_ok "No update available: ${app} (${latest_clean})"
+  return 1
+}
+
+function fetch_and_deploy_gl_release() {
+  local app="$1"
+  local repo="$2"
+  local mode="${3:-tarball}"
+  local version="${var_appversion:-${4:-latest}}"
+  local target="${5:-/opt/$app}"
+  local asset_pattern="${6:-}"
+
+  if [[ -z "$app" ]]; then
+    app="${repo##*/}"
+    if [[ -z "$app" ]]; then
+      msg_error "fetch_and_deploy_gl_release requires app name or valid repo"
+      return 1
+    fi
+  fi
+
+  local app_lc=$(echo "${app,,}" | tr -d ' ')
+  local version_file="$HOME/.${app_lc}"
+
+  local api_timeout="--connect-timeout 10 --max-time 60"
+  local download_timeout="--connect-timeout 15 --max-time 900"
+
+  local current_version=""
+  [[ -f "$version_file" ]] && current_version=$(<"$version_file")
+
+  ensure_dependencies jq
+
+  local repo_encoded
+  repo_encoded=$(python3 -c "import urllib.parse, sys; print(urllib.parse.quote(sys.argv[1], safe=''))" "$repo" 2>/dev/null ||
+    echo "$repo" | sed 's|/|%2F|g')
+
+  local api_base="https://gitlab.com/api/v4/projects/$repo_encoded/releases"
+  local api_url
+  if [[ "$version" != "latest" ]]; then
+    api_url="$api_base/$version"
+  else
+    api_url="$api_base?per_page=1&order_by=released_at&sort=desc"
+  fi
+
+  local header=()
+  [[ -n "${GITLAB_TOKEN:-}" ]] && header=(-H "PRIVATE-TOKEN: $GITLAB_TOKEN")
+
+  local max_retries=3 retry_delay=2 attempt=1 success=false http_code
+
+  while ((attempt <= max_retries)); do
+    http_code=$(curl $api_timeout -sSL -w "%{http_code}" -o /tmp/gl_rel.json "${header[@]}" "$api_url" 2>/dev/null) || true
+    if [[ "$http_code" == "200" ]]; then
+      success=true
+      break
+    elif [[ "$http_code" == "429" ]]; then
+      if ((attempt < max_retries)); then
+        msg_warn "GitLab API rate limit hit, retrying in ${retry_delay}s... (attempt $attempt/$max_retries)"
+        sleep "$retry_delay"
+        retry_delay=$((retry_delay * 2))
+      fi
+    else
+      sleep "$retry_delay"
+    fi
+    ((attempt++))
+  done
+
+  if ! $success; then
+    if [[ "$http_code" == "401" ]]; then
+      msg_error "GitLab API authentication failed (HTTP 401)."
+      if [[ -n "${GITLAB_TOKEN:-}" ]]; then
+        msg_error "Your GITLAB_TOKEN appears to be invalid or expired."
+      else
+        msg_error "The repository may require authentication. Try: export GITLAB_TOKEN=\"glpat-your_token\""
+      fi
+    elif [[ "$http_code" == "404" ]]; then
+      msg_error "GitLab project or release not found (HTTP 404)."
+      msg_error "Ensure '$repo' is correct and the project is accessible."
+    elif [[ "$http_code" == "429" ]]; then
+      msg_error "GitLab API rate limit exceeded (HTTP 429)."
+      msg_error "To increase the limit, export a GitLab token before running the script:"
+      msg_error "  export GITLAB_TOKEN=\"glpat-your_token_here\""
+    elif [[ "$http_code" == "000" || -z "$http_code" ]]; then
+      msg_error "GitLab API connection failed (no response)."
+      msg_error "Check your network/DNS: curl -sSL https://gitlab.com/api/v4/version"
+    else
+      msg_error "Failed to fetch release metadata (HTTP $http_code)"
+    fi
+    return 1
+  fi
+
+  local json tag_name
+  json=$(</tmp/gl_rel.json)
+
+  if [[ "$version" == "latest" ]]; then
+    json=$(echo "$json" | jq '.[0] // empty')
+    if [[ -z "$json" || "$json" == "null" ]]; then
+      msg_error "No releases found for $repo on GitLab"
+      return 1
+    fi
+  fi
+
+  tag_name=$(echo "$json" | jq -r '.tag_name // empty')
+  if [[ -z "$tag_name" ]]; then
+    msg_error "Could not determine tag name from release metadata"
+    return 1
+  fi
+  [[ "$tag_name" =~ ^v[0-9] ]] && version="${tag_name:1}" || version="$tag_name"
+  local version_safe="${version//\//-}"
+
+  if [[ "$current_version" == "$version" ]]; then
+    $STD msg_ok "$app is already up-to-date (v$version)"
+    return 0
+  fi
+
+  local tmpdir
+  tmpdir=$(mktemp -d) || return 1
+  local filename=""
+
+  msg_info "Fetching GitLab release: $app ($version)"
+
+  _gl_asset_urls() {
+    local release_json="$1"
+    echo "$release_json" | jq -r '
+      (.assets.links // [])[] | .direct_asset_url // .url
+    '
+  }
+
+  ### Tarball Mode ###
+  if [[ "$mode" == "tarball" || "$mode" == "source" ]]; then
+    local direct_tarball_url="https://gitlab.com/$repo/-/archive/$tag_name/${app_lc}-${version_safe}.tar.gz"
+    filename="${app_lc}-${version_safe}.tar.gz"
+
+    curl $download_timeout -fsSL "${header[@]}" -o "$tmpdir/$filename" "$direct_tarball_url" || {
+      msg_error "Download failed: $direct_tarball_url"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    mkdir -p "$target"
+    if [[ "${CLEAN_INSTALL:-0}" == "1" ]]; then
+      rm -rf "${target:?}/"*
+    fi
+
+    tar --no-same-owner -xzf "$tmpdir/$filename" -C "$tmpdir" || {
+      msg_error "Failed to extract tarball"
+      rm -rf "$tmpdir"
+      return 1
+    }
+    local unpack_dir
+    unpack_dir=$(find "$tmpdir" -mindepth 1 -maxdepth 1 -type d | head -n1)
+
+    shopt -s dotglob nullglob
+    cp -r "$unpack_dir"/* "$target/"
+    shopt -u dotglob nullglob
+
+  ### Binary Mode ###
+  elif [[ "$mode" == "binary" ]]; then
+    local arch
+    arch=$(dpkg --print-architecture 2>/dev/null || uname -m)
+    [[ "$arch" == "x86_64" ]] && arch="amd64"
+    [[ "$arch" == "aarch64" ]] && arch="arm64"
+
+    local assets url_match=""
+    assets=$(_gl_asset_urls "$json")
+
+    if [[ -n "$asset_pattern" ]]; then
+      for u in $assets; do
+        case "${u##*/}" in
+        $asset_pattern)
+          url_match="$u"
+          break
+          ;;
+        esac
+      done
+    fi
+
+    if [[ -z "$url_match" ]]; then
+      for u in $assets; do
+        if [[ "$u" =~ ($arch|amd64|x86_64|aarch64|arm64).*\.deb$ ]]; then
+          url_match="$u"
+          break
+        fi
+      done
+    fi
+
+    if [[ -z "$url_match" ]]; then
+      for u in $assets; do
+        [[ "$u" =~ \.deb$ ]] && url_match="$u" && break
+      done
+    fi
+
+    if [[ -z "$url_match" ]]; then
+      local fallback_json
+      if fallback_json=$(_gl_scan_older_releases "$repo" "$repo_encoded" "https://gitlab.com" "binary" "$asset_pattern" "$tag_name"); then
+        json="$fallback_json"
+        tag_name=$(echo "$json" | jq -r '.tag_name // empty')
+        [[ "$tag_name" =~ ^v[0-9] ]] && version="${tag_name:1}" || version="$tag_name"
+        msg_info "Fetching GitLab release: $app ($version)"
+        assets=$(_gl_asset_urls "$json")
+        if [[ -n "$asset_pattern" ]]; then
+          for u in $assets; do
+            case "${u##*/}" in $asset_pattern)
+              url_match="$u"
+              break
+              ;;
+            esac
+          done
+        fi
+        if [[ -z "$url_match" ]]; then
+          for u in $assets; do
+            [[ "$u" =~ ($arch|amd64|x86_64|aarch64|arm64).*\.deb$ ]] && url_match="$u" && break
+          done
+        fi
+        if [[ -z "$url_match" ]]; then
+          for u in $assets; do
+            [[ "$u" =~ \.deb$ ]] && url_match="$u" && break
+          done
+        fi
+      fi
+    fi
+
+    if [[ -z "$url_match" ]]; then
+      msg_error "No suitable .deb asset found for $app"
+      rm -rf "$tmpdir"
+      return 1
+    fi
+
+    filename="${url_match##*/}"
+    curl $download_timeout -fsSL "${header[@]}" -o "$tmpdir/$filename" "$url_match" || {
+      msg_error "Download failed: $url_match"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    chmod 644 "$tmpdir/$filename"
+    local dpkg_opts=""
+    [[ "${DPKG_FORCE_CONFOLD:-}" == "1" ]] && dpkg_opts="-o Dpkg::Options::=--force-confold"
+    [[ "${DPKG_FORCE_CONFNEW:-}" == "1" ]] && dpkg_opts="-o Dpkg::Options::=--force-confnew"
+    DEBIAN_FRONTEND=noninteractive SYSTEMD_OFFLINE=1 $STD apt install -y $dpkg_opts "$tmpdir/$filename" || {
+      SYSTEMD_OFFLINE=1 $STD dpkg -i "$tmpdir/$filename" || {
+        msg_error "Both apt and dpkg installation failed"
+        rm -rf "$tmpdir"
+        return 1
+      }
+    }
+
+  ### Prebuild Mode ###
+  elif [[ "$mode" == "prebuild" ]]; then
+    local pattern="${6%\"}"
+    pattern="${pattern#\"}"
+    [[ -z "$pattern" ]] && {
+      msg_error "Mode 'prebuild' requires 6th parameter (asset filename pattern)"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    local asset_url=""
+    for u in $(_gl_asset_urls "$json"); do
+      filename_candidate="${u##*/}"
+      case "$filename_candidate" in
+      $pattern)
+        asset_url="$u"
+        break
+        ;;
+      esac
+    done
+
+    if [[ -z "$asset_url" ]]; then
+      local fallback_json
+      if fallback_json=$(_gl_scan_older_releases "$repo" "$repo_encoded" "https://gitlab.com" "prebuild" "$pattern" "$tag_name"); then
+        json="$fallback_json"
+        tag_name=$(echo "$json" | jq -r '.tag_name // empty')
+        [[ "$tag_name" =~ ^v[0-9] ]] && version="${tag_name:1}" || version="$tag_name"
+        msg_info "Fetching GitLab release: $app ($version)"
+        for u in $(_gl_asset_urls "$json"); do
+          filename_candidate="${u##*/}"
+          case "$filename_candidate" in $pattern)
+            asset_url="$u"
+            break
+            ;;
+          esac
+        done
+      fi
+    fi
+
+    [[ -z "$asset_url" ]] && {
+      msg_error "No asset matching '$pattern' found"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    filename="${asset_url##*/}"
+    curl $download_timeout -fsSL "${header[@]}" -o "$tmpdir/$filename" "$asset_url" || {
+      msg_error "Download failed: $asset_url"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    local unpack_tmp
+    unpack_tmp=$(mktemp -d)
+    mkdir -p "$target"
+    if [[ "${CLEAN_INSTALL:-0}" == "1" ]]; then
+      rm -rf "${target:?}/"*
+    fi
+
+    if [[ "$filename" == *.zip ]]; then
+      ensure_dependencies unzip
+      unzip -q "$tmpdir/$filename" -d "$unpack_tmp" || {
+        msg_error "Failed to extract ZIP archive"
+        rm -rf "$tmpdir" "$unpack_tmp"
+        return 1
+      }
+    elif [[ "$filename" == *.tar.* || "$filename" == *.tgz || "$filename" == *.txz ]]; then
+      tar --no-same-owner -xf "$tmpdir/$filename" -C "$unpack_tmp" || {
+        msg_error "Failed to extract TAR archive"
+        rm -rf "$tmpdir" "$unpack_tmp"
+        return 1
+      }
+    else
+      msg_error "Unsupported archive format: $filename"
+      rm -rf "$tmpdir" "$unpack_tmp"
+      return 1
+    fi
+
+    local top_entries inner_dir
+    top_entries=$(find "$unpack_tmp" -mindepth 1 -maxdepth 1)
+    if [[ "$(echo "$top_entries" | wc -l)" -eq 1 && -d "$top_entries" ]]; then
+      inner_dir="$top_entries"
+      shopt -s dotglob nullglob
+      if compgen -G "$inner_dir/*" >/dev/null; then
+        cp -r "$inner_dir"/* "$target/" || {
+          msg_error "Failed to copy contents from $inner_dir to $target"
+          rm -rf "$tmpdir" "$unpack_tmp"
+          return 1
+        }
+      else
+        msg_error "Inner directory is empty: $inner_dir"
+        rm -rf "$tmpdir" "$unpack_tmp"
+        return 1
+      fi
+      shopt -u dotglob nullglob
+    else
+      shopt -s dotglob nullglob
+      if compgen -G "$unpack_tmp/*" >/dev/null; then
+        cp -r "$unpack_tmp"/* "$target/" || {
+          msg_error "Failed to copy contents to $target"
+          rm -rf "$tmpdir" "$unpack_tmp"
+          return 1
+        }
+      else
+        msg_error "Unpacked archive is empty"
+        rm -rf "$tmpdir" "$unpack_tmp"
+        return 1
+      fi
+      shopt -u dotglob nullglob
+    fi
+
+  ### Singlefile Mode ###
+  elif [[ "$mode" == "singlefile" ]]; then
+    local pattern="${6%\"}"
+    pattern="${pattern#\"}"
+    [[ -z "$pattern" ]] && {
+      msg_error "Mode 'singlefile' requires 6th parameter (asset filename pattern)"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    local asset_url=""
+    for u in $(_gl_asset_urls "$json"); do
+      filename_candidate="${u##*/}"
+      case "$filename_candidate" in
+      $pattern)
+        asset_url="$u"
+        break
+        ;;
+      esac
+    done
+
+    if [[ -z "$asset_url" ]]; then
+      local fallback_json
+      if fallback_json=$(_gl_scan_older_releases "$repo" "$repo_encoded" "https://gitlab.com" "singlefile" "$pattern" "$tag_name"); then
+        json="$fallback_json"
+        tag_name=$(echo "$json" | jq -r '.tag_name // empty')
+        [[ "$tag_name" =~ ^v[0-9] ]] && version="${tag_name:1}" || version="$tag_name"
+        msg_info "Fetching GitLab release: $app ($version)"
+        for u in $(_gl_asset_urls "$json"); do
+          filename_candidate="${u##*/}"
+          case "$filename_candidate" in $pattern)
+            asset_url="$u"
+            break
+            ;;
+          esac
+        done
+      fi
+    fi
+
+    [[ -z "$asset_url" ]] && {
+      msg_error "No asset matching '$pattern' found"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    filename="${asset_url##*/}"
+    mkdir -p "$target"
+
+    local use_filename="${USE_ORIGINAL_FILENAME:-false}"
+    local target_file="$app"
+    [[ "$use_filename" == "true" ]] && target_file="$filename"
+
+    curl $download_timeout -fsSL "${header[@]}" -o "$target/$target_file" "$asset_url" || {
+      msg_error "Download failed: $asset_url"
+      rm -rf "$tmpdir"
+      return 1
+    }
+
+    if [[ "$target_file" != *.jar && -f "$target/$target_file" ]]; then
+      chmod +x "$target/$target_file"
+    fi
+
+  else
+    msg_error "Unknown mode: $mode"
+    rm -rf "$tmpdir"
+    return 1
+  fi
+
+  echo "$version" >"$version_file"
+  msg_ok "Deployed: $app ($version)"
+  rm -rf "$tmpdir"
+}