feat: startup and update script optimization

1. 修复Shellcheck指出的问题，增强脚本稳定性。
2. 对于更新部分：采取先更新主程序和前端，插件和资源包再更新的原则；主要解决如果插件或资源包没有下载成功，主程序就无法更新成功的问题，但是其实资源包和插件是不影响主程序更新的。

Co-Authored-By: DDSDerek <108336573+DDSDerek@users.noreply.github.com>
Co-Authored-By: Summer⛱ <57806936+honue@users.noreply.github.com>

entrypoint

@@ -1,17 +1,19 @@
 #!/bin/bash
+# shellcheck shell=bash
+# shellcheck disable=SC2016
 
 # 使用 `envsubst` 将模板文件中的 ${NGINX_PORT} 替换为实际的环境变量值
 envsubst '${NGINX_PORT}${PORT}' < /etc/nginx/nginx.template.conf > /etc/nginx/nginx.conf
 # 自动更新
 cd /
 /usr/local/bin/mp_update
-cd /app
+cd /app || exit
 # 更改 moviepilot userid 和 groupid
-groupmod -o -g ${PGID} moviepilot
+groupmod -o -g "${PGID}" moviepilot
-usermod -o -u ${PUID} moviepilot
+usermod -o -u "${PUID}" moviepilot
 # 更改文件权限
 chown -R moviepilot:moviepilot \
-    ${HOME} \
+    "${HOME}" \
     /app \
     /public \
     /config \
@@ -27,6 +29,6 @@ if [ -S "/var/run/docker.sock" ]; then
     haproxy -f /app/haproxy.cfg
 fi
 # 设置后端服务权限掩码
-umask ${UMASK}
+umask "${UMASK}"
 # 启动后端服务
 exec dumb-init gosu moviepilot:moviepilot python3 app/main.py

update

@@ -1,15 +1,13 @@
 #!/bin/bash
+# shellcheck shell=bash
 
 # 下载及解压
 download_and_unzip() {
     url="$1"
     target_dir="$2"
     echo "正在下载 ${url}..."
-    curl ${CURL_OPTIONS} "$url" ${CURL_HEADERS} | busybox unzip -d /tmp -
+    if curl "${CURL_OPTIONS}" "${url}" "${CURL_HEADERS}" | busybox unzip -d /tmp -; then
-    if [ $? -eq 0 ]; then
+        mv /tmp/MoviePilot-* /tmp/"${target_dir}"
-        if [ -e /tmp/MoviePilot-* ]; then
-            mv /tmp/MoviePilot-* /tmp/${target_dir}
-        fi
     else
         return 1
     fi
@@ -17,60 +15,63 @@ download_and_unzip() {
 
 # 下载程序资源，$1: 后端版本路径
 install_backend_and_download_resources() {
-    download_and_unzip "https://github.com/jxxghp/MoviePilot/archive/refs/${1}" "App"
+    if download_and_unzip "https://github.com/jxxghp/MoviePilot/archive/refs/${1}" "App"; then
-    if [ $? -eq 0 ]; then
         echo "后端程序下载成功"
-        pip install ${PIP_OPTIONS} --upgrade pip
+        pip install "${PIP_OPTIONS}" --upgrade pip
-        pip install ${PIP_OPTIONS} -r /tmp/App/requirements.txt
+        if pip install "${PIP_OPTIONS}" -r /tmp/App/requirements.txt; then
-        if [ $? -eq 0 ]; then
             echo "安装依赖成功"
-            download_and_unzip "https://github.com/jxxghp/MoviePilot-Plugins/archive/refs/heads/main.zip" "Plugins"
+            frontend_version=$(curl "${CURL_OPTIONS}" "https://api.github.com/repos/jxxghp/MoviePilot-Frontend/releases/latest" "${CURL_HEADERS}" | jq -r .tag_name)
-            if [ $? -eq 0 ]; then
-                echo "插件下载成功"
-                download_and_unzip "https://github.com/jxxghp/MoviePilot-Resources/archive/refs/heads/main.zip" "Resources"
-                if [ $? -eq 0 ]; then
-                    echo "资源包下载成功"
-                    frontend_version=$(curl ${CURL_OPTIONS} "https://api.github.com/repos/jxxghp/MoviePilot-Frontend/releases/latest" ${CURL_HEADERS} | jq -r .tag_name)
             if [[ "${frontend_version}" == *v* ]]; then
-                        download_and_unzip "https://github.com/jxxghp/MoviePilot-Frontend/releases/download/${frontend_version}/dist.zip" "dist"
+                if download_and_unzip "https://github.com/jxxghp/MoviePilot-Frontend/releases/download/${frontend_version}/dist.zip" "dist"; then
-                        if [ $? -eq 0 ]; then
                     echo "前端程序下载成功"
-                            # 备份插件目录
-                            rm -rf /plugins
-                            mkdir -p /plugins
-                            cp -a /app/app/plugins/* /plugins/
-                            # 不备份__init__.py
-                            rm -f /plugins/__init__.py
                     # 清空目录
                     rm -rf /app
                     mkdir -p /app
                     # 后端程序
                     cp -a /tmp/App/* /app/
-                            # 恢复插件目录
-                            cp -a /plugins/* /app/app/plugins/
-                            # 插件仓库
-                            rsync -av --remove-source-files /tmp/Plugins/plugins/* /app/app/plugins/
-                            # 资源包
-                            cp -a /tmp/Resources/resources/* /app/app/helper/
                     # 前端程序
                     rm -rf /public
                     mkdir -p /public
                     cp -a /tmp/dist/* /public/
                     # 清理临时目录
                     rm -rf /tmp/*
-                            echo "程序更新成功，前端版本：${frontend_version}，后端版本：${1}"
+                    echo "程序部分更新成功，前端版本：${frontend_version}，后端版本：${1}"s
+                    echo "开始更新插件..."
+                    if download_and_unzip "https://github.com/jxxghp/MoviePilot-Plugins/archive/refs/heads/main.zip" "Plugins"; then
+                        echo "插件下载成功"
+                        # 备份插件目录
+                        rm -rf /plugins
+                        mkdir -p /plugins
+                        cp -a /app/app/plugins/* /plugins/
+                        # 不备份__init__.py
+                        rm -f /plugins/__init__.py
+                        # 恢复插件目录
+                        cp -a /plugins/* /app/app/plugins/
+                        # 插件仓库
+                        rsync -av --remove-source-files /tmp/Plugins/plugins/* /app/app/plugins/
+                        # 清理临时目录
+                        rm -rf /tmp/*
+                        echo "插件更新成功"
+                        echo "开始更新资源包..."
+                        if download_and_unzip "https://github.com/jxxghp/MoviePilot-Resources/archive/refs/heads/main.zip" "Resources"; then
+                            echo "资源包下载成功"
+                            # 资源包
+                            cp -a /tmp/Resources/resources/* /app/app/helper/
+                            # 清理临时目录
+                            rm -rf /tmp/*
+                            echo "资源包更新成功"
+                        else
+                            echo "资源包下载失败，继续使用旧的资源包来启动..."
+                        fi
+                    else
+                        echo "插件下载失败，继续使用旧的插件来启动..."
+                    fi
                 else
                     echo "前端程序下载失败，继续使用旧的程序来启动..."
                 fi
             else
                 echo "前端最新版本号获取失败，继续启动..."
             fi
-                else
-                    echo "资源包下载失败，继续使用旧的程序来启动..."
-                fi
-            else
-                echo "插件下载失败，继续使用旧的程序来启动..."
-            fi
         else
             echo "安装依赖失败，请重新拉取镜像"
         fi
@@ -100,9 +101,9 @@ if [[ "${MOVIEPILOT_AUTO_UPDATE}" = "true" ]] || [[ "${MOVIEPILOT_AUTO_UPDATE}"
         echo "Release 更新模式"
         old_version=$(cat /app/version.py)
         if [[ "${old_version}" == *APP_VERSION* ]]; then
-            current_version=v$(echo ${old_version} | sed -ne "s/APP_VERSION\s=\s'v\(.*\)'/\1/gp")
+            current_version=v$(echo "${old_version}" | sed -ne "s/APP_VERSION\s=\s'v\(.*\)'/\1/gp")
             echo "当前版本号：${current_version}"
-            new_version=$(curl ${CURL_OPTIONS} "https://api.github.com/repos/jxxghp/MoviePilot/releases/latest" ${CURL_HEADERS} | jq -r .tag_name)
+            new_version=$(curl "${CURL_OPTIONS}" "https://api.github.com/repos/jxxghp/MoviePilot/releases/latest" "${CURL_HEADERS}" | jq -r .tag_name)
             if [[ "${new_version}" == *v* ]]; then
                 release_version=${new_version}
                 echo "最新版本号：${release_version}"