优化部署与升级脚本：全新部署以解压路径为安装路径，平滑更新以系统已有安装路径为目标更新路径
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@ -130,7 +130,7 @@ for legacy_backup in /var/backups/smail-deploy-*; do
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done
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if [ "$fresh" = true ]; then
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if [ -d "$runtime_dir" ] && [ -n "$(find "$runtime_dir" -mindepth 1 -maxdepth 1 -type l -print -quit)" ]; then
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echo "全新部署已停止：/opt/smail 顶层存在符号链接，拒绝清理。" >&2
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echo "全新部署已停止：$runtime_dir 顶层存在符号链接，拒绝清理。" >&2
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exit 1
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fi
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@ -2,11 +2,14 @@
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set -eu
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# Smail 生产环境版本平滑升级脚本
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# 仅更新程序文件与系统服务，严禁清空数据库、配置文件、证书或域名配置，无需重新走初始化流程。
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# 规则说明：
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# 1. 严格以现有生产环境的实际安装路径作为更新路径，严禁以升级包解压所在路径作为运行路径。
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# 2. 仅更新程序文件与系统服务，严密保留现有数据库、配置文件、证书与域名，免去重新初始化流程。
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usage() {
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echo "用法：$0 [安装根目录]"
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echo "如果不指定安装目录，将自动从现有的 smail.service 中读取，或默认为脚本上级目录。"
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echo "用法：$0 [现有安装目录]"
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echo "默认将自动从 /etc/systemd/system/smail.service 中解析实际安装路径（如 /smail 或 /opt/smail）。"
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echo "如果服务未安装或需要手动指定，可在参数中显式传入安装目录。"
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}
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if [ "${1:-}" = "-h" ] || [ "${1:-}" = "--help" ]; then
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@ -22,11 +25,13 @@ fi
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script_dir="$(cd "$(dirname "$0")" && pwd)"
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package_root="$(realpath -e -- "$script_dir/..")"
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# 1. 自动识别安装目标目录
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# 1. 自动探查并确定系统的实际安装路径（严禁使用当前升级包的解压路径）
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target_dir="${1:-}"
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if [ -z "$target_dir" ]; then
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# 优先从 smail.service 中读取 WorkingDirectory
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if [ -f /etc/systemd/system/smail.service ]; then
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service_workdir="$(grep -E '^WorkingDirectory=' /etc/systemd/system/smail.service | head -n1 | cut -d'=' -f2- | tr -d ' ' || true)"
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service_workdir="$(grep -E '^[[:space:]]*WorkingDirectory=' /etc/systemd/system/smail.service | head -n1 | cut -d'=' -f2- | tr -d ' ' || true)"
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if [ -n "$service_workdir" ] && [ -d "$service_workdir" ]; then
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target_dir="$service_workdir"
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fi
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@ -34,20 +39,36 @@ if [ -z "$target_dir" ]; then
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fi
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if [ -z "$target_dir" ]; then
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target_dir="$package_root"
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# 其次检查常见的默认安装目录
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for candidate in /smail /opt/smail; do
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if [ -d "$candidate" ] && [ -f "$candidate/smail" ] && [ "$candidate" != "$package_root" ]; then
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target_dir="$candidate"
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break
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fi
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done
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fi
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if [ -z "$target_dir" ]; then
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echo "错误：未能在系统服务中检测到 Smail 的现有安装路径！" >&2
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echo "请手动指定目标安装目录，例如：$0 /smail" >&2
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exit 1
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fi
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target_dir="$(realpath -m -- "$target_dir")"
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if [ ! -d "$target_dir" ]; then
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echo "错误：目标目录不存在: $target_dir" >&2
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echo "错误：目标安装目录不存在: $target_dir" >&2
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exit 1
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fi
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if [ ! -f "$target_dir/smail" ]; then
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echo "警告：在目标目录 $target_dir 下未检测到旧的 smail 主程序，请确认是否为正确的安装目录！"
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fi
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echo "=========================================================="
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echo " Smail 服务平滑升级 "
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echo " 升级包路径: $package_root"
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echo " 目标安装目录: $target_dir"
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echo " Smail 服务平滑更新 "
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echo " 升级包解压源目录 : $package_root"
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echo " 目标系统安装目录 : $target_dir"
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echo "=========================================================="
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case "$(uname -m)" in
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@ -56,7 +77,7 @@ case "$(uname -m)" in
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*) echo "不支持的系统架构: $(uname -m)" >&2; exit 1 ;;
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esac
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# 2. 定位新版本程序二进制
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# 2. 定位新版本程序二进制文件
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if [ -f "$package_root/smail" ] && [ -f "$package_root/smail-admin" ] && [ -f "$package_root/smail-config" ]; then
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new_smail="$package_root/smail"
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new_smail_admin="$package_root/smail-admin"
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@ -66,7 +87,7 @@ elif [ -f "$package_root/out/backend/smail_linux_$arch" ]; then
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new_smail_admin="$package_root/out/backend/smail-admin_linux_$arch"
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new_smail_config="$package_root/out/backend/smail-config_linux_$arch"
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else
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echo "错误：未能找到有效的升级二进制程序文件！" >&2
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echo "错误：未能找到升级包中的二进制程序文件！" >&2
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exit 1
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fi
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@ -77,7 +98,7 @@ for bin in "$new_smail" "$new_smail_admin" "$new_smail_config"; do
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fi
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done
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# 3. 停止正在运行的服务
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# 3. 停止运行中的服务以解除文件占用
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echo ">>> 正在停止运行中的 Smail 服务..."
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systemctl stop smail.service 2>/dev/null || true
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systemctl stop smail-admin.service 2>/dev/null || true
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@ -90,8 +111,8 @@ if ! getent passwd smail >/dev/null; then
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useradd --system --gid smail --home-dir "$target_dir" --shell /usr/sbin/nologin smail
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fi
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# 5. 替换程序二进制文件（设置正确属主与权限，防止覆盖自身报错）
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echo ">>> 正在更新可执行程序..."
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# 5. 替换程序二进制文件至安装目录（保持安装目录独立，防止覆盖自身报错）
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echo ">>> 正在更新主程序及管理工具至: $target_dir"
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if [ "$new_smail" != "$target_dir/smail" ]; then
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cp -f "$new_smail" "$target_dir/smail"
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fi
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@ -110,15 +131,22 @@ fi
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chown root:root "$target_dir/smail-config"
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chmod 0700 "$target_dir/smail-config"
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# 6. 更新 systemd 服务单元
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# 同时更新安装目录下的 deploy 脚本供日后维护
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if [ "$package_root" != "$target_dir" ] && [ -d "$package_root/deploy" ]; then
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mkdir -p "$target_dir/deploy"
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cp -rf "$package_root/deploy"/* "$target_dir/deploy/" 2>/dev/null || true
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chmod -R 0755 "$target_dir/deploy" 2>/dev/null || true
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fi
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# 6. 更新 systemd 服务单元（配置安装路径为工作目录）
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systemd_src="$package_root/deploy/systemd"
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if [ ! -d "$systemd_src" ] && [ -d "$target_dir/deploy/systemd" ]; then
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systemd_src="$target_dir/deploy/systemd"
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fi
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if [ -f "$systemd_src/smail.service" ]; then
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sed -e "s|WorkingDirectory=/opt/smail|WorkingDirectory=$target_dir|g" \
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-e "s|ExecStart=/opt/smail/smail|ExecStart=$target_dir/smail|g" \
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sed -e "s|WorkingDirectory=[^ ]*|WorkingDirectory=$target_dir|g" \
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-e "s|ExecStart=[^ ]*/smail|ExecStart=$target_dir/smail|g" \
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-e "s|/opt/smail/config|$target_dir/config|g" \
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-e "s|/opt/smail/data|$target_dir/data|g" \
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-e "s|/opt/smail/ssl|$target_dir/ssl|g" \
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@ -130,8 +158,8 @@ if [ -f "$systemd_src/smail.service" ]; then
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fi
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if [ -f "$systemd_src/smail-admin.service" ]; then
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sed -e "s|WorkingDirectory=/opt/smail|WorkingDirectory=$target_dir|g" \
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-e "s|ExecStart=/opt/smail/smail-admin|ExecStart=$target_dir/smail-admin|g" \
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sed -e "s|WorkingDirectory=[^ ]*|WorkingDirectory=$target_dir|g" \
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-e "s|ExecStart=[^ ]*/smail-admin|ExecStart=$target_dir/smail-admin|g" \
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"$systemd_src/smail-admin.service" > /etc/systemd/system/smail-admin.service
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chmod 0644 /etc/systemd/system/smail-admin.service
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chown root:root /etc/systemd/system/smail-admin.service
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@ -148,6 +176,7 @@ sleep 1
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if systemctl is-active --quiet smail.service; then
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echo "=========================================================="
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echo " Smail 平滑升级成功！"
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echo " 升级程序写入目录: $target_dir"
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echo " 数据库、SSL 证书及域名配置均完整保留。"
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echo " 服务状态: active (running)"
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echo "=========================================================="
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