chore: configure Gitea repository source

install.sh

@@ -1,9 +1,14 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-REPOSITORY="zxyszx/NewSzxcn-Email"
-RAW_BASE="https://raw.githubusercontent.com/${REPOSITORY}/main"
 INSTALL_DIR="${LANQIN_INSTALL_DIR:-/opt/newszxcn-email}"
+DEFAULT_RAW_BASE="https://gitea.xzys.me/szx/NewSzxcn-Email/raw/branch/main"
+SOURCE_URL_FILE="${INSTALL_DIR}/.source-url"
+RAW_BASE="${LANQIN_RAW_BASE:-}"
+if [[ -z "${RAW_BASE}" && -s "${SOURCE_URL_FILE}" ]]; then
+  RAW_BASE="$(tr -d '\r\n' < "${SOURCE_URL_FILE}")"
+fi
+RAW_BASE="${RAW_BASE:-${DEFAULT_RAW_BASE}}"
 COMMAND="${1:-menu}"
 ROLLBACK_FILE="${INSTALL_DIR}/.rollback-image"
 ROLLBACK_POINTER="${INSTALL_DIR}/.rollback-manifest"
@@ -135,6 +140,8 @@ apply_staged_assets() {
   install -m 0644 "${INSTALL_DIR}/.env.example.new" "${INSTALL_DIR}/.env.example" || return 1
   install -m 0755 "${INSTALL_DIR}/.install.sh.new" "${CLI_PATH}.new" || return 1
   mv "${CLI_PATH}.new" "${CLI_PATH}" || return 1
+  printf '%s\n' "${RAW_BASE}" > "${SOURCE_URL_FILE}" || return 1
+  chmod 0644 "${SOURCE_URL_FILE}" || return 1
   rm -f "${INSTALL_DIR}/.docker-compose.yml.new" "${INSTALL_DIR}/.env.example.new" "${INSTALL_DIR}/.install.sh.new"
 }
 
@@ -1524,7 +1531,7 @@ SSL 证书：有效期至 ${certificate_expiry}
 重置管理员密码：newszxcn-email reset-password
 
 公开教程：
-https://github.com/zxyszx/NewSzxcn-Email/blob/main/docs/GUIDE.md
+https://gitea.xzys.me/szx/NewSzxcn-Email/src/branch/main/docs/GUIDE.md
 EOF
   install -m 0600 "${tmp}" "${GUIDE_FILE}"
   rm -f "${tmp}"