luci: custom temp dir support

alist/files/alist.config

@@ -3,3 +3,4 @@ config alist
 	option 'port' '5244'
 	option 'expiration' '60'
 	option 'cleanup_interval' '120'
+	option 'temp_dir' '/tmp'

alist/files/alist.init

@@ -10,14 +10,16 @@ get_config() {
 	config_get port $1 port 5244
 	config_get expiration $1 expiration 60
 	config_get cleanup_interval $1 cleanup_interval 120
+	config_get temp_dir $1 temp_dir "/tmp"
 }
 
 start_service() {
 	config_load alist
 	config_foreach get_config alist
 	[ $enabled != 1 ] && return 1
+	mkdir -p $temp_dir
 	cat > $CONFIG <<EOF
-{"address":"0.0.0.0","port":$port,"assets":"","database":{"type":"sqlite3","user":"","password":"","host":"","port":0,"name":"","table_prefix":"x_","db_file":"/etc/alist/data.db","ssl_mode":"disable"},"scheme":{"https":false,"cert_file":"","key_file":""},"cache":{"expiration":$expiration,"cleanup_interval":$cleanup_interval}}
+{"address":"0.0.0.0","port":$port,"assets":"","database":{"type":"sqlite3","user":"","password":"","host":"","port":0,"name":"","table_prefix":"x_","db_file":"/etc/alist/data.db","ssl_mode":"disable"},"scheme":{"https":false,"cert_file":"","key_file":""},"cache":{"expiration":$expiration,"cleanup_interval":$cleanup_interval},"temp_dir":"$temp_dir"}
 EOF
 	procd_open_instance
 	procd_set_param command $PROG

luci-app-alist/luasrc/model/cbi/alist.lua

@@ -17,5 +17,6 @@ s.anonymous=true
 
 s:option(Value, "expiration", translate("Cache invalidation time (unit: minutes)")).rmempty=false
 s:option(Value, "cleanup_interval", translate("Clear the invalidation cache interval")).rmempty=false
+s:option(Value, "temp_dir", translate("Temp directory")).rmempty=false
 
 return m

luci-app-alist/po/zh_Hans/alist.po

@@ -25,6 +25,9 @@ msgstr "缓存失效时间（分钟）"
 msgid "Clear the invalidation cache interval"
 msgstr "清理失效缓存间隔"
 
+msgid "Temp directory"
+msgstr "临时目录"
+
 msgid "The Alist service is running."
 msgstr "Alist 服务已启动"