From ded7b7183f7d975776766dda66becd6b85d3d588 Mon Sep 17 00:00:00 2001
From: Kuoi <kuoi@bioarchlinux.org>
Date: Tue, 30 May 2023 07:26:10 +0800
Subject: [PATCH] add: monitor

---
 rosa.service   |  8 ++++++++
 rosa.watch.lua | 30 ++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 rosa.service
 create mode 100644 rosa.watch.lua

diff --git a/rosa.service b/rosa.service
new file mode 100644
index 0000000..dc469db
--- /dev/null
+++ b/rosa.service
@@ -0,0 +1,8 @@
+[Unit]
+Description=Rosa API generator
+[Service]
+Type=simple
+ExecStart=/usr/bin/lua /usr/share/lilac/Rosa/rosa.watch.lua
+[Install]
+WantedBy=multi-user.target
+
diff --git a/rosa.watch.lua b/rosa.watch.lua
new file mode 100644
index 0000000..d83a841
--- /dev/null
+++ b/rosa.watch.lua
@@ -0,0 +1,30 @@
+#!/usr/bin/lua
+
+local lfs = require("lfs")
+
+local rosalua = "/usr/share/lilac/Rosa/rosa.lua"
+local filepath = "/usr/share/lilac/Repo/x86_64/bioarchlinux.files" -- what I watch
+local last_modified = nil
+local attr = lfs.attributes(filepath)
+last_modified = attr.modification
+
+--watch file--
+local function check_changes()
+  -- current time
+  local attr = lfs.attributes(filepath)
+  local current_modified = attr.modification
+  -- if different
+  if current_modified ~= last_modified then
+    -- update info
+    last_modified = current_modified
+    -- run script
+    print("Executing Rosa Lua")
+    dofile(rosalua)
+  end
+end
+
+--2 min sync--
+while true do
+  check_changes()
+  os.execute("sleep " .. tonumber(120)) -- 120s = 2min
+end