feat(nix-monitor): add nix-monitor plugin

2026-07-14 11:32:40 +07:00
parent ebbfa9c845
commit 7133dfb04a
7 changed files with 569 additions and 0 deletions
@@ -0,0 +1,111 @@
+noctalia.setUpdateInterval(100)
+
+function tr(key)
+    return noctalia.tr(key)
+end
+
+function cfg(key)
+    return noctalia.getConfig(key)
+end
+
+function getState(key)
+    return noctalia.state.get(key)
+end
+
+function setState(key, val)
+    noctalia.state.set(key, val)
+end
+
+function watchState(key, cb)
+    noctalia.state.watch(key, cb)
+end
+
+local branch = cfg("branch")
+local updateCheckInterval = cfg("check_interval")
+local localHashCmd  = "nixos-version --hash 2> /dev/null | cut -c -7"
+local remoteHashCmd = "git ls-remote https://github.com/NixOS/nixpkgs " .. branch .. " 2>/dev/null | cut -c 1-7"
+local completedCommands = 0
+
+setState("lastCheckTime", 0)
+setState("lastCheckTimeStr", "n/a")
+setState("localHash", "n/a")
+setState("remoteHash", "n/a")
+setState("isRunning", false)
+setState("isUpdateAvailable", false)
+
+function update()
+    if (os.time() - getState("lastCheckTime")) >= 60 * updateCheckInterval then
+        checkUpdate()
+    end
+end
+
+function checkUpdate()
+    if getState("isRunning") then
+        return
+    end
+
+    setState("lastCheckTime", os.time())
+    noctalia.runAsync("date", function(date) setState("lastCheckTimeStr", date.stdout) end)
+
+    if cfg("show_checking_notification") then
+        noctalia.notify(tr("notification.checking_update"))
+    end
+
+    setState("isRunning", true)
+
+    completedCommands = 0
+
+    noctalia.runAsync(localHashCmd, getLocalHash)
+    noctalia.runStream(remoteHashCmd, getRemoteHash)
+end
+
+function getLocalHash(result)
+    if getState("isRunning") ~= true then
+        return
+    end
+
+    setState("localHash", result.stdout)
+    completedCommands += 1
+    onHashCheckCompleted()
+end
+
+function getRemoteHash(line)
+    if getState("isRunning") ~= true then
+        return
+    end
+
+    setState("remoteHash", line)
+    completedCommands += 1
+    onHashCheckCompleted()
+end
+
+function onHashCheckCompleted()
+    if completedCommands < 2 then
+        return
+    end
+
+    if getState("localHash") ~= getState("remoteHash") then
+        setState("isUpdateAvailable", true)
+        if cfg("show_update_notification") then
+            noctalia.notify(tr("notification.update_is_available"))
+        end
+    end
+
+    if cfg("show_checking_notification") then
+        noctalia.notify(tr("notification.update_check_completed"))
+    end
+
+    setState("isRunning", false)
+end
+
+watchState("command", function(command)
+    if command == "check" then
+        checkUpdate()
+    end
+
+    if command == "cancel" then
+        noctalia.runAsync(`kill $(ps -ef | grep "git ls-remote https://github.com/NixOS/nixpkgs" | grep -v grep | awk '\{print $2\}')`)
+        setState("isRunning", false)
+        completedCommands = 0
+    end
+end)