From 3998b759f75b3f58654c27686513e0b314e52043 Mon Sep 17 00:00:00 2001
From: casey langen <casey.langen@gmail.com>
Date: Sat, 20 Aug 2022 00:05:59 -0700
Subject: [PATCH] Use SIGUSR1 to rescan library in musikcubed

---
 CHANGELOG.txt           | 1 +
 src/musikcubed/main.cpp | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 74b0bf950..cea29c75d 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -5,6 +5,7 @@
 * fixed `musikdroid` app notification on Android 13 devices.
 * updated `musikdroid` dependencies and tooling, fixed a few warnings.
 * merged latest upstream `PDCurses` code for Windows builds.
+* sending `musikcubed` a SIGUSR1 will trigger a library rescan.
 
 --------------------------------------------------------------------------------
 
diff --git a/src/musikcubed/main.cpp b/src/musikcubed/main.cpp
index fbe9a7201..a6acdfb24 100644
--- a/src/musikcubed/main.cpp
+++ b/src/musikcubed/main.cpp
@@ -270,6 +270,12 @@ static void initUtf8() {
     boost::filesystem::path::imbue(utf8Locale);
 }
 
+static void rescanHandler(int signal) {
+    debug::info("daemon", "received SIGUSR1, rescanning the library...");
+    auto library = LibraryFactory::Instance().DefaultLocalLibrary();
+    library->Indexer()->Schedule(IIndexer::SyncType::All);
+}
+
 int main(int argc, char** argv) {
     initUtf8();
     std::cout << "\n  using lockfile at: " << getLockfileFn();
@@ -280,6 +286,8 @@ int main(int argc, char** argv) {
 
     srand((unsigned int) time(0));
 
+    std::signal(SIGUSR1, rescanHandler);
+
     plugin::Init();
 
     EvMessageQueue messageQueue;