From b7168724f61a998c0428792c79f24325b15a48bc Mon Sep 17 00:00:00 2001
From: Vladimir Rubin <vavakado@proton.me>
Date: Sat, 3 May 2025 01:47:38 +0300
Subject: [PATCH] fix: add check for no backends

---
 src/lib.rs  | 4 ++--
 src/main.rs | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 3d62dca..537fb43 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,7 +30,7 @@ pub struct Config {
     pub temp_backend: TempBackend,
 }
 
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, PartialEq, Copy, Clone)]
 pub enum GammaBackend {
     Hyprctl,
     Ddcutil,
@@ -40,7 +40,7 @@ pub enum GammaBackend {
     None,
 }
 
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, PartialEq, Copy, Clone)]
 pub enum TempBackend {
     Hyprctl,
     Redshift,
diff --git a/src/main.rs b/src/main.rs
index a3c8802..9ac543b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -237,6 +237,11 @@ async fn main() {
         TempBackend::None => {}
     }
 
+    if cfg.temp_backend == TempBackend::None && cfg.gamma_backend == GammaBackend::None {
+        error!("No backends selected, exiting.");
+        std::process::exit(1);
+    }
+
     CONFIG.set(Arc::new(RwLock::new(cfg))).unwrap();
 
     if std::path::Path::new(SOCKET_PATH).exists() {