Use mimalloc for musl builds

cli/Cargo.toml

@@ -49,6 +49,9 @@ features = [ # TODO: test which of these are actually needed
     "time",
 ]
 
+[target.'cfg(target_env = "musl")'.dependencies]
+mimalloc = "0.1.26"
+
 [build-dependencies]
 embed-resource = "1.6.1"
 

cli/src/main.rs

@@ -18,6 +18,10 @@ use watchexec::{
 mod args;
 mod config;
 
+#[cfg(target_env = "musl")]
+#[global_allocator]
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
+
 #[tokio::main]
 async fn main() -> Result<()> {
 	#[cfg(feature = "dev-console")]