Use XDG_RUNTIME_DIR for texlab.sock in linux (#1331)

Cargo.lock

@@ -940,6 +940,7 @@ name = "ipc"
 version = "0.0.0"
 dependencies = [
  "crossbeam-channel",
+ "dirs 6.0.0",
  "expect-test",
  "log",
  "parser",

Cargo.toml

@@ -16,6 +16,7 @@ rust-version = "1.80"
 anyhow = "1.0.95"
 criterion = "0.5.1"
 crossbeam-channel = "0.5.14"
+dirs = "6.0.0"
 expect-test = "1.5.1"
 itertools = "0.13.0"
 log = "0.4.25"

crates/base-db/Cargo.toml

@@ -8,7 +8,7 @@ rust-version.workspace = true
 
 [dependencies]
 bibtex-utils = { path = "../bibtex-utils" }
-dirs = "6.0.0"
+dirs.workspace = true
 distro = { path = "../distro" }
 itertools.workspace = true
 line-index = { path = "../line-index" }

crates/ipc/Cargo.toml

@@ -8,6 +8,7 @@ rust-version.workspace = true
 
 [dependencies]
 crossbeam-channel.workspace = true
+dirs.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 log.workspace = true

crates/ipc/src/lib.rs

@@ -12,7 +12,9 @@ use std::os::unix::net::{UnixListener, UnixStream};
 use uds_windows::{UnixListener, UnixStream};
 
 fn socket_path() -> PathBuf {
-    std::env::temp_dir().join("texlab.sock")
+    dirs::runtime_dir()
+        .unwrap_or(std::env::temp_dir())
+        .join("texlab.sock")
 }
 
 pub fn send_request<T: Serialize>(msg: T) -> io::Result<()> {