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fix(gui): change app.lock location #310

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fix(gui): change app.lock location #310

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2265e71
fix(gui): Change app.lock location
tristanmsct Mar 26, 2026
3eccfef
style: fix code to comply with format specifications
tristanmsct Mar 26, 2026
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13 changes: 11 additions & 2 deletions nmrs-gui/src/file_lock.rs
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Original file line number Diff line number Diff line change
@@ -1,9 +1,18 @@
use fs2::FileExt;
use std::fs;
use std::fs::File;

pub fn acquire_app_lock() -> Result<File, String> {
let mut lock_path = dirs::data_local_dir().unwrap_or(std::env::temp_dir());
lock_path.push("my_app.lock");
// Prefer XDG_RUNTIME_DIR for ephemeral lock files (should be /run/usr/<USR_ID>). Fall back to local data dir.
let mut lock_dir = dirs::runtime_dir()
.or_else(dirs::data_local_dir)
.unwrap_or(std::env::temp_dir());

lock_dir.push("nmrs");

fs::create_dir_all(&lock_dir).map_err(|e| format!("Failed to create lock directory: {e}"))?;

let lock_path = lock_dir.join("app.lock");

let file = File::create(&lock_path).map_err(|e| format!("Failed to create lock file: {e}"))?;

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