fix(linux): restore legacy CUPS capture compatibility

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@fieldlens/print",
-  "version": "0.1.25",
+  "version": "0.1.26",
   "private": true,
   "type": "module",
   "scripts": {

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fieldlens-print"
-version = "0.1.25"
+version = "0.1.26"
 description = "FieldLens print-stream barcode capture companion"
 authors = ["Arrowstack"]
 edition = "2021"

src-tauri/src/capture.rs

@@ -28,6 +28,8 @@ use crate::{
 #[cfg(target_os = "linux")]
 const SYSTEM_CUPS_SPOOL_DIR: &str = "/var/lib/fieldlens-print/capture";
 #[cfg(target_os = "linux")]
+const LEGACY_CUPS_SPOOL_DIR: &str = "/var/cache/cups/fieldlens-print";
+#[cfg(target_os = "linux")]
 const TEST_CAPTURE_SINK_ADDR: &str = "127.0.0.1:9101";
 
 pub struct CaptureRuntime {
@@ -65,7 +67,8 @@ pub fn start(config: AppConfig, state: SharedState, app: AppHandle) -> Result<Ca
     if matches!(config.mode, CaptureMode::SpoolFolder | CaptureMode::Both) {
         let spool_dir = PathBuf::from(&config.spool_dir);
         #[cfg(target_os = "linux")]
-        let is_system_cups_spool = spool_dir == PathBuf::from(SYSTEM_CUPS_SPOOL_DIR);
+        let is_system_cups_spool = spool_dir == PathBuf::from(SYSTEM_CUPS_SPOOL_DIR)
+            || spool_dir == PathBuf::from(LEGACY_CUPS_SPOOL_DIR);
         #[cfg(not(target_os = "linux"))]
         let is_system_cups_spool = false;
 
@@ -93,20 +96,22 @@ pub fn start(config: AppConfig, state: SharedState, app: AppHandle) -> Result<Ca
 
     #[cfg(target_os = "linux")]
     {
-        let system_spool = PathBuf::from(SYSTEM_CUPS_SPOOL_DIR);
-        let worker_stop = stop.clone();
-        let worker_state = state.clone();
-        let worker_app = app.clone();
-        let worker_config = config.clone();
-        handles.push(thread::spawn(move || {
-            cups_cache_folder_loop(
-                system_spool,
-                worker_config,
-                worker_state,
-                worker_app,
-                worker_stop,
-            )
-        }));
+        for spool in [SYSTEM_CUPS_SPOOL_DIR, LEGACY_CUPS_SPOOL_DIR] {
+            let system_spool = PathBuf::from(spool);
+            let worker_stop = stop.clone();
+            let worker_state = state.clone();
+            let worker_app = app.clone();
+            let worker_config = config.clone();
+            handles.push(thread::spawn(move || {
+                cups_cache_folder_loop(
+                    system_spool,
+                    worker_config,
+                    worker_state,
+                    worker_app,
+                    worker_stop,
+                )
+            }));
+        }
 
         let sink = TcpListener::bind(TEST_CAPTURE_SINK_ADDR)
             .with_context(|| format!("bind test-capture sink {TEST_CAPTURE_SINK_ADDR}"))?;

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "FieldLens Print",
-  "version": "0.1.25",
+  "version": "0.1.26",
   "identifier": "dev.arrowstack.fieldlens.print",
   "build": {
     "beforeDevCommand": "npm run dev",