Fixes the auto-update problem with TexGroups on Ubuntu Linux and make…

…s the detection of file modifications more reliable (#7412)

* two possible fixes for the auto-update problem with TexGroups on Linux

* revert changes

* fix for opening library and parsing an existing TexGroup or changing a group to a TexGroup

* making the detection of file modifications more reliable by detecting file creation events for existing files as well as file modifications

* changelog

CHANGELOG.md

@@ -47,6 +47,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue where the file path is invisible in dark theme. [#7382](https://github.com/JabRef/jabref/issues/7382)
 - We fixed an issue where the secondary sorting is not working for some special fields. [#7015](https://github.com/JabRef/jabref/issues/7015)
 - We fixed an issue where changing the font size makes the font size field too small. [#7085](https://github.com/JabRef/jabref/issues/7085)
+- We fixed an issue with TexGroups on Linux systems, where the modification of an aux-file did not trigger an auto-update for TexGroups. Furthermore, the detection of file modifications is now more reliable. [#7412](https://github.com/JabRef/jabref/pull/7412)
 - We fixed an issue where the Unicode to Latex formatter produced wrong results for characters with a codepoint higher than Character.MAX_VALUE. [#7387](https://github.com/JabRef/jabref/issues/7387)
 
 ### Removed

src/main/java/org/jabref/gui/util/DefaultFileUpdateMonitor.java

@@ -56,8 +56,8 @@ public void run() {
                     if (kind == StandardWatchEventKinds.OVERFLOW) {
                         Thread.yield();
                         continue;
-                    } else if (kind == StandardWatchEventKinds.ENTRY_MODIFY) {
-                        // We only handle "ENTRY_MODIFY" here, so the context is always a Path
+                    } else if (kind == StandardWatchEventKinds.ENTRY_CREATE || kind == StandardWatchEventKinds.ENTRY_MODIFY) {
+                        // We only handle "ENTRY_CREATE" and "ENTRY_MODIFY" here, so the context is always a Path
                         @SuppressWarnings("unchecked")
                         WatchEvent<Path> ev = (WatchEvent<Path>) event;
                         Path path = ((Path) key.watchable()).resolve(ev.context());
@@ -88,7 +88,7 @@ public void addListenerForFile(Path file, FileUpdateListener listener) throws IO
         if (isActive()) {
             // We can't watch files directly, so monitor their parent directory for updates
             Path directory = file.toAbsolutePath().getParent();
-            directory.register(watcher, StandardWatchEventKinds.ENTRY_MODIFY);
+            directory.register(watcher, StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_MODIFY);
             listeners.put(file, listener);
         }
     }

src/main/java/org/jabref/model/groups/TexGroup.java

@@ -47,14 +47,18 @@ public class TexGroup extends AbstractGroup implements FileUpdateListener {
 
     public static TexGroup create(String name, GroupHierarchyType context, Path filePath, AuxParser auxParser, FileUpdateMonitor fileMonitor, MetaData metaData) throws IOException {
         TexGroup group = new TexGroup(name, context, filePath, auxParser, fileMonitor, metaData);
-        fileMonitor.addListenerForFile(filePath, group);
+        fileMonitor.addListenerForFile(group.getFilePathResolved(), group);
         return group;
     }
 
     public static TexGroup createWithoutFileMonitoring(String name, GroupHierarchyType context, Path filePath, AuxParser auxParser, FileUpdateMonitor fileMonitor, MetaData metaData) throws IOException {
         return new TexGroup(name, context, filePath, auxParser, fileMonitor, metaData);
     }
 
+    public Path getFilePathResolved() {
+        return this.filePath;
+    }
+
     @Override
     public boolean contains(BibEntry entry) {
         if (keysUsedInAux == null) {