Merge pull request #13124 from thingsboard/fix/gateway-dashboard-sync

Improve local repository opening

common/version-control/src/main/java/org/thingsboard/server/service/sync/vc/GitRepository.java

@@ -41,6 +41,8 @@ import org.eclipse.jgit.diff.HistogramDiff;
 import org.eclipse.jgit.diff.RawText;
 import org.eclipse.jgit.diff.RawTextComparator;
 import org.eclipse.jgit.errors.LargeObjectException;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectLoader;
@@ -147,22 +149,31 @@ public class GitRepository {
     }
 
     public static GitRepository openOrClone(Path directory, RepositorySettings settings, boolean fetch) throws IOException, GitAPIException {
-        GitRepository repository;
         if (GitRepository.exists(directory.toString())) {
-            repository = GitRepository.open(directory.toFile(), settings);
-            if (fetch) {
-                repository.fetch();
+            try {
+                GitRepository repository = GitRepository.open(directory.toFile(), settings);
+                if (fetch) {
+                    repository.fetch();
+                }
+                return repository;
+            } catch (RepositoryNotFoundException e) {
+                log.warn("{} not a git repository, reinitializing", directory);
+            } catch (TransportException e) {
+                if (StringUtils.containsIgnoreCase(e.getMessage(), "missing commit")) {
+                    log.warn("Couldn't fetch {} due to {}, reinitializing", directory, e.getMessage());
+                } else {
+                    throw e;
+                }
             }
+        }
+
+        FileUtils.deleteDirectory(directory.toFile());
+        Files.createDirectories(directory);
+        if (settings.isLocalOnly()) {
+            return GitRepository.create(settings, directory.toFile());
         } else {
-            FileUtils.deleteDirectory(directory.toFile());
-            Files.createDirectories(directory);
-            if (settings.isLocalOnly()) {
-                repository = GitRepository.create(settings, directory.toFile());
-            } else {
-                repository = GitRepository.clone(settings, directory.toFile());
-            }
+            return GitRepository.clone(settings, directory.toFile());
         }
-        return repository;
     }
 
     public static void test(RepositorySettings settings, File directory) throws Exception {