Added condition for 403 HTTP Status (#274)

Author: alexanderrtaylor

src/main/java/com/cloudbees/jenkins/plugins/bitbucket/client/BitbucketCloudApiClient.java

@@ -422,6 +422,10 @@ public boolean checkPathExists(@NonNull String branchOrHash, @NonNull String pat
             return true;
         } else if (HttpStatus.SC_NOT_FOUND == status) {
             return false;
+        } else if (HttpStatus.SC_FORBIDDEN == status) {
+            // Needs to skip over the branch if there are permissions issues but let you know in the logs
+            LOGGER.log(Level.FINE, "You currently do not have permissions to pull from repo: {0} at branch {1}", new Object[]{repositoryName, branchOrHash});
+            return false;
         } else {
             throw new IOException("Communication error for url: " + path + " status code: " + status);
         }