diff --git a/repo_cloner/lib/detector.py b/repo_cloner/lib/detector.py
index 55f0ce0..b1b9db2 100644
--- a/repo_cloner/lib/detector.py
+++ b/repo_cloner/lib/detector.py
@@ -75,6 +75,7 @@ class Detector:
 	_executed: DiskStoredList = None
 	_branches: DiskStoredRefs = None
 	_tags: DiskStoredRefs = None
+	_project: str = None
 
 	def __init__(self, repo_path: Path, cache_dir: Path, project: str):
 		log.debug(f"Initializing detector...")
@@ -87,6 +88,8 @@ class Detector:
 			log.debug(f"Creating detector dir")
 			self._detector_dir.mkdir()
 
+		self._project = project
+
 		log.debug(f"Detector cache: {self._detector_dir}")
 		self._executed = DiskStoredList(self._detector_dir.joinpath("detectorExecuted").as_posix())
 		log.debug(f"Detector executed: {len(self._executed)} commits")
@@ -225,7 +228,17 @@ class Detector:
 				'log':       commit.message,
 			}
 			env = DetectedCommit(env)
+			log.info(f"Executing CI: commit {self._project}: {env.commit} @ {env.date} by {env.author}")
+			if env.is_tag or env.is_branch:
+				log.info(f"Additional info: branch: {env.branches}; tag(s) {env.tags}")
 			executed_count += 1
 			callback(env)
+			# mark commit done
+			self._executed.append(commit.hexsha)
+			for item in special_branch:
+				self._branches.update(item, commit.hexsha)
+			for item in special_tag:
+				self._tags.update(item, commit.hexsha)
+
 		self.persist_fingerprint()
 		return executed_count
diff --git a/tests/lib/test_detector.py b/tests/lib/test_detector.py
index df2e6df..8bc860d 100644
--- a/tests/lib/test_detector.py
+++ b/tests/lib/test_detector.py
@@ -1,6 +1,6 @@
 import logging
 
-from repo_cloner.lib import Detector, DetectedCommit
+from repo_cloner.lib import Detector, DetectedCommit, DiskStoredList, DiskStoredRefs
 import pytest
 from unittest.mock import patch, MagicMock, PropertyMock
 from git import Actor
@@ -368,3 +368,13 @@ def test_run(tmp_path, caplog):
 	assert any(ex.tags == 'v1001' for ex in executed)
 	assert any(ex.branches == 'master' for ex in executed)
 	assert all(ex.commit not in commits_old or ex.is_tag for ex in executed)
+
+	# new commits persisted?
+	commits = DiskStoredList(cache_dir.joinpath("detector", "detectorExecuted").as_posix())
+	for commit in commits_new:
+		assert commit in commits
+
+	refs = DiskStoredRefs(cache_dir.joinpath("detector", "tags"))
+	for tag, commit in tags_new.items():
+		assert commit == refs.get(tag)
+