Support tag creation

gitlib/gitlib.py

@@ -1213,6 +1213,8 @@ class OpengnsysGitLibrary:
         repo.config_writer().add_value("core", "filemode",  "false").release()
         repo.config_writer().add_value("push", "autoSetupRemote", "true").release()
         repo.config_writer().add_value("maintenance", "autoDetach", "false").release()
+        repo.config_writer().add_value("push", "followTags", "true").release()
+
 
     def initRepo(self, device, repo_name):
         """
@@ -1485,6 +1487,25 @@ class OpengnsysGitLibrary:
         self._restore_metadata(path, destructive_only=True)
 
 
+    def tag(self, path = None, device = None, tagName = None, commit = None, message = None):
+        """
+        Create a tag in the repository
+        """
+
+        if path is None:
+            path = self.fs.ensure_mounted(device)
+
+        self.logger.info("Creating tag %s pointing at %s", tagName, commit)
+        repo = git.Repo(path)
+        self._configure_repo(repo)
+
+        if tagName in repo.tags:
+            self.logger.warning("Tag already existed")
+            return
+
+        repo.create_tag(tagName, ref = commit, message = message)
+
+
     def restoreRepo(self, path):
         """
         Restore the repository to the state it had before the non-committed modifications