Fixing error at re-registration (#249)

* fix

* add tests

gto/registry.py

@@ -152,16 +152,18 @@ def register(  # pylint: disable=too-many-locals
         # check that this commit don't have a version already
         found_version = found_artifact.find_version(commit_hexsha=ref)
         if found_version is not None:
-            if not force and found_version.is_registered:
+            if not force and found_version.is_registered and found_version.is_active:
                 raise VersionExistsForCommit(name, found_version.version)
-            if force and found_version.version != version:
+            if not version:
+                version = found_version.version
+            elif found_version.version != version:
                 raise WrongArgs(
                     f"For this REF you can only register {found_version.version}"
                 )
         # if version name is provided, use it
         if version:
             SemVer(version)
-            if found_artifact.find_version(name=version) is not None:
+            if found_artifact.find_version(name=version) != found_version:
                 raise VersionAlreadyRegistered(version)
         else:
             # if version name wasn't provided but there were some, bump the last one

tests/test_cli.py

@@ -293,6 +293,22 @@ def test_register(repo_with_commit: Tuple[git.Repo, Callable]):
         "    git push [email protected]\n",
     )
 
+    _check_successful_cmd(
+        "deprecate",
+        ["-r", repo.working_dir, "a2", "v1.2.3"],
+        "Created git tag '[email protected]!' that deregisters version\n"
+        "To push the changes upstream, run:\n"
+        "    git push [email protected]!\n",
+    )
+
+    _check_successful_cmd(
+        "register",
+        ["-r", repo.working_dir, "a2", "--simple", "false"],
+        "Created git tag '[email protected]#1' that registers version\n"
+        "To push the changes upstream, run:\n"
+        "    git push [email protected]#1\n",
+    )
+
     _check_failing_cmd(
         "register",
         ["-r", repo.working_dir, "a3", "--version", "1.2.3"],