Merge pull request #5 from liquidata-inc/oscarbatori/fix-merge-semantics

Update commit semantics for empty commits

doltpy/etl/loaders.py

@@ -1,6 +1,6 @@
 from typing import Callable, List
 import io
-from doltpy.core.dolt import UPDATE, Dolt
+from doltpy.core.dolt import UPDATE, Dolt, DoltException
 import pandas as pd
 import hashlib
 import importlib
@@ -171,10 +171,14 @@ def inner(repo: Dolt):
         tables_updated = [writer(repo) for writer in table_writers]
 
         if commit:
-            logger.info('Committing to repo located in {} for tables:\n{}'.format(repo.repo_dir, tables_updated))
-            for table in tables_updated:
-                repo.add_table_to_next_commit(table)
-            repo.commit(message)
+            if not repo.repo_is_clean():
+                logger.info('Committing to repo located in {} for tables:\n{}'.format(repo.repo_dir, tables_updated))
+                for table in tables_updated:
+                    repo.add_table_to_next_commit(table)
+                repo.commit(message)
+
+            else:
+                logger.warning('No changes to repo in:\n{}'.format(repo.repo_dir))
 
         if original_branch != repo.get_current_branch():
             logger.info('Checked out {} from {}, checking out {} to restore state'.format(repo.get_current_branch(),

setup.py

@@ -1,14 +1,14 @@
 from setuptools import setup, find_packages
 
 setup(name='doltpy',
-      version='0.0.4',
+      version='0.0.5',
       packages=find_packages(),
       install_requires=['pandas>=0.25.0', 'pyarrow>=0.14.1', 'mysql-connector-python==8.0.17', 'retry>=0.9.2'],
       author='Liquidata',
       author_email='oscar@liquidata.co',
       description='A Python package for using Dolt database via Python.',
       url='https://github.com/liquidata-inc/doltpy',
-      download_url='https://github.com/liquidata-inc/doltpy/archive/v0.0.4.tar.gz',
+      download_url='https://github.com/liquidata-inc/doltpy/archive/v0.0.5.tar.gz',
       keywords=['Dolt', 'Liquidata', 'DoltHub', 'ETL', 'ELT'],
       project_urls={'Bug Tracker': 'https://github.com /liquidata-inc/core/issues'},
       entry_points={