Rework get_version and various improvements

semver/scm/__init__.py

@@ -26,6 +26,14 @@ class SCM(ABC):
     def tag_version(self, version: str) -> None:
         raise NotImplementedError()
 
+    @abstractmethod
+    def get_version_hash(self, version: str) -> str:
+        raise NotImplementedError()
+
+    @abstractmethod
+    def get_hash(self) -> str:
+        raise NotImplementedError()
+
     def get_file_version(self, config: dict) -> str:
         """
         :param config: The bumpversion config as a dict

semver/scm/git.py

@@ -106,8 +106,6 @@ class Git(SCM):
 
         branch: str = self.get_branch()
 
-        logger.info(f"Main branch is {branch}")
-
         matches = self.git_commit_pattern.search(
             message.replace("\\n", "\n").replace("\\", "")
         )
@@ -140,4 +138,25 @@ class Git(SCM):
             )
 
     def tag_version(self, version: str) -> None:
+        """
+        Creates a git tag at HEAD with the given version
+        :param version: The version to tag
+        """
         self._run_command(self.git_bin, "tag", version)
+
+    def get_version_hash(self, version: str) -> str:
+        """
+        Get the hash of the commit that has the given version
+        :param version: The version to get the hash for
+        :return: The hash of the commit that has the given version
+        """
+        proc = self._run_command(self.git_bin, "rev-list", "-n", "1", version)
+        return proc.stdout.rstrip()
+
+    def get_hash(self) -> str:
+        """
+        Get the hash of the current commit
+        :return: The hash of the current commit
+        """
+        proc = self._run_command(self.git_bin, "rev-parse", "HEAD")
+        return proc.stdout.rstrip()

semver/scm/mock.py

@@ -18,3 +18,9 @@ class MockSCM(SCM):
 
     def tag_version(self, version: str) -> None:
         pass
+
+    def get_version_hash(self, version: str) -> str:
+        return "HASH"
+
+    def get_hash(self) -> str:
+        return "HASH"

semver/scm/tests/test_git.py

@@ -98,3 +98,20 @@ class TestMockSCM(unittest.TestCase):
 
         version = "1.0.0"
         self.scm.tag_version(version)
+
+    @mock.patch("subprocess.run")
+    def test_get_version_hash(self, mock_subprocess_run: mock.Mock):
+        mock_subprocess_run.return_value.stdout = "HASH\n"
+
+        version = "1.0.0"
+        expected_hash = "HASH"
+        version_hash = self.scm.get_version_hash(version)
+        self.assertEqual(version_hash, expected_hash)
+
+    @mock.patch("subprocess.run")
+    def test_get_hash(self, mock_subprocess_run: mock.Mock):
+        mock_subprocess_run.return_value.stdout = "HASH\n"
+
+        expected_hash = "HASH"
+        version_hash = self.scm.get_hash()
+        self.assertEqual(version_hash, expected_hash)

semver/scm/tests/test_mock.py

@@ -32,3 +32,14 @@ class TestMockSCM(unittest.TestCase):
     def test_tag_version(self):
         version = "1.0.0"
         self.scm.tag_version(version)
+
+    def test_get_version_hash(self):
+        version = "1.0.0"
+        expected_hash = "HASH"
+        version_hash = self.scm.get_version_hash(version)
+        self.assertEqual(version_hash, expected_hash)
+
+    def test_get_hash(self):
+        expected_hash = "HASH"
+        version_hash = self.scm.get_hash()
+        self.assertEqual(version_hash, expected_hash)