Add: Add rev_list method to the Git class

The rev_list method currently only implements parts of the possible
arguments.

pontos/git/git.py

@@ -461,3 +461,41 @@ def log(self, *log_args: str, oneline: Optional[bool] = None) -> List[str]:
         args.extend(log_args)
 
         return self.exec(*args).splitlines()
+
+    def rev_list(
+        self,
+        *commit: str,
+        max_parents: Optional[int] = None,
+        abbrev_commit: Optional[bool] = False,
+    ) -> List[str]:
+        """
+        Lists commit objects in reverse chronological order
+
+        Args:
+            commit: commit objects.
+            max_parents: Only list nth oldest commits
+            abbrev_commit: Set to True to show  prefix that names the commit
+                object uniquely instead of the full commit ID.
+
+        Examples:
+            .. code-block:: python
+
+            git = Git()
+            git.rev_list("foo", "bar", "^baz")
+
+            This will "list all the commits which are reachable from foo or bar,
+            but not from baz".
+
+            git = Git()
+            git.rev_list("foo", max_parents=0)
+
+            This will return the first commit of foo.
+        """
+        args = ["rev-list"]
+        if max_parents is not None:
+            args.append(f"--max-parents={max_parents}")
+        if abbrev_commit:
+            args.append("--abbrev-commit")
+
+        args.extend(commit)
+        return self.exec(*args).splitlines()

tests/git/test_git.py

@@ -500,3 +500,18 @@ def test_log_with_oneline(self, exec_git_mock):
 
         self.assertEqual(logs[0], "50f9963 Add CircleCI config for pontos")
         self.assertEqual(logs[5], "464f24d Initial commit")
+
+    @patch("pontos.git.git.exec_git")
+    def test_rev_list(self, exec_git_mock):
+        git = Git()
+        git.rev_list("foo", "bar", "baz", max_parents=123, abbrev_commit=True)
+
+        exec_git_mock.assert_called_once_with(
+            "rev-list",
+            "--max-parents=123",
+            "--abbrev-commit",
+            "foo",
+            "bar",
+            "baz",
+            cwd=None,
+        )