add git module

Author: yeoldegrove

src/python_gardenlinux_lib/__init__.py

@@ -0,0 +1,3 @@
+from .git import Git
+
+__all__ = ['Git']

src/python_gardenlinux_lib/git/__init__.py

@@ -0,0 +1,3 @@
+from .git import Git
+
+__all__ = ["Git"]

src/python_gardenlinux_lib/git/git.py

@@ -0,0 +1,32 @@
+import subprocess
+from pathlib import Path
+import sys
+
+from ..logger import LoggerSetup
+
+
+class Git:
+    """Git operations handler."""
+
+    def __init__(self, logger=None):
+        """Initialize Git handler.
+
+        Args:
+            logger: Optional logger instance
+        """
+        self.log = logger or LoggerSetup.get_logger("gardenlinux.git")
+
+    def get_root(self):
+        """Get the root directory of the current Git repository."""
+        try:
+            root_dir = subprocess.check_output(
+                ["git", "rev-parse", "--show-toplevel"], text=True
+            ).strip()
+            self.log.debug(f"Git root directory: {root_dir}")
+            return Path(root_dir)
+        except subprocess.CalledProcessError as e:
+            self.log.error(
+                "Not a git repository or unable to determine root directory."
+            )
+            self.log.debug(f"Git command failed with: {e}")
+            sys.exit(1)