Initial upload: Local LLM Prompt Manager CLI tool

src/git.py

@@ -0,0 +1,82 @@
+"""Git utilities for commit message generation."""
+
+import subprocess
+from pathlib import Path
+from typing import Optional
+
+
+class GitUtils:
+    """Utilities for git operations."""
+
+    @staticmethod
+    def get_staged_diff() -> str:
+        """Get the diff of staged changes."""
+        try:
+            result = subprocess.run(
+                ["git", "diff", "--cached"],
+                capture_output=True,
+                text=True,
+                check=True
+            )
+            return result.stdout
+        except subprocess.CalledProcessError:
+            return ""
+
+    @staticmethod
+    def get_staged_files() -> list[str]:
+        """Get list of staged files."""
+        try:
+            result = subprocess.run(
+                ["git", "diff", "--cached", "--name-only"],
+                capture_output=True,
+                text=True,
+                check=True
+            )
+            return result.stdout.strip().split("\n") if result.stdout.strip() else []
+        except subprocess.CalledProcessError:
+            return []
+
+    @staticmethod
+    def get_unstaged_diff() -> str:
+        """Get the diff of unstaged changes."""
+        try:
+            result = subprocess.run(
+                ["git", "diff"],
+                capture_output=True,
+                text=True,
+                check=True
+            )
+            return result.stdout
+        except subprocess.CalledProcessError:
+            return ""
+
+    @staticmethod
+    def get_repo_root() -> Optional[Path]:
+        """Get the root directory of the git repository."""
+        try:
+            result = subprocess.run(
+                ["git", "rev-parse", "--show-toplevel"],
+                capture_output=True,
+                text=True,
+                check=True
+            )
+            return Path(result.stdout.strip())
+        except subprocess.CalledProcessError:
+            return None
+
+    @staticmethod
+    def is_git_repo() -> bool:
+        """Check if the current directory is a git repository."""
+        return GitUtils.get_repo_root() is not None
+
+    @staticmethod
+    def get_diff_summary(diff: str) -> str:
+        """Get a brief summary of changes from a diff."""
+        lines = diff.split("\n")
+        summary_lines = []
+        for line in lines[:50]:
+            if line.startswith("+++") or line.startswith("---"):
+                continue
+            if line.startswith("+") or line.startswith("-"):
+                summary_lines.append(line[:80])
+        return "\n".join(summary_lines)[:1000]