feat(dev): add hooks setup and pre-push hook with black formatter

pyproject.toml

@@ -52,13 +52,17 @@ test = [
     "pytest>=8.2.2",
     "pytest-cov>=5.0.0",
 ]
+format = [
+    "black>=24.10.0",
+]
 
 [project.urls]
 "Homepage" = "https://github.com/jahwag/claudesync"
 "Bug Tracker" = "https://github.com/jahwag/claudesync/issues"
 
 [project.scripts]
 claudesync = "claudesync.cli.main:cli"
+install-hooks = "claudesync.cli.hooks:install_hooks"
 
 [build-system]
 requires = ["setuptools>=42", "wheel"]

src/claudesync/cli/hook_templates/pre_commit.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+import os
+import subprocess
+import sys
+
+
+def get_changed_files() -> list[str]:
+    """Get list of Python files that are staged for commit."""
+    try:
+        cmd = ["git", "diff", "--cached", "--name-only", "--diff-filter=ACMR"]
+        result = subprocess.run(cmd, capture_output=True, text=True, check=True)
+        files = result.stdout.strip().split("\n")
+        return [f for f in files if f.endswith(".py") and os.path.exists(f)]
+    except subprocess.CalledProcessError:
+        print("Failed to get changed files")
+        return []
+
+
+def format_files(files: list[str]) -> tuple[bool, list[str]]:
+    """Format the given files using black."""
+    if not files:
+        return True, []
+
+    formatted_files = []
+    try:
+        subprocess.run(["black", "--version"], capture_output=True, check=True)
+    except (subprocess.CalledProcessError, FileNotFoundError):
+        print(
+            "Error: black is not installed. Please install it with: pip install black"
+        )
+        return False, []
+
+    for file_path in files:
+        try:
+            subprocess.run(
+                ["black", "--quiet", file_path], capture_output=True, check=True
+            )
+            formatted_files.append(file_path)
+        except subprocess.CalledProcessError as e:
+            print(f"Failed to format {file_path}: {e}")
+            return False, formatted_files
+
+    return True, formatted_files
+
+
+def main():
+    files = get_changed_files()
+    if not files:
+        print("No Python files to format")
+        sys.exit(0)
+
+    print("Formatting Python files with black...")
+    success, formatted_files = format_files(files)
+
+    if formatted_files:
+        print("\nFormatted files:")
+        for file in formatted_files:
+            print(f"  - {file}")
+
+        # Re-stage formatted files
+        try:
+            subprocess.run(["git", "add"] + formatted_files, check=True)
+            print("\nFormatted files have been re-staged")
+        except subprocess.CalledProcessError:
+            print("Failed to re-stage formatted files")
+            sys.exit(1)
+
+    if not success:
+        print("\nSome files could not be formatted")
+        sys.exit(1)
+
+    print("\nAll files formatted successfully")
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()

src/claudesync/cli/hooks.py

@@ -0,0 +1,75 @@
+import os
+import shutil
+import stat
+import subprocess
+from pathlib import Path
+
+import click
+
+SUPPORTED_GIT_HOOKS = [
+    "pre-commit",
+]
+
+
+def copy_hook(hooks_dir, hook_name):
+    """
+    Copy a specific hook from templates to git hooks directory.
+
+    Args:
+        hooks_dir: Path to the .git/hooks directory
+        hook_name: Name of the hook to install
+    """
+    hook_path = hooks_dir / hook_name
+    module_dir = Path(__file__).parent
+    template_name = f"{hook_name.replace('-', '_')}.py"
+    hook_template = module_dir / "hook_templates" / template_name
+
+    if not hook_template.exists():
+        click.echo(f"Warning: Template for {hook_name} not found at {hook_template}")
+        return
+
+    try:
+        shutil.copy2(hook_template, hook_path)
+
+        st = os.stat(hook_path)
+        os.chmod(hook_path, st.st_mode | stat.S_IEXEC)
+
+        click.echo(f"Successfully installed {hook_name} hook")
+    except Exception as e:
+        click.echo(f"Error installing {hook_name} hook: {e}")
+
+
+def install_hooks():
+    """Install all supported Git hooks for the project."""
+    project_root = find_git_root()
+    if not project_root:
+        click.echo("Error: Not a git repository (or any of the parent directories)")
+        return
+
+    hooks_dir = project_root / ".git" / "hooks"
+    if not hooks_dir.exists():
+        click.echo(f"Creating hooks directory: {hooks_dir}")
+        hooks_dir.mkdir(parents=True, exist_ok=True)
+
+    for hook in SUPPORTED_GIT_HOOKS:
+        copy_hook(hooks_dir, hook)
+
+    click.echo("\nHook installation complete!")
+
+
+def find_git_root():
+    """Find 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
+
+
+if __name__ == "__main__":
+    install_hooks()