This script concats all of a git repository into one .txt file, perfect for supplying as context to Claude or for integration with other LLMs.

pack-git-for-llm.py

import os
import sys
import pathspec

def load_gitignore(root_dir):
    gitignore = os.path.join(root_dir, '.gitignore')
    if os.path.exists(gitignore):
        with open(gitignore, 'r') as file:
            spec = pathspec.PathSpec.from_lines('gitwildmatch', file)
    else:
        spec = pathspec.PathSpec.from_lines('gitwildmatch', [])
    return spec

def concatenate_files(root_dir, output_file_path):
    ignore_spec = load_gitignore(root_dir)
    
    with open(output_file_path, 'w') as output_file:
        for root, dirs, files in os.walk(root_dir):
            dirs[:] = [d for d in dirs if not d.startswith('.git')]
            for file in files:
                file_path = os.path.join(root, file)
                if ignore_spec.match_file(file_path):
                    continue
                relative_path = os.path.relpath(file_path, root_dir)
                output_file.write(f'---\n{relative_path}\n')
                with open(file_path, 'r', errors='ignore') as input_file:
                    output_file.write(input_file.read())
                    output_file.write('\n')

root_dir = sys.argv[1]
output_file_path = sys.argv[2]
concatenate_files(root_dir, output_file_path)