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#!/usr/bin/env python3
import argparse
import json
import os
import shutil
import subprocess
import sys
from pathlib import Path
import jinja2
def get_platform():
"""Get the platform using the platform.sh script"""
try:
script_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "home/scripts/platform.sh")
result = subprocess.run([script_path], capture_output=True, text=True, check=True)
return result.stdout.strip()
except subprocess.CalledProcessError as e:
print(f"Error getting platform: {e}")
sys.exit(1)
def get_device_name():
"""Get the device name using the system_name.sh script"""
try:
script_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "home/scripts/system_name.sh")
result = subprocess.run([script_path], capture_output=True, text=True, check=True)
return result.stdout.strip()
except subprocess.CalledProcessError as e:
print(f"Error getting device name: {e}")
sys.exit(1)
def load_context(platform, device_name):
"""Load the appropriate context from contexts.json"""
try:
with open('contexts.json', 'r') as f:
contexts = json.load(f)
if platform not in contexts:
print(f"Warning: Platform '{platform}' not found in contexts.json")
return {}
if device_name not in contexts[platform]:
print(f"Warning: Device '{device_name}' not found for platform '{platform}' in contexts.json")
# Try to use 'default' for the platform if device not found
if 'default' in contexts[platform]:
print(f"Using default context for platform '{platform}'")
return contexts[platform]['default']
return {}
return contexts[platform][device_name]
except FileNotFoundError:
print("Warning: contexts.json not found")
return {}
except json.JSONDecodeError as e:
print(f"Error parsing contexts.json: {e}")
sys.exit(1)
def compile_dotfiles(source_dir, target_dir, context):
"""Compile dotfiles, processing Jinja templates with context"""
# Create jinja environment
env = jinja2.Environment(
undefined=jinja2.StrictUndefined,
trim_blocks=True,
lstrip_blocks=True
)
# Ensure target directory exists
target_path = Path(target_dir)
target_path.mkdir(exist_ok=True, parents=True)
# Process each file in source directory
for root, dirs, files in os.walk(source_dir):
# Skip .git directories
if '.git' in dirs:
dirs.remove('.git')
# Create relative path from source_dir
rel_path = os.path.relpath(root, source_dir)
if rel_path == '.':
rel_path = ''
# Create target directory
if rel_path:
target_subdir = target_path / rel_path
target_subdir.mkdir(exist_ok=True, parents=True)
else:
target_subdir = target_path
for file in files:
source_file = os.path.join(root, file)
# Determine target filename (remove .j2 extension for templates)
target_file_name = file[:-3] if file.endswith('.j2') else file
target_file = target_subdir / target_file_name
print(f"Processing: {source_file} -> {target_file}")
if file.endswith('.j2'):
# Render Jinja2 template
try:
with open(source_file, 'r') as f:
template_content = f.read()
# Use the environment to create templates
template = env.from_string(template_content)
rendered_content = template.render(**context)
# Write rendered content to target file
with open(target_file, 'w') as f:
f.write(rendered_content)
# Make executable if source is executable
if os.access(source_file, os.X_OK):
os.chmod(target_file, 0o755)
except Exception as e:
print(f"Error rendering template {source_file}: {e}")
else:
# Copy file as-is
shutil.copy2(source_file, target_file)
def stow_dotfiles(dotfiles_dir, target_dir=None):
"""Use GNU Stow to symlink the compiled dotfiles"""
if target_dir is None:
target_dir = os.path.expanduser("~")
# Check if stow is installed
try:
subprocess.run(["stow", "--version"], capture_output=True, check=True)
except (subprocess.CalledProcessError, FileNotFoundError):
print("Error: GNU Stow not found. Please install it before using --stow.")
sys.exit(1)
# Get list of directories in dotfiles_dir (each is a stow package)
packages = [d for d in os.listdir(dotfiles_dir) if os.path.isdir(os.path.join(dotfiles_dir, d))]
for package in packages:
print(f"Stowing package: {package}")
try:
# Use --adopt to replace existing files
# Use --no-folding to enable leaf mode (each file individually linked)
subprocess.run([
"stow",
"--dir=" + dotfiles_dir,
"--target=" + target_dir,
"--adopt",
"--no-folding",
package
], check=True)
print(f"Successfully stowed {package}")
except subprocess.CalledProcessError as e:
print(f"Error stowing {package}: {e}")
def main():
parser = argparse.ArgumentParser(description="Dotfiles manager")
parser.add_argument("--compile", action="store_true", help="Compile dotfiles")
parser.add_argument("--stow", action="store_true", help="Stow compiled dotfiles")
parser.add_argument("--target", help="Target directory for stow (default: $HOME)")
args = parser.parse_args()
if not args.compile and not args.stow:
parser.print_help()
sys.exit(1)
platform = get_platform()
device_name = get_device_name()
print(f"Platform: {platform}, Device: {device_name}")
context = load_context(platform, device_name)
print(f"Loaded context: {context}")
# Add platform and device_name to context
context['platform'] = platform
context['device_name'] = device_name
compiled_dir = ".compiled_dotfiles"
if args.compile:
print(f"Compiling dotfiles from 'dotfiles' to '{compiled_dir}'...")
compile_dotfiles("dotfiles", compiled_dir, context)
print("Compilation complete.")
if args.stow:
target_dir = args.target if args.target else None
print(f"Stowing dotfiles from '{compiled_dir}'...")
stow_dotfiles(compiled_dir, target_dir)
print("Stowing complete.")
if __name__ == "__main__":
main()
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