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install: Skip templates and raw files that aren't out of date in the destination.

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This commit is contained in:
Adam Gausmann 2022-04-03 17:20:07 -05:00
parent 4efb107396
commit 743b4312f7
1 changed files with 37 additions and 16 deletions
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53
install.py
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@ -7,6 +7,7 @@ import socket
import sys
from functools import partial
from pathlib import Path
from typing import List
import mako.lookup
import mako.template
@ -33,6 +34,17 @@ def get_base16(scheme, app, template='default'):
return requests.get(base_url + output + '/base16-' + scheme + extension).text
def is_outdated(src: List[Path], dst: Path) -> bool:
if not dst.exists():
return True
dst_modified = dst.stat().st_mtime
return any(
a_src.stat().st_mtime > dst_modified
for a_src in src
)
def main():
parser = argparse.ArgumentParser(
description='Generates and installs dotfiles for this host.',
@ -56,6 +68,11 @@ def main():
type=Path,
default=os.environ.get('HOME') or Path.home(),
)
parser.add_argument(
'-f', '--force',
help='Force overwrite all files even if they are not considered outdated.',
action='store_true'
)
args = parser.parse_args()
raw_dir = args.dotfiles / 'raw'
@ -82,28 +99,32 @@ def main():
continue
rel_path = raw_path.relative_to(raw_dir)
output_path = args.home / rel_path
print(rel_path)
output_path.parent.mkdir(parents=True, exist_ok=True)
shutil.copy(raw_path, output_path)
if args.force or is_outdated([raw_path], output_path):
print(rel_path)
output_path.parent.mkdir(parents=True, exist_ok=True)
shutil.copy(raw_path, output_path)
for template_path in templates_dir.glob('**/*'):
if not template_path.is_file():
continue
rel_path = template_path.relative_to(templates_dir)
print(rel_path)
template = mako.template.Template(
filename=str(template_path),
strict_undefined=True,
lookup=lookup,
)
output = template.render(
host=host_config,
get_base16=partial(get_base16, host_config.get('base16-scheme', 'default-dark')),
)
output_path = args.home / template_path.relative_to(templates_dir)
output_path.parent.mkdir(parents=True, exist_ok=True)
with open(output_path, 'w+') as output_file:
output_file.write(output)
if args.force or is_outdated([template_path, host_filename], output_path):
print(rel_path)
template = mako.template.Template(
filename=str(template_path),
strict_undefined=True,
lookup=lookup,
)
output = template.render(
host=host_config,
get_base16=partial(get_base16, host_config.get('base16-scheme', 'default-dark')),
)
output_path.parent.mkdir(parents=True, exist_ok=True)
with open(output_path, 'w+') as output_file:
output_file.write(output)
if __name__ == '__main__':