#!/usr/bin/env python3
import hashlib,pathlib,subprocess
root=pathlib.Path('/mnt/storage/src/mosaic-stack-rocko-49');out=pathlib.Path(__file__).resolve().parent
tracked=subprocess.check_output(['git','diff','--name-only'],cwd=root,text=True).splitlines()
new=subprocess.check_output(['git','ls-files','--others','--exclude-standard','--','packages/bus/src','packages/bus/tests','packages/tasks/tests'],cwd=root,text=True).splitlines()
paths=sorted(set(tracked+new))
assert all(p.startswith(('packages/bus/','packages/tasks/','scripts/land-work/')) for p in paths)
patch=subprocess.check_output(['git','diff','--binary','--no-ext-diff'],cwd=root)
for path in sorted(new):
 r=subprocess.run(['git','diff','--no-index','--binary','--','/dev/null',path],cwd=root,stdout=subprocess.PIPE)
 assert r.returncode==1
 patch+=r.stdout
(out/'build.patch').write_bytes(patch)
(out/'candidate-manifest.sha256').write_text(''.join(hashlib.sha256((root/p).read_bytes()).hexdigest()+'  '+p+'\n' for p in paths))
(out/'base.txt').write_bytes(subprocess.check_output(['git','rev-parse','HEAD'],cwd=root))
print('candidate files',len(paths),'manifest sha',hashlib.sha256((out/'candidate-manifest.sha256').read_bytes()).hexdigest())