mirror of
https://github.com/lucannez64/darling-lol.git
synced 2026-10-27 19:54:38 +00:00
35 lines
2.4 KiB
Python
Executable File
35 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Fetch pinned Darling sources and apply each patch to its owning repository."""
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import argparse,json,os,subprocess,tempfile
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from pathlib import Path
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from common import ROOT,render
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p=argparse.ArgumentParser(description=__doc__)
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p.add_argument('--source',type=Path,default=ROOT/'build/darling-src')
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p.add_argument('--check-only',action='store_true',help='validate against temporary base indexes, without changing existing source')
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a=p.parse_args();source=a.source.resolve();manifest=json.loads((ROOT/'upstream/manifest.json').read_text())
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def run(args,**kwargs):return subprocess.run(args,check=True,**kwargs)
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if not (source/'.git').exists():
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if a.check_only:p.error('check-only requires an existing pinned source checkout')
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source.parent.mkdir(parents=True,exist_ok=True)
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run(['git','clone',manifest['upstream'],str(source)])
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run(['git','-C',str(source),'checkout','--detach',manifest['revision']])
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run(['git','-C',str(source),'submodule','update','--init','--recursive'])
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# Never reset someone else's checkout to make a patch apply.
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for component in manifest['components']:
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repo=source/component['path']
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actual=subprocess.check_output(['git','-C',str(repo),'rev-parse','HEAD'],text=True).strip()
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if actual!=component['revision']:raise SystemExit(f"Wrong revision for {component['path']}: expected {component['revision']}, got {actual}")
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patch=render((ROOT/component['patch']).read_text())
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if a.check_only:
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with tempfile.TemporaryDirectory(prefix='darling-patch-index-') as tmp:
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env=dict(os.environ,GIT_INDEX_FILE=str(Path(tmp)/'index'))
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run(['git','-C',str(repo),'read-tree',component['revision']],env=env)
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run(['git','-C',str(repo),'apply','--cached','--check','--whitespace=nowarn','-'],input=patch,text=True,env=env)
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else:
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already=subprocess.run(['git','-C',str(repo),'apply','--reverse','--check','-'],input=patch,text=True,stdout=subprocess.DEVNULL,stderr=subprocess.DEVNULL).returncode==0
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if not already:
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run(['git','-C',str(repo),'apply','--check','-'],input=patch,text=True)
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run(['git','-C',str(repo),'apply','--whitespace=nowarn','-'],input=patch,text=True)
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print(('Checked ' if a.check_only else 'Prepared ')+component['path'],flush=True)
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print('All',len(manifest['components']),'component patches validated' if a.check_only else 'component patches ready')
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