优化部署流程

scripts/fetch-deps.py

@@ -0,0 +1,68 @@
+#!/usr/bin/env python3
+"""Initialize pinned dependencies over GitHub HTTPS with a self-hosted HTTPS fallback."""
+import argparse
+import os
+from pathlib import Path
+import subprocess
+import sys
+
+ROOT = Path(__file__).resolve().parents[1]
+PROJECTS = ['ChuSQL', 'ChuSQL-RustDriver']
+
+
+def git(*args, **kwargs):
+    return subprocess.run(['git', *args], cwd=ROOT, **kwargs)
+
+
+def initialize(name, override):
+    path = f'external/{name}'
+    checkout = ROOT / path
+    pin = git('ls-files', '--stage', '--', path, text=True, capture_output=True, check=True).stdout.split()
+    if len(pin) != 4 or pin[0] != '160000':
+        raise RuntimeError(f'{path} is missing its committed submodule pin')
+    if (checkout / '.git').exists():
+        dirty = git('-C', str(checkout), 'status', '--porcelain', text=True, capture_output=True, check=True).stdout
+        if dirty:
+            raise RuntimeError(f'{path} has local changes; refusing to overwrite them')
+        current = git('-C', str(checkout), 'rev-parse', '--verify', 'HEAD', text=True, capture_output=True, check=False)
+        if current.returncode == 0 and current.stdout.strip() == pin[1]:
+            print(f'{name}: pinned checkout already available', flush=True)
+            return
+    if override:
+        source = override.resolve()
+        if not source.is_dir():
+            raise RuntimeError(f'Local repository does not exist: {source}')
+        sources = [source.as_uri()]
+    else:
+        sources = [f'https://github.com/TheBadRoger/{name}.git',
+                   f'https://repo.chunana.cn/ChuNa7a/{name}.git']
+    transport_env = {**os.environ, 'GIT_TERMINAL_PROMPT': '0'}
+    for url in sources:
+        print(f'{name}: trying {url}', flush=True)
+        git('config', '--local', f'submodule.{path}.url', url, check=True)
+        options = ['-c', 'protocol.file.allow=always'] if override else []
+        if (checkout / '.git').exists():
+            git('-C', str(checkout), 'remote', 'set-url', 'origin', url, check=True)
+            result = git(*options, '-C', str(checkout), 'fetch', '--no-tags', 'origin', pin[1], env=transport_env, check=False)
+            if result.returncode == 0:
+                git('-C', str(checkout), 'checkout', '--detach', pin[1], check=True)
+                return
+        else:
+            result = git(*options, 'submodule', 'update', '--init', '--checkout', '--', path, env=transport_env, check=False)
+            if result.returncode == 0:
+                return
+        print(f'{name}: source failed; trying next configured source', file=sys.stderr, flush=True)
+    raise RuntimeError(f'No source contains the pinned {name} commit {pin[1]}')
+
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('--database-repo', type=Path, help='explicit local development source for ChuSQL')
+    parser.add_argument('--driver-repo', type=Path, help='explicit local development source for the driver')
+    args = parser.parse_args()
+    for name, override in zip(PROJECTS, [args.database_repo, args.driver_repo]):
+        initialize(name, override)
+
+
+if __name__ == '__main__':
+    main()