mirror of
https://github.com/ryan4yin/nix-config.git
synced 2026-09-10 20:11:47 +02:00
60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
#!/usr/bin/env python3
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import os
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import sys
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import tempfile
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from pathlib import Path
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def install_one(target_dir: Path, source_file: Path, target_name: str) -> None:
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if not target_dir.exists():
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print(f"skipped {target_dir} (not found)")
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return
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target_file = target_dir / target_name
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if target_file.is_file() and not target_file.is_symlink():
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# Preserve the old inode without reading its contents or replacing an earlier backup.
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index = 0
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while True:
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suffix = ".bak" if index == 0 else f".bak.{index}"
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backup = target_file.with_name(target_file.name + suffix)
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try:
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os.link(target_file, backup)
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break
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except FileExistsError:
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index += 1
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print(f"backed up {target_file} -> {backup}")
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# Create the link on the same filesystem before atomically replacing the destination.
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with tempfile.TemporaryDirectory(prefix=".install-rules-", dir=target_dir) as staging:
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link = Path(staging) / target_name
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link.symlink_to(source_file)
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link.replace(target_file)
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print(f"linked {target_file} -> {source_file}")
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def main() -> int:
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script_dir = Path(__file__).resolve().parent
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agents_file = script_dir / "AGENTS.md"
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if not agents_file.is_file():
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print(f"Missing source file: {agents_file}", file=sys.stderr)
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return 1
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codex_dir = Path(os.environ.get("CODEX_HOME", "~/.codex")).expanduser()
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xdg_config_home = Path(os.environ.get("XDG_CONFIG_HOME", "~/.config")).expanduser()
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opencode_dir = xdg_config_home / "opencode"
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claude_dir = Path("~/.claude").expanduser()
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agents_dir = Path("~/.agents").expanduser()
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install_one(codex_dir, agents_file, "AGENTS.md")
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install_one(opencode_dir, agents_file, "AGENTS.md")
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install_one(claude_dir, agents_file, "CLAUDE.md")
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install_one(agents_dir, agents_file, "AGENTS.md")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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