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pkgmgr/src/pkgmgr/actions/install/installers/nix/profile/parser.py
Kevin Veen-Birkenbach 06a6a77a48
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*fix(nix): resolve nix profile conflicts without numeric indices and fix update pkgmgr system test*
* Switch conflict handling from index-based removal to token-based removal (*nix profile remove <name>*) for newer nix versions
* Add robust parsing of *nix profile list --json* with normalization and heuristics for output/name matching
* Detect at runtime whether numeric profile indices are supported and fall back automatically when they are not
* Ensure *pkgmgr* / *package-manager* flake outputs are correctly identified and cleaned up during reinstall
* Fix failing E2E test *test_update_pkgmgr_shallow_pkgmgr_with_system* by reliably removing conflicting profile entries before reinstall

https://chatgpt.com/share/693efae5-b8bc-800f-94e3-28c93b74ed7b
2025-12-14 18:58:29 +01:00

20 lines
507 B
Python

from __future__ import annotations
import json
from typing import Any, Dict
def parse_profile_list_json(raw: str) -> Dict[str, Any]:
"""
Parse JSON output from `nix profile list --json`.
Raises SystemExit with a helpful excerpt on parse failure.
"""
try:
return json.loads(raw)
except json.JSONDecodeError as e:
excerpt = (raw or "")[:5000]
raise SystemExit(
f"[nix] Failed to parse `nix profile list --json`: {e}\n{excerpt}"
) from e