nix: stop wrappers from owning user config#1919
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The Nix wrappers create ~/.git-ai/config.json whenever it is absent, while the Home Manager module manages the same path as a store symlink. A Git command between link cleanup and activation leaves a regular file that makes Home Manager abort rather than clobber it. Pass the Nix store Git path through the environment instead of writing user config. Let Home Manager force the one-time takeover of files left by older wrappers, and check that both wrappers run without creating config.
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johnrichardrinehart
marked this pull request as draft
July 21, 2026 01:16
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This is draft until I have time to review alternative approaches
The Nix wrappers and Home Manager module both own
~/.git-ai/config.json. If Git runs after the managed link is removed, the wrapper creates a regular file and the next Home Manager activation fails rather than clobber it.Pass the Nix store Git path through
GIT_AI_GIT_PATHinstead of writing user config. Mark the Home Manager file as forced so it can take over files left by older releases.The new flake check runs both wrappers with an isolated home and verifies that they do not create
config.json.