fix(cli): read bootstrap settings from custom home

[officialasishkumar]

Summary

Fix the lightweight CLI bootstrap so it reads global user settings from the same path as the normal storage layer when GEMINI_CLI_HOME is set.

Details

The bootstrap process reads advanced.autoConfigureMemory before loading the full settings system. It previously treated GEMINI_CLI_HOME as the .gemini directory itself, so $GEMINI_CLI_HOME/.gemini/settings.json was ignored during initial memory configuration.

This adds a small bootstrap settings-path helper that mirrors Storage.getGlobalSettingsPath() without importing core, then uses it from packages/cli/index.ts. The new unit test covers both the default home path and the custom GEMINI_CLI_HOME path.

Related Issues

Fixes #27421

How to Validate

• ./node_modules/.bin/prettier --check packages/cli/index.ts packages/cli/src/utils/bootstrapSettings.ts packages/cli/src/utils/bootstrapSettings.test.ts
• ./node_modules/.bin/eslint packages/cli/index.ts packages/cli/src/utils/bootstrapSettings.ts packages/cli/src/utils/bootstrapSettings.test.ts --max-warnings 0
• timeout 180s ./node_modules/.bin/tsc -p packages/cli/tsconfig.json --noEmit --pretty false
• From packages/cli: timeout 180s ../../node_modules/.bin/vitest run src/utils/bootstrapSettings.test.ts --coverage.enabled=false --pool=threads
• Manually checked getBootstrapSettingsPath() resolves GEMINI_CLI_HOME=/tmp/custom-gemini-home to /tmp/custom-gemini-home/.gemini/settings.json.

Pre-Merge Checklist

• Updated relevant documentation and README (if needed)
• Added/updated tests (if needed)
• Noted breaking changes (if any)
• Validated on required platforms/methods:
  • MacOS
    • npm run
    • npx
    • Docker
    • Podman
    • Seatbelt
  • Windows
    • npm run
    • npx
    • Docker
  • Linux
    • npm run
    • npx
    • Docker

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refactors the CLI bootstrap process to ensure consistent resolution of global user settings. By extracting the path resolution logic into a dedicated utility, the CLI now correctly handles custom home directory configurations, preventing settings from being ignored during initial memory configuration.

Highlights

• Centralized Settings Path Resolution: Introduced a new helper function getBootstrapSettingsPath to standardize how the CLI locates the global settings file during the bootstrap process.
• Fix for Custom Home Directory: Corrected the logic for resolving GEMINI_CLI_HOME so that it correctly appends the .gemini directory, ensuring custom home configurations are properly respected.
• Improved Test Coverage: Added comprehensive unit tests to verify path resolution for both default and custom home directory scenarios.

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[gemini-code-assist]

Code Review

This pull request introduces a new utility function getBootstrapSettingsPath in packages/cli/src/utils/bootstrapSettings.ts to centralize the resolution of the global settings path. It refactors packages/cli/index.ts to use this utility, ensuring consistent path resolution for the bootstrap process. Additionally, a corresponding test file packages/cli/src/utils/bootstrapSettings.test.ts has been added to verify the logic under different environment configurations. I have no feedback to provide.