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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.105

Multi-Repository Checkout Support

What

Two new environment variables let you configure Claude Code for multi-repo development workflows.

Usage
export CLAUDE_CODE_REPO_CHECKOUTS='{"frontend": "/home/user/frontend", "backend": "/home/user/backend"}'
export CLAUDE_CODE_BASE_REFS='{"frontend": "origin/main", "backend": "origin/develop"}'
claude
Details
  • CLAUDE_CODE_REPO_CHECKOUTS — JSON map of name-to-path entries for repository checkouts. Claude Code tracks branches across all configured repos.
  • CLAUDE_CODE_BASE_REFS — JSON map specifying the base git ref for each checkout (used for diff comparisons and bundle generation).
  • Both values are cached per session with singleton initialization.
Evidence

Repo checkouts env var (search for "CLAUDE_CODE_REPO_CHECKOUTS") and base refs (search for "CLAUDE_CODE_BASE_REFS")

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.105 →