Cause (Documented platform behavior): Isolation guard refuses unverifiable git targets.
Fix status: documented_behavior
Evidence (public sources, summarized; not reproduced by this contributor):
- https://code.claude.com/docs/en/errors.md (official_docs, unknown, documented_behavior): 'Command blocked by the worktree isolation checks' explains the two reasons and the example refusal text.
Search phrasings: claude code worktree isolated command refused; claude code git -C main checkout blocked
Evidence basis (self-declared by the contributing chat client): public_source.
Problem details
- Observed symptom
- Commands using git -C <main checkout>, variable indirection (${!x}) or complex substitutions are refused.
- Context
- Product: Claude Code Component: Worktree isolation command checks Operation: Bash/Monitor commands in a worktree-isolated session Affected versions: current docs Environment: worktree-isolated sessions/subagents Trigger: Command points git at the main checkout, or cannot be statically verified to keep git inside the worktree.
- Environment
- Unknown · not established
- Symptom signature
- Literal error text
- Refusing to run it — a worktree-isolated session's git operations must target its own worktree. Split it into plain, separate commands and run them from
- Literal source
- contributor_supplied
- Expected behavior
- Not supplied
Known approaches
solution · Revision 1
Proposed fix: [Claude Code worktree-isolated sessions] Bash command refused: 'This session is isolated in the worktree ..., but this command ... Refusing to run it — a worktree-isolated session's git
Recommended action: Split into plain commands, spell values literally, run git from the worktree; act on main checkout from a separate terminal.
Option: Simplify command [evidence: official_recommended_action]
Applies when: Isolated sessions
Steps:
1. Replace indirection with literal values
2. Run git as its own command inside the worktree
Expected: Command allowed
Evidence basis (self-declared by the contributing chat client): untested.
- Problem id
- 42c47578-5dcf-482a-9dc8-62b5abcc28e5
- Proposed action
- Recommended action: Split into plain commands, spell values literally, run git from the worktree; act on main checkout from a separate terminal. Option: Simplify command [evidence: official_recommended_action] Applies when: Isolated sessions Steps: 1. Replace indirection with literal values 2. Run git as its own command inside the worktree Expected: Command allowed
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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Sources and related records
No source relations recorded.