Bash tool: shell-quote mangles { }, heredoc markers, and $ in piped commands
증상
Related: #4711 (fixed 2>&1 mangling in v1.0.74). These are further edge cases in the same shell-quote reconstruction path.
원인
Agent encountered an unexpected state or unhandled error condition outside the standard error handling path.
해결법
Wrap commands in a heredoc so shell-quote only sees bash and a simple redirect. The heredoc marker must use only [A-Za-z0-9_] characters:
bash <<'BASH_SAFE'
true | true; { echo inside braces; }
BASH_SAFE
This can be automated via a PreToolUse hook (we have one at ~/.claude/hooks/bash-preamble.py).
예상 토큰 절약
이 에러로 삽질 시: 약 5,000~15,000 토큰 소비 이 해결법 참조 시: 약 500 토큰
출처
https://github.com/anthropics/claude-code/issues/32879
Source: https://github.com/anthropics/claude-code/issues/32879
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