fix: use --permission-mode bypassPermissions instead of --dangerously-skip-permissions#4
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melanie531 merged 1 commit intoaws-samples:mainfrom Mar 19, 2026
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…-skip-permissions CodeBuild runs as root. Claude Code v2.1.79 refuses to use --dangerously-skip-permissions with root/sudo privileges: '--dangerously-skip-permissions cannot be used with root/sudo privileges for security reasons' This caused ALL Claude Code invocations to silently fail with empty output, resulting in 0 tokens, 0 tool calls, and artificially low scores in any CI/CD environment running as root. Fix: Replace --dangerously-skip-permissions with --permission-mode bypassPermissions, which achieves the same effect but is allowed for root users.
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Problem
CodeBuild (and many CI/CD systems) runs as root. Claude Code v2.1.79 refuses
--dangerously-skip-permissionsfor root users:This causes ALL Claude Code invocations to silently produce empty output (0 tokens, 0 tool calls), resulting in artificially low eval scores.
Fix
Replace
--dangerously-skip-permissionswith--permission-mode bypassPermissionsin both_build_cmd_with_skill()and_build_cmd_without_skill(). This achieves the same permission bypass but is allowed for root users.Testing
--permission-mode bypassPermissionsworks with Claude Code