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fix: prevent heredoc injection in ralph loop setup script #52418

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fix: prevent heredoc injection in ralph loop setup script #52418

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13 changes: 9 additions & 4 deletions plugins/ralph-wiggum/scripts/setup-ralph-loop.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -137,17 +137,22 @@ else
COMPLETION_PROMISE_YAML="null"
fi

cat > .claude/ralph-loop.local.md <<EOF
# Write state file in two steps to avoid shell expansion of prompt text
# and heredoc termination if prompt contains 'EOF' on its own line
STARTED_AT=$(date -u +%Y-%m-%dT%H:%M:%SZ)
{
cat <<FRONTMATTER_EOF
---
active: true
iteration: 1
max_iterations: $MAX_ITERATIONS
completion_promise: $COMPLETION_PROMISE_YAML
started_at: "$(date -u +%Y-%m-%dT%H:%M:%SZ)"
started_at: "$STARTED_AT"
---

$PROMPT
EOF
FRONTMATTER_EOF
printf '%s\n' "$PROMPT"
} > .claude/ralph-loop.local.md

# Output setup message
cat <<EOF
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