Supporting info for login screen rework
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#!/bin/bash
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# Ralph Wiggum - Long-running AI agent loop
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# Usage: ./ralph.sh [--tool amp|claude] [max_iterations]
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# Parse arguments
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TOOL="amp"
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MAX_ITERATIONS=10
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while [[ $# -gt 0 ]]; do
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case $1 in
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--tool)
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TOOL="$2"
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shift 2
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;;
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--tool=*)
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TOOL="${1#*=}"
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shift
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;;
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*)
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if [[ "$1" =~ ^[0-9]+$ ]]; then
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MAX_ITERATIONS="$1"
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fi
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shift
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;;
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esac
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done
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if [[ "$TOOL" != "amp" && "$TOOL" != "claude" ]]; then
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echo "Error: Invalid tool '$TOOL'. Must be 'amp' or 'claude'."
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exit 1
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fi
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PRD_FILE="$SCRIPT_DIR/prd.json"
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PROGRESS_FILE="$SCRIPT_DIR/progress.txt"
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ARCHIVE_DIR="$SCRIPT_DIR/archive"
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LAST_BRANCH_FILE="$SCRIPT_DIR/.last-branch"
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LOG_DIR="$SCRIPT_DIR/logs"
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mkdir -p "$LOG_DIR"
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# Archive previous run if branch changed
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if [ -f "$PRD_FILE" ] && [ -f "$LAST_BRANCH_FILE" ]; then
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CURRENT_BRANCH=$(jq -r '.branchName // empty' "$PRD_FILE" 2>/dev/null || echo "")
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LAST_BRANCH=$(cat "$LAST_BRANCH_FILE" 2>/dev/null || echo "")
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if [ -n "$CURRENT_BRANCH" ] && [ -n "$LAST_BRANCH" ] && [ "$CURRENT_BRANCH" != "$LAST_BRANCH" ]; then
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DATE=$(date +%Y-%m-%d)
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FOLDER_NAME=$(echo "$LAST_BRANCH" | sed 's|^ralph/||')
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ARCHIVE_FOLDER="$ARCHIVE_DIR/$DATE-$FOLDER_NAME"
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echo "Archiving previous run: $LAST_BRANCH"
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mkdir -p "$ARCHIVE_FOLDER"
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[ -f "$PRD_FILE" ] && cp "$PRD_FILE" "$ARCHIVE_FOLDER/"
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[ -f "$PROGRESS_FILE" ] && cp "$PROGRESS_FILE" "$ARCHIVE_FOLDER/"
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echo " Archived to: $ARCHIVE_FOLDER"
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echo "# Ralph Progress Log" > "$PROGRESS_FILE"
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echo "Started: $(date)" >> "$PROGRESS_FILE"
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echo "---" >> "$PROGRESS_FILE"
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fi
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fi
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# Track current branch
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if [ -f "$PRD_FILE" ]; then
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CURRENT_BRANCH=$(jq -r '.branchName // empty' "$PRD_FILE" 2>/dev/null || echo "")
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if [ -n "$CURRENT_BRANCH" ]; then
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echo "$CURRENT_BRANCH" > "$LAST_BRANCH_FILE"
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fi
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fi
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# Initialize progress file if it doesn't exist
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if [ ! -f "$PROGRESS_FILE" ]; then
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echo "# Ralph Progress Log" > "$PROGRESS_FILE"
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echo "Started: $(date)" >> "$PROGRESS_FILE"
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echo "---" >> "$PROGRESS_FILE"
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fi
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echo "Starting Ralph - Tool: $TOOL - Max iterations: $MAX_ITERATIONS"
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for i in $(seq 1 $MAX_ITERATIONS); do
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echo ""
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echo "==============================================================="
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echo " Ralph Iteration $i of $MAX_ITERATIONS ($TOOL)"
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echo "==============================================================="
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ITER_START=$(date +%s)
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printf " \033[0;90mStarted: $(date +%H:%M:%S)\033[0m\n"
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RAW_LOG="$LOG_DIR/iteration_${i}.raw.jsonl"
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TEXT_LOG="$LOG_DIR/iteration_${i}.log"
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> "$RAW_LOG"
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> "$TEXT_LOG"
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if [[ "$TOOL" == "amp" ]]; then
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OUTPUT=$(cat "$SCRIPT_DIR/prompt.md" | amp --dangerously-allow-all 2>&1 | tee /dev/stderr) || true
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else
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# Stream JSON output from Claude CLI
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# CLI stream-json format: each line is a complete message with type "system"|"assistant"|"user"
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# assistant messages have .message.content[] with blocks of type "text" or "tool_use"
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PROMPT_CONTENT=$(cat "$SCRIPT_DIR/CLAUDE.md")
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echo "$PROMPT_CONTENT" \
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| claude --dangerously-skip-permissions --print --verbose --output-format stream-json 2>&1 \
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| tee "$RAW_LOG" \
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| while IFS= read -r line; do
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[[ -z "$line" ]] && continue
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# Extract event type — skip non-JSON lines
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evt_type=$(echo "$line" | jq -r '.type // empty' 2>/dev/null) || continue
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if [[ "$evt_type" == "assistant" ]]; then
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# Extract tool names from tool_use blocks
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tools=$(echo "$line" | jq -r '.message.content[] | select(.type == "tool_use") | .name' 2>/dev/null)
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if [[ -n "$tools" ]]; then
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while IFS= read -r tool_name; do
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printf " \033[0;36m[%s]\033[0m\n" "$tool_name"
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done <<< "$tools"
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fi
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# Extract and display text blocks
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text=$(echo "$line" | jq -r '.message.content[] | select(.type == "text") | .text' 2>/dev/null)
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if [[ -n "$text" ]]; then
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printf "%s\n" "$text"
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printf "%s\n" "$text" >> "$TEXT_LOG"
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fi
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elif [[ "$evt_type" == "result" ]]; then
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# Handle result/error events
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subtype=$(echo "$line" | jq -r '.subtype // empty' 2>/dev/null)
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if [[ "$subtype" == "error_result" ]]; then
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error_msg=$(echo "$line" | jq -r '.error // empty' 2>/dev/null)
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printf " \033[0;31m[ERROR] %s\033[0m\n" "$error_msg"
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fi
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fi
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done || true
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echo "" # Newline after streamed output
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fi
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# Show elapsed time
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ITER_END=$(date +%s)
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ELAPSED=$((ITER_END - ITER_START))
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ELAPSED_MIN=$((ELAPSED / 60))
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ELAPSED_SEC=$((ELAPSED % 60))
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printf " \033[0;90mFinished: $(date +%H:%M:%S) (elapsed: ${ELAPSED_MIN}m${ELAPSED_SEC}s)\033[0m\n"
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# Check for completion signal in raw log and text log
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if grep -q "<promise>COMPLETE</promise>" "$RAW_LOG" 2>/dev/null || \
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grep -q "<promise>COMPLETE</promise>" "$TEXT_LOG" 2>/dev/null; then
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echo ""
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printf "\033[0;32mRalph completed all tasks!\033[0m\n"
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echo "Completed at iteration $i of $MAX_ITERATIONS"
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exit 0
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fi
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echo "Iteration $i complete. Continuing..."
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sleep 2
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done
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echo ""
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echo "Ralph reached max iterations ($MAX_ITERATIONS) without completing all tasks."
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echo "Check $PROGRESS_FILE for status."
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exit 1
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