nudge/attach.sh at main · cottrell/nudge · GitHub

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#!/usr/bin/env bash
# Usage: ./attach.sh <session-or-target> <agent>
# Example: ./attach.sh claude_myproject_alice claude
set -e

if [ -z "$1" ] || [ -z "$2" ]; then
    echo "Usage: $0 <session-or-target> <agent>"
    echo "  session-or-target  tmux session or pane target (e.g. claude_myproject_alice or claude_myproject_alice:0.0)"
    echo "  agent    claude, codex, copilot, gemini, vibe, qwen, antigravity"
    exit 1
fi

TARGET=$1
if [[ "$TARGET" != *:*.* ]]; then
    if [[ "$TARGET" != *:* ]]; then
        TARGET="${TARGET}:0.0"
    elif [[ "$TARGET" != *.* ]]; then
        TARGET="${TARGET}.0"
    fi
fi
SESSION=${TARGET%%:*}
AGENT=$2

# Socket name derived from full pane target for uniqueness
# Examples:
#   mysession       → /tmp/mysession_0-0.sock
#   mysession:0     → /tmp/mysession_0-0.sock
#   mysession:0.0   → /tmp/mysession_0-0.sock
#   mysession:1.2   → /tmp/mysession_1-2.sock
#   agents:0.0      → /tmp/agents_0-0.sock (pane grid friendly)
WINDOW_PANE="${TARGET#*:}"  # Strip session, keep window.pane
SOCK="/tmp/${SESSION}_${WINDOW_PANE}.sock"
DIR="$(cd "$(dirname "$0")" && pwd)"

tmux list-panes -t "$TARGET" >/dev/null 2>&1 || {
    echo "Target pane not found: $TARGET"
    exit 1
}

[ -x "$DIR/monitor-bin" ] || { echo "monitor-bin not found — run: make build"; exit 1; }
CMD="$DIR/monitor-bin"

DEBUG_FLAG=""
if [ -n "${MONITOR_DEBUG:-}" ]; then
    DEBUG_PATH="${MONITOR_DEBUG}"
    if [ "$DEBUG_PATH" = "1" ]; then
        # Use session_window-pane.raw for debug files
        DEBUG_PATH="/tmp/${SESSION}_${WINDOW_PANE}.raw"
    fi
    DEBUG_FLAG="--debug $DEBUG_PATH"
    echo "Debug log: $DEBUG_PATH"
fi

STATE_LOG_FLAG=""
if [ -n "${MONITOR_STATE_LOG:-}" ]; then
    STATE_LOG_PATH="${MONITOR_STATE_LOG}"
    if [ "$STATE_LOG_PATH" = "1" ]; then
        # Use session_window-pane.state.log for state logs
        STATE_LOG_PATH="/tmp/${SESSION}_${WINDOW_PANE}.state.log"
    fi
    STATE_LOG_FLAG="--state-log $STATE_LOG_PATH"
    echo "State log: $STATE_LOG_PATH"
fi

IDLE_SECS="${MONITOR_IDLE_SECS:-10}"
tmux pipe-pane -t "$TARGET" "$CMD --agent $AGENT --socket $SOCK --idle-secs $IDLE_SECS $DEBUG_FLAG $STATE_LOG_FLAG"
echo "Monitoring $TARGET → $SOCK"
echo "Idle after ${IDLE_SECS}s without pane output"
echo "Query: echo status | nc -U $SOCK"