113 lines
3.4 KiB
Bash
113 lines
3.4 KiB
Bash
#!/bin/bash
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# tmux-oneshot.sh
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# Run a single command in a tmux session
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# Built-in prompt patterns (command_pattern:prompt_pattern:timeout_seconds)
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PROMPT_PATTERNS=(
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"ssh*:Password|password:5"
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"sudo*:Password|password|\\[sudo\\] password for:5"
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"su*:Password|password:5"
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"mysql*:Enter password:3"
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"docker*:Password:2"
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)
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# Generic function to wait for prompts based on command patterns
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wait_for_prompt() {
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local cmd="$1"
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# Find matching pattern for this command
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for pattern in "${PROMPT_PATTERNS[@]}"; do
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IFS=':' read -r cmd_pattern prompt_pattern timeout <<< "$pattern"
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if [[ "$cmd" == $cmd_pattern ]]; then
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echo "Waiting for prompt: $prompt_pattern (timeout: ${timeout}s)"
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timeout=$((timeout * 10)) # Convert to 0.1s intervals
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while [ $timeout -gt 0 ] && ! tmux capture-pane -t $SESSION -p | tail -3 | grep -E "($prompt_pattern)" >/dev/null 2>&1; do
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sleep 0.1
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timeout=$((timeout - 1))
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done
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if [ $timeout -eq 0 ]; then
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echo "Timeout waiting for prompt: $prompt_pattern"
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fi
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return
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fi
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done
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# No pattern matched, brief pause
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sleep 0.5
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}
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# Load config file if it exists
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SCRIPT_DIR=$(dirname "$0")
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SCRIPT_NAME=$(basename "$0" .sh)
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CONFIG_FILE="${SCRIPT_DIR}/${SCRIPT_NAME}.conf"
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if [ -f "$CONFIG_FILE" ]; then
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echo "Loading config from $CONFIG_FILE"
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source "$CONFIG_FILE"
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else
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echo "Config file $CONFIG_FILE not found, generating template..."
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cat > "$CONFIG_FILE" << 'EOF'
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# tmux-oneshot.conf
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# Configuration file for tmux-oneshot.sh
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# Session name (leave empty to use first word of command)
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SESSION=""
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# For multiple commands, use an array:
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# COMMANDS=("ssh root@server" "sudo su" "password123")
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COMMANDS=()
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# Whether to attach to session after running command (0 or 1)
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ATTACH_SESSION=0
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EOF
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echo "Generated $CONFIG_FILE with default values. Please edit and run again."
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exit 0
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fi
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# Validate required variables
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if [ -z "$SESSION" ] && [ ${#COMMANDS[@]} -eq 0 ]; then
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echo "Error: Either SESSION or COMMANDS must be set in $CONFIG_FILE" >&2
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exit 1
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fi
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# Use command line arguments if provided, otherwise use config
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if [ $# -gt 0 ]; then
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COMMANDS=("$*")
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echo "Using command line arguments: $*"
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else
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if [ ${#COMMANDS[@]} -eq 0 ]; then
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echo "Error: No commands provided and no commands set in config" >&2
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exit 1
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fi
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echo "Using config commands: ${COMMANDS[*]}"
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fi
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# Use session name from config, or first word of first command if not set
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if [ -z "$SESSION" ]; then
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SESSION=$(echo "${COMMANDS[0]}" | awk '{print $1}')
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fi
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# Create session if missing
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if ! tmux has-session -t $SESSION 2>/dev/null; then
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echo "Creating tmux session: $SESSION"
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tmux new-session -d -s $SESSION
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else
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echo "Session $SESSION exists, reusing..."
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fi
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# Send commands individually with proper timing
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echo "Running commands: ${COMMANDS[*]}"
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for i in "${!COMMANDS[@]}"; do
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cmd="${COMMANDS[$i]}"
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echo "Running: $cmd"
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tmux send-keys -t $SESSION "$cmd" C-m
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# Only wait if there is a subsequent command
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if [ $i -lt $((${#COMMANDS[@]} - 1)) ]; then
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# Wait for command to complete or prompt for input with timeout
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wait_for_prompt "$cmd"
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fi
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done
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if [ $ATTACH_SESSION -eq 1 ]; then
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echo "Attaching to tmux session: $SESSION"
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tmux attach -t $SESSION
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fi |