Initial commit
This commit is contained in:
Zhongwei Li
224
tools/create-session.sh
Executable file
224
tools/create-session.sh
Executable file
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#!/usr/bin/env bash
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#
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# create-session.sh - Create and register tmux sessions
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#
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# Creates a new tmux session and optionally registers it in the session registry.
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# Supports launching different types of sessions (Python REPL, gdb, shell).
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#
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# Usage:
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# ./create-session.sh -n <name> [options]
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#
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# Options:
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# -n, --name Session name (required)
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# -S, --socket Custom socket path (optional, uses default)
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# -w, --window Window name (default: "shell")
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# --python Launch Python REPL with PYTHON_BASIC_REPL=1
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# --gdb Launch gdb
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# --shell Launch shell (default)
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# --no-register Don't add to registry
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# -h, --help Show this help message
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#
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# Exit codes:
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# 0 - Success
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# 1 - Invalid arguments
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# 2 - Session already exists
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# 3 - Tmux command failed
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# 4 - Registry operation failed
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set -euo pipefail
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# Get script directory to source registry library
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=lib/registry.sh
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source "$SCRIPT_DIR/lib/registry.sh"
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#------------------------------------------------------------------------------
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# Configuration
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#------------------------------------------------------------------------------
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# Defaults
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session_name=""
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socket=""
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window_name="shell"
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session_type="shell"
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launch_command="bash"
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register_session=true
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#------------------------------------------------------------------------------
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# Functions
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#------------------------------------------------------------------------------
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usage() {
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cat << EOF
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Usage: $(basename "$0") -n <name> [options]
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Create a new tmux session and optionally register it in the session registry.
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Options:
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-n, --name Session name (required)
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-S, --socket Custom socket path (optional, uses default)
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-w, --window Window name (default: "shell")
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--python Launch Python REPL with PYTHON_BASIC_REPL=1
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--gdb Launch gdb
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--shell Launch shell (default)
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--no-register Don't add to registry
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-h, --help Show this help message
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Session Types:
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--shell Launches bash (default)
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--python Launches Python REPL with PYTHON_BASIC_REPL=1
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--gdb Launches gdb debugger
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Examples:
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# Create Python REPL session (auto-registered)
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$(basename "$0") -n my-python --python
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# Create session with custom socket
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$(basename "$0") -n my-session -S /tmp/custom.sock --shell
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# Create session without registering
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$(basename "$0") -n temp-session --no-register
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Exit codes:
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0 - Success
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1 - Invalid arguments
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2 - Session already exists
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3 - Tmux command failed
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4 - Registry operation failed
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EOF
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}
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#------------------------------------------------------------------------------
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# Argument parsing
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#------------------------------------------------------------------------------
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if [[ $# -eq 0 ]]; then
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usage
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exit 1
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fi
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-n|--name)
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session_name="$2"
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shift 2
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;;
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-S|--socket)
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socket="$2"
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shift 2
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;;
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-w|--window)
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window_name="$2"
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shift 2
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;;
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--python)
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session_type="python-repl"
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launch_command="PYTHON_BASIC_REPL=1 python3 -q"
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shift
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;;
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--gdb)
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session_type="debugger"
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launch_command="gdb"
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shift
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;;
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--shell)
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session_type="shell"
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launch_command="bash"
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shift
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;;
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--no-register)
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register_session=false
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shift
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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echo "Error: Unknown option: $1" >&2
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usage
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exit 1
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;;
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esac
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done
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#------------------------------------------------------------------------------
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# Validation
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#------------------------------------------------------------------------------
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if [[ -z "$session_name" ]]; then
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echo "Error: Session name is required (use -n <name>)" >&2
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usage
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exit 1
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fi
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# Set default socket if not provided
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if [[ -z "$socket" ]]; then
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socket="$CLAUDE_TMUX_SOCKET_DIR/claude.sock"
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fi
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# Ensure socket directory exists
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socket_dir="$(dirname "$socket")"
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mkdir -p "$socket_dir"
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#------------------------------------------------------------------------------
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# Check if session already exists
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#------------------------------------------------------------------------------
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# Check in registry first
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if [[ "$register_session" == true ]] && registry_session_exists "$session_name"; then
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echo "Error: Session '$session_name' already exists in registry" >&2
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echo "Use a different name or remove the existing session first" >&2
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exit 2
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fi
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# Check if tmux session actually exists on this socket
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if tmux -S "$socket" has-session -t "$session_name" 2>/dev/null; then
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echo "Error: Tmux session '$session_name' already exists on socket $socket" >&2
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echo "Use a different name or kill the existing session first" >&2
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exit 2
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fi
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#------------------------------------------------------------------------------
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# Create tmux session
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#------------------------------------------------------------------------------
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if ! tmux -S "$socket" new-session -d -s "$session_name" -n "$window_name" "$launch_command" 2>/dev/null; then
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echo "Error: Failed to create tmux session '$session_name'" >&2
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exit 3
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fi
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# Get the session PID
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session_pid=$(tmux -S "$socket" display-message -p -t "$session_name" '#{pane_pid}' 2>/dev/null || echo "")
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# Build target (session:window.pane)
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target="$session_name:0.0"
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#------------------------------------------------------------------------------
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# Register session
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#------------------------------------------------------------------------------
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if [[ "$register_session" == true ]]; then
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if ! registry_add_session "$session_name" "$socket" "$target" "$session_type" "$session_pid"; then
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echo "Warning: Session created but failed to register in registry" >&2
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# Don't fail completely, session was created successfully
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fi
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fi
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#------------------------------------------------------------------------------
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# Output session info as JSON
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#------------------------------------------------------------------------------
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cat << EOF
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{
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"name": "$session_name",
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"socket": "$socket",
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"target": "$target",
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"type": "$session_type",
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"pid": ${session_pid:-null},
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"window": "$window_name",
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"registered": $register_session
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}
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EOF
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exit 0
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