100 lines
2.9 KiB
Bash
100 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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#===============================================================================
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#
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# created: 2015-09-09
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# updated: 2026-07-21
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# usage: tm [session_name]
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# desc: Interactive and declarative tmux session manager.
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# notes:
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# author: chawley
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#
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#===============================================================================
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set -euo pipefail
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readonly TMUX_CONF="${HOME}/.tmux.conf.aamon"
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# Ensure we are not nesting tmux sessions
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if [[ -n "${TMUX:-}" ]]; then
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echo "Error: Already inside a tmux session. Nesting is disabled." >&2
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exit 1
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fi
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# Define session layouts as data maps: "window_index:window_name:command"
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# Field separator is ';' to safely allow command chains (&&, ;, etc.) inside field 3.
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# Index 1 is reserved for the initial session window.
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declare -A SESSIONS
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SESSIONS[mine]="
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1;local(phansible@aamon);
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2;phansible@overlook;exec ssh phansible@overlook.tailc38dc9.ts.net
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3;weechat;ssh -t overlook-ts 'docker start -ai weechat'
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4;chawley@overlook;exec ssh overlook-ts
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5;chawley@shawshank;exec ssh shawshank-ts
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6;root@derry;exec ssh derry-ts
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"
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list_active_sessions() {
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echo "----------------------------------"
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echo "Active Tmux Sessions"
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echo "----------------------------------"
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if tmux has-session 2>/dev/null; then
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tmux list-sessions
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else
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echo "No active tmux sessions."
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fi
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}
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# Resolve target session (argument or fuzzy picker via fzf if available)
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session="${1:-}"
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if [[ -z "${session}" ]]; then
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if command -v fzf &>/dev/null; then
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session=$(printf '\%s\n' "${!SESSIONS[@]}" | fzf --prompt="Select Tmux Session > " --height=10 --reverse || true)
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fi
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fi
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if [[ -z "${session}" ]]; then
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echo "Usage: $(basename "$0") <session_name>"
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echo ""
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list_active_sessions
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exit 1
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fi
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if [[ -z "${SESSIONS[$session]:-}" ]]; then
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echo "Error: Unknown session layout '${session}'" >&2
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echo ""
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list_active_sessions
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exit 1
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fi
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# Attach if session exists; otherwise construct and attach
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if tmux has-session -t "=${session}" 2>/dev/null; then
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echo "Attaching to existing session: ${session}"
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exec tmux -f "${TMUX_CONF}" attach-session -t "=${session}"
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fi
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echo "Building session: ${session}"
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# Process layout line by line using semicolon delimiter
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first_window=true
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while IFS=';' read -r idx name cmd; do
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[[ -z "${idx}" ]] && continue
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if [[ "${first_window}" == true ]]; then
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tmux -f "${TMUX_CONF}" new-session -d -s "${session}" -n "${name}"
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if [[ -n "${cmd}" ]]; then
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tmux send-keys -t "=${session}:1" "${cmd}" C-m
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fi
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first_window=false
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else
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if [[ -n "${cmd}" ]]; then
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tmux -f "${TMUX_CONF}" new-window -t "=${session}:${idx}" -n "${name}" "${cmd}"
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else
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tmux -f "${TMUX_CONF}" new-window -t "=${session}:${idx}" -n "${name}"
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fi
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fi
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done <<< "${SESSIONS[$session]}"
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exec tmux -f "${TMUX_CONF}" attach-session -t "=${session}"
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