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136 lines
3.9 KiB
Bash
Executable File
136 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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## SPDX-FileCopyrightText: 2023 Benjamin Grande M. S. <ben.grande.b@gmail.com>
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##
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## SPDX-License-Identifier: AGPL-3.0-or-later
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set -eu
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command -v tmux >/dev/null || exit 1
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: "${TMUX:=}"
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session="${1:-}"
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## Attach to session if it exists or not and from inside tmux or not.
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## If name is supplied and doesn't exist, create session with given name.
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## If no name is supplied and there is last session, switch client to it,
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## else ask for the user to choose the wanted session.
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## usage: ta SESSION ARGS
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## example: ta dotfiles -d
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new(){
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## Session name was not specified.
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list="$(tmux list-sessions 2>/dev/null)"
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printf '%s\n' "Choose session or create one by providing a new name:"
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if test -n "${list}"; then
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printf '\n%s\n' "${list}"
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fi
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printf '\n%s' "Enter session name: "
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read -r name
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if test -z "${name}"; then
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printf '%s\n' "Name cannot be empty."
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return 1
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fi
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}
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main(){
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if test -n "${TMUX}"; then
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## Inside tmux.
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if test "${session}" && tmux has-session -t "${session}" >/dev/null 2>&1
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then
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## Session name was specified and it exists.
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tmux switch-client -t "${session}"
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tmux display-message "Switched to session ${session}"
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elif test -n "${session}"; then
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## Session name was specified but it doesn't exist.
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tmux new-session -d -s "${session}"
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tmux switch-client -t "${session}"
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tmux display-message "Created and switched to session ${session}"
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else
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## Session name was not specified.
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last="$(tmux display-message -p "#{client_last_session}")"
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if test -n "${last}" && tmux has-session -t "${last}"; then
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## If tmux has a last session, use it.
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tmux switch-client -t "${last}"
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tmux display-message "Switched to session ${last}"
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else
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## No last session, choose one or create one.
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printf '%s\n' "Last session not found."
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new
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if tmux has-session -t "${name}" 2>/dev/null; then
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## Chosen session exists.
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tmux switch-client -t "${name}"
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tmux display-message "Switched to session ${name}"
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else
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## Chosen session doesn't exist.
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tmux new-session -d -s "${name}"
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tmux switch-client -t "${name}"
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tmux display-message "Created and switched to session ${name}"
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fi
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fi
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fi
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else
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## Outside of tmux.
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if test -n "${session}" && ! tmux list-sessions >/dev/null 2>&1; then
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## Session name was specified but server is not running.
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tmux new-session -s "${session}"
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tmux display-message "Created session ${session}"
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return 0
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elif ! tmux list-sessions >/dev/null 2>&1; then
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## Server is not running.
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new
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tmux new-session -s "${name}"
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tmux display-message "Created session ${name}"
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return 0
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fi
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if test "${session}" && tmux has-session -t "${session}" >/dev/null 2>&1
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then
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## Session name was specified and it exists.
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tmux attach-session -t "${session}"
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tmux display-message "Attached to session ${session}"
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elif test -n "${session}"; then
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## Session name was specified but it doesn't exist.
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tmux new-session -s "${session}"
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tmux display-message "Created new session ${session}"
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else
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## Session name was not specified.
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last="$(tmux display-message -p "#{session_name}")"
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if test -n "${last}" && tmux has-session -t "${last}"; then
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## If tmux has a session name, use it.
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tmux attach-session -t "${last}"
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tmux display-message "Attached to session ${last}"
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else
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new
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if tmux has-session -t "${name}" 2>/dev/null; then
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## Chosen session exists.
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tmux attach-session -t "${name}"
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tmux display-message "Attached to session ${name}"
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else
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## Chosen session doesn't exist.
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tmux new-session -s "${name}"
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tmux display-message "Created session ${name}"
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fi
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fi
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fi
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fi
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}
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main "${@}"
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