2Shirt
b7c790438a
* Don't exit shells, just the function * Don't leave dangling tmux sessions if possible * Restore original session/window name if using an active tmux session
71 lines
2.3 KiB
Bash
Executable file
71 lines
2.3 KiB
Bash
Executable file
#!/bin/bash
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#
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## Wizard Kit: TMUX Launcher
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function ask() {
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while :; do
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read -p "$1 [Y/N] " -r answer
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if echo "$answer" | grep -Eiq '^(y|yes|sure)$'; then
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return 0
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elif echo "$answer" | grep -Eiq '^(n|no|nope)$'; then
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return 1
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fi
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done
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}
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function err () {
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echo "$0:" "$@" >&2
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return 1
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}
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function launch_in_tmux() {
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# Check for required vars
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[[ -n "${SESSION_NAME:-}" ]] || return $(err "Required variable missing (SESSION_NAME)")
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[[ -n "${WINDOW_NAME:-}" ]] || return $(err "Required variable missing (WINDOW_NAME)")
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[[ -n "${TMUX_CMD:-}" ]] || return $(err "Required variable missing (TMUX_CMD)")
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# Check for running session
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if tmux list-session | grep -q "$SESSION_NAME"; then
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echo "WARNING: tmux session $SESSION_NAME already exists."
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echo ""
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if ask "Connect to current session?"; then
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if [[ -n "${TMUX:-}" ]]; then
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# Running inside TMUX, switch to session
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tmux switch-client -t "$SESSION_NAME"
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if ! jobs %% >/dev/null 2>&1; then
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# No running jobs, try exiting abandoned tmux session
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exit 0
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fi
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else
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# Running outside TMUX, attach to session
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tmux attach-session -t "$SESSION_NAME"
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fi
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return 0
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elif ask "Kill current session and start new session?"; then
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tmux kill-session -t "$SESSION_NAME" || \
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die "Failed to kill session: $SESSION_NAME"
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else
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echo "Aborted."
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echo ""
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echo -n "Press Enter to exit... "
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read -r
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return 1
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fi
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fi
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# Start session
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if [[ -n "${TMUX:-}" ]]; then
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# Running inside TMUX, save current session/window names
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ORIGINAL_SESSION_NAME="$(tmux display-message -p '#S')"
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ORIGINAL_WINDOW_NAME="$(tmux display-message -p '#W')"
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tmux rename-session "$SESSION_NAME"
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tmux rename-window "$WINDOW_NAME"
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"$TMUX_CMD" "$@"
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# Restore previous session/window names
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tmux rename-session "${ORIGINAL_SESSION_NAME}"
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tmux rename-window "${ORIGINAL_WINDOW_NAME}"
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else
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# Running outside TMUX, start/attach to session
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tmux new-session -s "$SESSION_NAME" -n "$WINDOW_NAME" "$TMUX_CMD" "$@"
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fi
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}
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