Gahow Wang
76b2ac69f8
Keep the global window-size=latest policy for linked web and iOS sessions so switching between phone and Mac sends SIGWINCH and reflows the shared pane.
58 lines
2.0 KiB
Bash
Executable File
58 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# Attach a browser (via ttyd) to a single tmux window by linking it into a
|
|
# private temporary session. Unlike grouped sessions, link-window leaves no
|
|
# permanent group label on the source session, and each browser tab gets an
|
|
# independent view (own active window, own status setting).
|
|
# Usage: tmux-web-attach.sh <session> [window-index]
|
|
set -euo pipefail
|
|
|
|
sess="${1:-}"
|
|
win="${2:-}"
|
|
|
|
if [ -z "$sess" ]; then
|
|
echo "missing session. open this page from the kanban Live Agents panel."
|
|
sleep 2
|
|
exit 1
|
|
fi
|
|
|
|
# Only accept existing session names; never interpret arbitrary input.
|
|
if ! tmux list-sessions -F '#{session_name}' 2>/dev/null | grep -Fxq -- "$sess"; then
|
|
echo "unknown session: $sess"
|
|
sleep 2
|
|
exit 1
|
|
fi
|
|
|
|
# Default to the session's active window; validate the index either way.
|
|
if [ -z "$win" ]; then
|
|
win="$(tmux display-message -p -t "$sess" '#{window_index}')"
|
|
fi
|
|
if ! tmux list-windows -t "$sess" -F '#{window_index}' | grep -Fxq -- "$win"; then
|
|
echo "unknown window: $sess:$win"
|
|
sleep 2
|
|
exit 1
|
|
fi
|
|
|
|
src="$sess:$win"
|
|
tmp="web-$$-$RANDOM"
|
|
|
|
tmux new-session -d -s "$tmp" -x 220 -y 60
|
|
tmux set-option -t "$tmp" status off
|
|
# mouse on (session-scoped, local clients unaffected): wheel / touch scrolling
|
|
# from the browser enters copy-mode and scrolls history naturally, no prefix keys.
|
|
tmux set-option -t "$tmp" mouse on
|
|
# Replace the placeholder window with a link to the target window (-k kills the placeholder).
|
|
first="$(tmux display-message -p -t "$tmp" '#{window_index}')"
|
|
tmux link-window -k -s "$src" -t "$tmp:$first"
|
|
|
|
# A tmux window has one size shared by every viewer. Keep the global
|
|
# "window-size latest" policy so the most recently active Mac, web, or iOS
|
|
# client owns that size and full-screen programs receive SIGWINCH to reflow.
|
|
|
|
cleanup() {
|
|
tmux kill-session -t "$tmp" 2>/dev/null || true
|
|
}
|
|
trap cleanup EXIT HUP TERM INT
|
|
|
|
# destroy-unattached must be set only after attaching (it kills detached sessions instantly).
|
|
tmux attach -t "$tmp" \; set-option destroy-unattached on
|