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#!/bin/sh
set -eu
if [ "$#" -lt 1 ] || [ "$#" -gt 3 ]; then
echo "usage: tmux-popup-attach SESSION [DIRECTORY]" >&2
echo " tmux-popup-attach --basename DIRECTORY SESSION_SUFFIX" >&2
exit 2
fi
if [ "$1" = "--basename" ]; then
if [ "$#" -ne 3 ]; then
echo "usage: tmux-popup-attach --basename DIRECTORY SESSION_SUFFIX" >&2
exit 2
fi
directory=$2
session=$(basename "$directory")$3
else
if [ "$#" -gt 2 ]; then
echo "usage: tmux-popup-attach SESSION [DIRECTORY]" >&2
exit 2
fi
session=$1
directory=${2:-}
fi
if [ -n "${TMUX:-}" ]; then
tmux switch-client -t "=$session" 2>/dev/null && exit 0
else
tmux attach-session -t "=$session" 2>/dev/null && exit 0
fi
tmux list-sessions -F '#{session_name}:#{session_attached}' 2>/dev/null |
while IFS=: read -r name attached; do
case $name in
T*)
if [ "$attached" = 0 ]; then
echo "Killing $name"
tmux kill-session -t "=$name" || true
fi
;;
esac
done
if [ -n "$directory" ]; then
tmux new-session -d -s "$session" -c "$directory" 2>/dev/null || true
else
tmux new-session -d -s "$session" 2>/dev/null || true
fi
if [ -n "${TMUX:-}" ]; then
exec tmux -2 switch-client -t "=$session"
fi
exec tmux -2 attach-session -t "=$session"
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