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#!/bin/sh
TMUX_SSH_HISTFILE="$XDG_STATE_HOME/tmux_ssh_history"
write_hist() {
sed -i -e "/^$1\$/d" -e "\$a$1" "$TMUX_SSH_HISTFILE" ||
echo "$1" >"$TMUX_SSH_HISTFILE"
}
if [ "$#" -eq 0 ]; then
ATTACHED=$(tmux display -p '#{?#{m:*ssh,#{socket_path}},#S,#{host}}' 2>/dev/null)
HOST=$(tmux display -p '#h' 2>/dev/null)
set -- "$(
tac "$TMUX_SSH_HISTFILE" |
sed "/^${ATTACHED}\$/d" |
fzf-tmux -p20%,20% -- --print-query -d/ --with-nth -1 |
tail -1
)"
fi
if [ -z "$1" ]; then
exit 0
fi
target="$1"
if [ "$target" = "$HOST" ]; then
tmux detach -E 'tmux new -A'
else
if ! tmux -L ssh has-session -t "$target"; then
ssh localhost -- :
tmux -L ssh new-session -ds "$target" ssh -t "$target" "zsh -l -c 'tmux new -A'"
fi
if [ -z "$TMUX" ]; then
tmux -L ssh attach -t "$target" || exit 0
else
tmux detach -E "tmux -L ssh attach -t $target" || exit 0
fi
fi
if [ "$ATTACHED" = "$HOST" ] && ! grep -q "$HOST" "$TMUX_SSH_HISTFILE"; then
write_hist "$HOST"
fi
write_hist "$target"
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