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Allow using a command other than ssh for each host #8

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19 changes: 15 additions & 4 deletions tmux-cssh
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
#!/bin/sh

hosts=""
ssh_cmd="ssh"
ssh_options=""
tmux_name="cssh"
tmux_attach_current_session="false"
Expand All @@ -14,6 +15,7 @@ usage() {
echo " -h Show help" >&2
echo " -c Use the current tmux session and just spawn a new window instead" >&2
echo " -n <name> Name of the tmux session or window (default: cssh)" >&2
echo " -s <ssh> Command to use instead of ssh (e.g. ssh-copy-id)" >&2
echo " -o <ssh args> Additional SSH arguments" >&2
}

Expand All @@ -32,6 +34,15 @@ while [ $# -ne 0 ]; do
tmux_attach_current_session="true"
shift
;;
-s)
shift
if [ $# -eq 0 ]; then
usage
exit 2
fi
ssh_cmd="$1"
shift
;;
-o)
shift
if [ $# -eq 0 ]; then
Expand Down Expand Up @@ -93,19 +104,19 @@ fi
# Open a new session and split into new panes for each SSH session
for host in ${hosts}; do
if ! tmux has-session -t "${tmux_session}" 2>/dev/null; then
tmux new-session -s "${tmux_session}" -d "ssh ${ssh_options} ${host}"
tmux new-session -s "${tmux_session}" -d "${ssh_cmd} ${ssh_options} ${host}"
elif [ "${tmux_attach_current_session}" = "true" ]; then
if ! tmux list-windows -F "#W" | grep -q "${tmux_window}" >/dev/null; then
# shellcheck disable=SC2086
tmux new-window ${tmux_window_options} "ssh ${ssh_options} ${host}"
tmux new-window ${tmux_window_options} "${ssh_cmd} ${ssh_options} ${host}"
else
tmux split-window -t "${tmux_window}" -d "ssh ${ssh_options} ${host}"
tmux split-window -t "${tmux_window}" -d "${ssh_cmd} ${ssh_options} ${host}"
# We have to reset the layout after each new pane otherwise the panes
# quickly become too small to spawn any more
tmux select-layout -t "${tmux_session}" tiled
fi
else
tmux split-window -t "${tmux_session}" -d "ssh ${ssh_options} ${host}"
tmux split-window -t "${tmux_session}" -d "${ssh_cmd} ${ssh_options} ${host}"
# We have to reset the layout after each new pane otherwise the panes
# quickly become too small to spawn any more
tmux select-layout -t "${tmux_session}" tiled
Expand Down