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#!/bin/bash | |
set -eu | |
PANE_MINIMUM=2 | |
usage() { | |
cat <<USAGE | |
Usage: $(basename $0) [-c COL] [-r ROW] [--ssh-option SSH_OPTIONS] HOST [HOST2 ...] | |
-c, --col int The number of columns | |
-h, --help Show this message | |
-r, --row int The number of rows | |
--ssh-option string Options passed to SSH | |
USAGE | |
} | |
build_cmd() { | |
local host=$1 | |
local ssh_option=$2 | |
cmd="ssh $ssh_option $host" | |
# Sleep a little to display error messages like "Permission denied (publickey)." | |
echo "echo $ $cmd && $cmd || sleep 2" | |
} | |
# Parse options | |
hosts=() | |
ssh_option="" | |
tiled=false | |
while (( $# > 0 )); do | |
case $1 in | |
-c|--col) | |
if [ -n "${row-}" ]; then | |
echo -e "Can't specify both of 'col' and 'row'\n" >&2 | |
exit 1 | |
fi | |
col=$2; shift 2;; | |
-h|--help) | |
usage | |
exit;; | |
-r|--row) | |
if [ -n "${col-}" ]; then | |
echo -e "Can't specify both of 'col' and 'row'\n" >&2 | |
exit 1 | |
fi | |
row=$2; shift 2;; | |
--ssh-option) | |
ssh_option=$2; shift 2;; | |
-*) | |
echo -e "Unknown option: $1\n" >&2 | |
usage | |
exit 1;; | |
*) | |
hosts+=($1); shift;; | |
esac | |
done | |
if (( ${#hosts[@]} == 0 )); then | |
echo -e "No hosts specified\n" >&2 | |
usage | |
exit 1 | |
fi | |
if [ -n "${row-}" ]; then | |
col=$(( (${#hosts[@]} + $row - 1) / $row )) | |
elif [ -n "${col-}" ]; then | |
row=$(( (${#hosts[@]} + $col - 1) / $col )) | |
else | |
col=${#hosts[@]} | |
row=1 | |
tiled=true | |
fi | |
# Split windows | |
host=${hosts[0]} | |
cmd=$(build_cmd $host "$ssh_option") | |
if [ -z "${TMUX-}" ]; then | |
tmux new-session -d "$cmd" | |
else | |
tmux new-window "$cmd" | |
fi | |
declare $(tmux display -p 'window_width=#{window_width} window_height=#{window_height}') | |
pane_width=$(( ($window_width - $col + 1) / $col )) | |
pane_height=$(( ($window_height - $row + 1) / $row )) | |
for (( r = 0; r < row - 1; ++r )); do | |
host=${hosts[$(( $col * ($r + 1) ))]} | |
cmd=$(build_cmd $host "$ssh_option") | |
tmux split-window -v -l $pane_height -d "$cmd" | |
done | |
for (( r = 0; r < row; ++r )); do | |
for (( c = 0; c < col - 1; ++c )); do | |
idx=$(( $col * $r + $c + 1 )) | |
(( $idx == ${#hosts[@]})) && break | |
host=${hosts[$idx]} | |
cmd=$(build_cmd $host "$ssh_option") | |
tmux split-window -h -l $pane_width -d -t $(( $col * $r )) "$cmd" | |
done | |
done | |
[ "$tiled" = "true" ] && tmux select-layout tiled | |
tmux set-window-option synchronize-panes on | |
[ -z "${TMUX-}" ] && tmux attach-session |
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fishを使っていたり paneのbase_indexを1にしている場合うまく動かなかったので、修正したものを貼っておきます。