tmux-continuum/scripts/helpers.sh

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2015-02-11 14:43:37 +00:00
get_tmux_option() {
local option="$1"
local default_value="$2"
local option_value=$(tmux show-option -gqv "$option")
if [ -z "$option_value" ]; then
echo "$default_value"
else
echo "$option_value"
fi
}
set_tmux_option() {
local option="$1"
local value="$2"
tmux set-option -gq "$option" "$value"
}
# multiple tmux server detection helpers
current_tmux_server_pid() {
echo "$TMUX" |
cut -f2 -d","
}
all_tmux_processes() {
# search for "^tmux " cause there can be some other running scripts,
# whose name starts with "tmux" for eg "tmux-mem-cpu-load"
# ignores `tmux source-file .tmux.conf` command used to reload tmux.conf
ps -Ao "command pid" |
\grep "^tmux " |
\grep -v "^tmux source"
}
number_tmux_processes_except_current_server() {
all_tmux_processes |
\grep -v " $(current_tmux_server_pid)$" |
wc -l |
sed "s/ //g"
}
number_current_server_client_processes() {
tmux list-clients |
wc -l |
sed "s/ //g"
}
another_tmux_server_running_on_startup() {
# there are 2 tmux processes (current tmux server + 1) on tmux startup
[ "$(number_tmux_processes_except_current_server)" -gt 1 ]
}