mirror of
https://github.com/tmux-plugins/tmux-resurrect.git
synced 2024-11-05 10:28:50 +00:00
79 lines
1.9 KiB
Bash
Executable File
79 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
VERSION="$1"
|
|
UNSUPPORTED_MSG="$2"
|
|
|
|
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
|
|
}
|
|
|
|
# Ensures a message is displayed for 5 seconds in tmux prompt.
|
|
# Does not override the 'display-time' tmux option.
|
|
display_message() {
|
|
local message="$1"
|
|
|
|
# display_duration defaults to 5 seconds, if not passed as an argument
|
|
if [ "$#" -eq 2 ]; then
|
|
local display_duration="$2"
|
|
else
|
|
local display_duration="5000"
|
|
fi
|
|
|
|
# saves user-set 'display-time' option
|
|
local saved_display_time=$(get_tmux_option "display-time" "750")
|
|
|
|
# sets message display time to 5 seconds
|
|
tmux set-option -gq display-time "$display_duration"
|
|
|
|
# displays message
|
|
tmux display-message "$message"
|
|
|
|
# restores original 'display-time' value
|
|
tmux set-option -gq display-time "$saved_display_time"
|
|
}
|
|
|
|
# this is used to get "clean" integer version number. Examples:
|
|
# `tmux 1.9` => `19`
|
|
# `1.9a` => `19`
|
|
get_digits_from_string() {
|
|
local string="$1"
|
|
local only_digits="$(echo "$string" | tr -dC '[:digit:]')"
|
|
echo "$only_digits"
|
|
}
|
|
|
|
tmux_version_int() {
|
|
local tmux_version_string=$(tmux -V)
|
|
echo "$(get_digits_from_string "$tmux_version_string")"
|
|
}
|
|
|
|
unsupported_version_message() {
|
|
if [ -n "$UNSUPPORTED_MSG" ]; then
|
|
echo "$UNSUPPORTED_MSG"
|
|
else
|
|
echo "Error, Tmux version unsupported! Please install Tmux version $VERSION or greater!"
|
|
fi
|
|
}
|
|
|
|
exit_if_unsupported_version() {
|
|
local current_version="$1"
|
|
local supported_version="$2"
|
|
if [ "$current_version" -lt "$supported_version" ]; then
|
|
display_message "$(unsupported_version_message)"
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
main() {
|
|
local supported_version_int="$(get_digits_from_string "$VERSION")"
|
|
local current_version_int="$(tmux_version_int)"
|
|
exit_if_unsupported_version "$current_version_int" "$supported_version_int"
|
|
}
|
|
main
|