forked from ahurac/dotfiles
91 lines
1.4 KiB
Bash
Executable file
91 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
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# cd to the local VNC directory, exit if it fails
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cd "${HOME}/.vnc" || exit 5
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# Variables
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file_base="./$(hostname):1."
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verbs="start|status|stop|restart|help"
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echol() {
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col="$1"
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shift
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printf '\033['"${col}"'m%s\033[0m\n' "$*"
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}
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error() {
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>&2 printf '\033[1;31m%s\033[0m %s\n' "ERROR:" "$1"
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shift
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exit "$1"
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}
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help() {
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name="$(basename "$0")"
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cat << EOF
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${name} - Start a VNC server
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Usage:
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${name} ${verbs}
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EOF
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}
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usage() {
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>&2 help
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error "Invalid usage: ${1}" 1
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}
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is_running() {
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vncserver -list | grep -q '^:1'
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}
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start() {
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if ! is_running; then
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set -e
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vncserver > /dev/null
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echo 'export DISPLAY=:1;'
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else
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error "The VNC server is already running!" 4
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fi
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}
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status() {
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log_f="${file_base}log"
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if is_running; then
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echol '1;32' "The VNC server is running."
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tail "$log_f"
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else
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echol '1;31' "The VNC server is not running."
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fi
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}
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stop() {
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if is_running; then
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vncserver -kill :1
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else
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error "The VNC server is not running!" 3
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fi
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}
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restart() {
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stop
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start
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}
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# Argument parsing
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set -e; trap 'set +e; error "$error" "$?"' EXIT
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error="You must give an argument"
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[ -n "$1" ]; arg="$1"; shift
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unset error
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set +e; trap - EXIT
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# Main case statement
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case "$arg" in
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status|start|stop|restatr|help)
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"$arg"
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;;
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*)
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usage "Invalid argument \"$arg\""
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;;
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esac
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