tuxguitar

   1 #!/usr/bin/env bash
   2
   3 #=======================================================================
   4 # tuxguitar
   5 # File ID: 335cff5c-df3e-11e5-91a8-99c8fc62a08c
   6 #
   7 # Wrapper to start TuxGuitar.
   8 #
   9 # Author: Øyvind A. Holm <sunny@sunbase.org>
  10 # License: GNU General Public License version 2 or later.
  11 #=======================================================================
  12
  13 progname=tuxguitar
  14 VERSION=0.1.0
  15
  16 ARGS="$(getopt -o "\
  17 h\
  18 q\
  19 v\
  20 " -l "\
  21 help,\
  22 quiet,\
  23 verbose,\
  24 version,\
  25 " -n "$progname" -- "$@")"
  26 test "$?" = "0" || exit 1
  27 eval set -- "$ARGS"
  28
  29 opt_help=0
  30 opt_quiet=0
  31 opt_verbose=0
  32 while :; do
  33     case "$1" in
  34         -h|--help) opt_help=1; shift ;;
  35         -q|--quiet) opt_quiet=$(($opt_quiet + 1)); shift ;;
  36         -v|--verbose) opt_verbose=$(($opt_verbose + 1)); shift ;;
  37         --version) echo $progname $VERSION; exit 0 ;;
  38         --) shift; break ;;
  39         *) echo $progname: Internal error >&2; exit 1 ;;
  40     esac
  41 done
  42 opt_verbose=$(($opt_verbose - $opt_quiet))
  43
  44 prgdir=/usr/local/prg/tuxguitar
  45
  46 if test "$opt_help" = "1"; then
  47     test $opt_verbose -gt 0 && { echo; echo $progname $VERSION; }
  48     cat <<END
  49
  50 Start TuxGuitar from everywhere on the system. Expects tuxguitar.sh to
  51 be stored in $prgdir/ .
  52
  53 Usage: $progname [options]
  54
  55 Options:
  56
  57   -h, --help
  58     Show this help.
  59   -q, --quiet
  60     Be more quiet. Can be repeated to increase silence.
  61   -v, --verbose
  62     Increase level of verbosity. Can be repeated.
  63   --version
  64     Print version information.
  65
  66 END
  67     exit 0
  68 fi
  69
  70 if test -e "$prgdir/tuxguitar.sh"; then
  71     cd "$prgdir" || {
  72         echo $progname: Cannot chdir to /usr/local/prg/tuxguitar/ >&2
  73         exit 1
  74     }
  75     ./tuxguitar.sh "$@"
  76 else
  77     echo $progname: $prgdir/tuxguitar.sh not found >&2
  78     exit 1
  79 fi