create-ly

#!/usr/bin/env bash

#=======================================================================
# create-ly
# File ID: 09750024-f729-11e5-a74f-02010e0a6634
#
# Set up the initial files for a LilyPond project
#
# Author: Øyvind A. Holm <sunny@sunbase.org>
# License: GNU General Public License version 2 or later.
#=======================================================================

progname=create-ly
VERSION=0.2.1

ARGS="$(getopt -o "\
h\
q\
v\
" -l "\
help,\
quiet,\
verbose,\
version,\
" -n "$progname" -- "$@")"
test "$?" = "0" || exit 1
eval set -- "$ARGS"

opt_help=0
opt_quiet=0
opt_verbose=0
while :; do
    case "$1" in
        -h|--help) opt_help=1; shift ;;
        -q|--quiet) opt_quiet=$(($opt_quiet + 1)); shift ;;
        -v|--verbose) opt_verbose=$(($opt_verbose + 1)); shift ;;
        --version) echo $progname $VERSION; exit 0 ;;
        --) shift; break ;;
        *) echo $progname: Internal error >&2; exit 1 ;;
    esac
done
opt_verbose=$(($opt_verbose - $opt_quiet))

if test "$opt_help" = "1"; then
    test $opt_verbose -gt 0 && { echo; echo $progname $VERSION; }
    cat <<END

Set up the initial files for a LilyPond project

Usage: $progname [options] TYPE PROJECTNAME

Argument \$1 is the type of project. These values are accepted:
  band - pop/rock band with one vocal, two guitars, one bass, piano and 
         drums
  guitar - one guitar
  piano - standard setup for one piano

Argument \$2 is the name of the directory to create and the name of the 
main .ly file, which will be named "PROJECTNAME.ly".

Options:

  -h, --help
    Show this help.
  -q, --quiet
    Be more quiet. Can be repeated to increase silence.
  -v, --verbose
    Increase level of verbosity. Can be repeated.
  --version
    Print version information.

END
    exit 0
fi

if test -z "$2"; then
    echo $progname: I need two arguments with type and project name >&2
    exit 1
fi

projtype="$1"
projname="$2"

mkdir "$projname" || {
    echo $progname: $projname: Cannot create directory >&2
    exit 1
}
cd "$projname" || {
    echo $progname: $projname: Cannot chdir >&2
    exit 1
}

if test "$projtype" = "band"; then
    for f in bass drums guitar1 guitar2 piano-lower piano-upper vocal1; do
        std ly/$f.ily $f.ily -t "projname=$projname"
    done
    std ly/band.ly "$projname.ly" -t "projname=$projname"
elif test "$projtype" = "guitar"; then
    std ly/guitar.ily guitar.ily -t "projname=$projname"
    std ly/guitar.ly "$projname.ly" -t "projname=$projname"
elif test "$projtype" = "piano"; then
    std ly/piano-lower.ily piano-lower.ily -t "projname=$projname"
    std ly/piano-upper.ily piano-upper.ily -t "projname=$projname"
    std ly/piano.ly "$projname.ly" -t "projname=$projname"
else
    echo $progname: $projtype: Unknown project type >&2
    exit 1
fi

std ly/Makefile Makefile -t "projname=$projname"
git ignore .version.ily $projname.pdf $projname.wav