cvcbulkcommit

#!/bin/bash
################################################################################
# Loading configuration
################################################################################

CVCINTERNAL_SCRIPTROOT=$(dirname "$0")
source "${CVCINTERNAL_SCRIPTROOT}/config"

################################################################################
# Documentation
################################################################################

# Return code reference
# 1     Syntax error in invocation
# 2     Missing argument
# 3     Target directory does not exist
# 16    Internal error

# Show usage
function usage {
    echo "This script runs cvccommit for all the CVC files of a directory, thus"
    echo "allowing to quickly update metadata for whole albums."
    echo ""
    echo "Usage: cvcbulkcommit [-f] [-h] [-l <lang>] [-v] <directory>"
    echo ""
    echo "Options:"
    echo "-f            Overwrite preexisting cvc files."
    echo "-h            Show this message."
    echo "-l <lang>     Specify a language filter (cvccommit -l option)."
    echo "-v            Verbose mode."
    echo ""
    echo "Arguments:"
    echo "<directory>   A directory containing CVC files."
}

################################################################################
# Option and argument parsing
################################################################################

# Default settings
extraArgs=""

# Calling option parser
while getopts ":fhl:v" option; do
    case "${option}" in
        # -f: Force mode
        f)
            extraArgs+="-f "
            ;;

        # -h: Help
        h)
            usage
            exit
            ;;

        # -l: Language filter
        l)
            extraArgs+="-l ${OPTARG}"
            ;;

        # -v: Verbose mode
        v)
            VERBOSE=1
            extraArgs+="-v "
            ;;

        # Syntax error
        \?)
            >&2 echo "ERROR: Invalid option: -${OPTARG}"
            usage
            [[ "${BASH_SOURCE[0]}" != "${0}" ]] && return 1 || exit 1
            ;;

        # Syntax error
        :)
            >&2 echo "ERROR: Option -${OPTARG} requires an argument."
            usage
            [[ "${BASH_SOURCE[0]}" != "${0}" ]] && return 1 || exit 1
            ;;

        # Any other value is an internal error
        *)
            >&2 echo "ERROR: Internal getopts error."
            [[ "${BASH_SOURCE[0]}" != "${0}" ]] && return 16 || exit 16
            ;;
    esac
done

shift $((OPTIND-1))

# Checking whether a directory was supplied as an argument.
if [ -z "$1" ]
then
    >&2 echo "ERROR: No directory specified."
    usage
    [[ "${BASH_SOURCE[0]}" != "${0}" ]] && return 2 || exit 2
fi

################################################################################
# Additional checks
################################################################################

# Abstracting supplied arguments. We remove the trailing /
targetDirectory="${1%/}"

# Checking whether the supplied directory does exist
if [ ! -d "${targetDirectory}" ]
then
    >&2 echo "ERROR: Directory '${targetDirectory}' does not exist."
    [[ "${BASH_SOURCE[0]}" != "${0}" ]] && return 3 || exit 3
fi

################################################################################
# Calling cvccommit
################################################################################

# Initializing file counter
fileCount=0

for cvcFile in "${targetDirectory}/"*.${CFG_FileExtensions_CVC}
do
    ((fileCount+=1))
    [ "${VERBOSE}" ] && echo "Processing file #${fileCount}: ${cvcFile}..."

    "${CFG_CVCTools_CVCCommit}" ${extraArgs} "${cvcFile}"
done