Mini Shell

#!/bin/bash
#
# Small script to rebuild a jar repository depending on the JVM used
#
# JPackage Project <http://www.jpackage.org/>
#

# Import java functions
[ -r "/usr/share/java-utils/java-functions" ] \
 &&  . "/usr/share/java-utils/java-functions" || exit 1

# Prints help message
usage() {
cat >&2 << EOF_USAGE
Usage: $0 [<linktype>] <directory>
                                                                                                                              
With:
    linktype:
              -s, --soft, --symbolic   create symbolic links (default)
              -h, --hard               create hard links
              -c, --copy               copy files
    directory: name of an existing directory where existing links will be
               recreated

EOF_USAGE
exit 2
}

[ "$#" -lt "1" ] && usage

unset repository
unset args

while [ $# -gt 0 -a -z "$repository" ] ; do
   case "$1" in
      -h|--hard|-s|--soft|--symbolic|-c|--copy)
         args=$1
         ;;
      --|-)
         args="$args --"
         break
         ;;
      *)
         repository=$1
         if ! [ -d "$repository" -a -w "$repository" ] ; then
            echo "$0: error: $1 must be a writable directory" >&2
            exit 7
         fi
   esac
   shift
done

args="$args $@"

set_javacmd || exit 3

check_java_env || exit 4

set_jvm_dirs || exit 5

extension_list=$(find $repository -name '\[*\]*.jar' -not -type d | \
sed 's+\]\[+/+g' | sed 's+.*\[++g' | sed 's+\].*++g' | sed 's+@+:+g' | sort | uniq)

rm -f $(find $repository -name '\[*\]*.jar' -not -type d)

link_jar_repository $repository $args $extension_list

if [ "$?" = 0 ] ; then
    exit 0
else
    echo "$0: error: Some detected jars were not found for this jvm" >&2
    exit 6
fi