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#!/bin/bash
# Copyright (c) Stephen C. Gilardi. All rights reserved. The use and
# distribution terms for this software are covered by the Eclipse Public
# License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) which can be
# found in the file epl-v10.html at the root of this distribution. By
# using this software in any fashion, you are agreeing to be bound by the
# terms of this license. You must not remove this notice, or any other,
# from this software.
#
# clj-env-dir Launches Clojure, passing along command line arguments. This
# launcher can be configured using environment variables and
# makes it easy to include directories full of classpath roots
# in CLASSPATH.
#
# scgilardi (gmail)
# Created 7 January 2009
#
# Environment variables (optional):
#
# CLOJURE_EXT Colon-delimited list of paths to directories whose top-level
# contents are (either directly or as symbolic links) jar
# files and/or directories whose paths will be in Clojure's
# classpath. The value of the CLASSPATH environment variable
# for Clojure will include these top-level paths followed by
# the previous value of CLASSPATH (if any).
# default:
# example: /usr/local/share/clojure/ext:$HOME/.clojure.d/ext
#
# CLOJURE_JAVA The command to launch a JVM instance for Clojure
# default: java
# example: /usr/local/bin/java6
#
# CLOJURE_OPTS Java options for this JVM instance
# default:
# example:"-Xms32M -Xmx128M -server"
#
# CLOJURE_MAIN The Java class to launch
# default: clojure.main
# example: clojure.contrib.repl_ln
set -o errexit
#set -o nounset
#set -o xtrace
if [ -n "${CLOJURE_EXT:-}" ]; then
OLD="$IFS"
IFS=":"
EXT="$(find -H $CLOJURE_EXT -mindepth 1 -maxdepth 1 -print0 | tr \\0 \:)"
IFS="$OLD"
if [ -n "${CLASSPATH:-}" ]; then
export CLASSPATH="$EXT$CLASSPATH"
else
export CLASSPATH="${EXT%:}"
fi
fi
JAVA=${CLOJURE_JAVA:-java}
OPTS=${CLOJURE_OPTS:-}
MAIN=${CLOJURE_MAIN:-clojure.main}
exec $JAVA $OPTS $MAIN "$@"
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