#!/bin/bash

VERSION="1.1.0-SNAPSHOT"

CLASSPATH="$(find -H lib/ -mindepth 2> /dev/null 1 -maxdepth 1 -print0 | tr \\0 \:)"
LEIN_JAR="$HOME/.m2/repository/leiningen/leiningen/$VERSION/leiningen-$VERSION-standalone.jar"
CLOJURE_JAR="$HOME/.m2/repository/org/clojure/clojure/1.1.0-master-SNAPSHOT/clojure-1.1.0-master-SNAPSHOT.jar"

# normalize $0 on certain BSDs
if [ "$(dirname $0)" = "." ]; then
    SCRIPT="$(which $(basename $0))"
else
    SCRIPT="$0"
fi

# resolve symlinks to the script itself portably
while [ -h "$SCRIPT" ] ; do
    ls=`ls -ld "$SCRIPT"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '/.*' > /dev/null; then
        SCRIPT="$link"
    else
        SCRIPT="`dirname "$SCRIPT"`/$link"
    fi
done

BIN_DIR="$(dirname "$SCRIPT")"

if [ -r "$BIN_DIR/../src/leiningen/core.clj" ]; then
    # Running from source checkout
    LEIN_DIR="$(dirname "$BIN_DIR")"
    LEIN_LIBS="$(find -H $LEIN_DIR/lib -mindepth 2> /dev/null 1 -maxdepth 1 -print0 | tr \\0 \:)"
    CLASSPATH="$LEIN_DIR/src:$LEIN_LIBS:$CLASSPATH"

    if [ "$LEIN_LIBS" = "" -a "$1" != "self-install" ]; then
        echo "Your Leiningen development checkout is missing its dependencies."
        echo "Please download a stable version of Leiningen to fetch the deps."
        echo "See the \"Hacking\" section of the readme for details."
        exit 1
    fi
else
    # Not running from a checkout
    CLASSPATH="$LEIN_JAR:$CLASSPATH"

    if [ ! -r "$LEIN_JAR" -a "$1" != "self-install" ]; then
        echo "Leiningen is not installed. Please run \"lein self-install\"."
        exit 1
    fi
fi

if [ $DEBUG ]; then
    echo $CLASSPATH
fi

# escape command-line arguments so they can be evaled as strings
ESCAPED_ARGS=""
for ARG in "$@"; do
  ESCAPED_ARGS="$ESCAPED_ARGS"' "'$(echo $ARG | sed -e 's/\\/\\\\/g' -e 's/"/\\"/g')'"'
done

if [ "$1" = "repl" ]; then
    $RLWRAP java -client $JAVA_OPTS -cp "src/:classes/:$CLASSPATH" jline.ConsoleRunner clojure.main ${@:2}
elif [ "$1" = "self-install" ]; then
    if [[ $VERSION == *SNAPSHOT ]]; then
        echo "The self-install task is only meant for stable releases."
        echo "See the \"Hacking\" section of the README."
        exit 1
    fi
    echo "Downloading Leiningen now..."
    mkdir -p `dirname "$LEIN_JAR"`
    LEIN_URL="http://repo.technomancy.us/leiningen-$VERSION-standalone.jar"
    if type -p curl >/dev/null 2>&1; then
        exec curl -o "$LEIN_JAR" "$LEIN_URL"
    else
        exec wget -O "$LEIN_JAR" "$LEIN_URL"
    fi
else
    exec java -Xbootclasspath/a:"$CLOJURE_JAR" -client $JAVA_OPTS -cp "$CLASSPATH" -Dleiningen.version="$VERSION" clojure.main -e "(use 'leiningen.core)(-main $ESCAPED_ARGS)"
fi