#!/bin/bash

# TODO: this gives us a trailing colon
LIBS="$(find -H lib/ -mindepth 2> /dev/null 1 -maxdepth 1 -print0 | tr \\0 \:)"
# TODO: older versions of clojure in lib/ break leiningen
CLASSPATH="src/:classes/:$LIBS"
LEIN_JAR=$HOME/.leiningen.jar

# If we are not running from a checkout
if [ ! -r "bin/lein" ]; then
    if [ ! -r "$LEIN_JAR" -a "$1" != "self-install" ]; then
        echo "Leiningen is not installed. Please run \"lein self-install\"."
        exit 1
    fi

    CLASSPATH="$CLASSPATH:$LEIN_JAR"
fi

if [ "$1" = "test" ]; then
    CLASSPATH=test/:$CLASSPATH
fi

if [ "$1" = "compile" ]; then
    # this needs to exist before the JVM is launched apparently
    mkdir -p classes
fi

if [ $DEBUG ]; then
    echo $CLASSPATH
fi

if [ "$1" = "repl" ]; then
    # If repl used leiningen.core then there'd be no way to bootstrap AOT
    java -cp "$CLASSPATH" clojure.main
elif [ "$1" = "self-install" ]; then
    echo "Downloading Leiningen now..."
    LEIN_URL=http://repo.technomancy.us/leiningen.jar
    if [ -x curl ]; then
        exec curl -o $LEIN_JAR $LEIN_URL
    else
        exec wget -O $LEIN_JAR $LEIN_URL
    fi
else
    if [ -z "$1" ]; then
        echo "$0 missing task"
        echo "Usage: $0 taskname"
    else
        exec java -client -cp "$CLASSPATH" leiningen.core $@
    fi
fi