#!/bin/bash

# TODO: this gives us a trailing colon
LIBS="$(find -H lib/ -mindepth 2> /dev/null 1 -maxdepth 1 -print0 | tr \\0 \:)"
CLASSPATH="src/:classes/:$LIBS"
LEIN_JAR=$HOME/.m2/repository/leiningen/leiningen/0.5.0-SNAPSHOT/leiningen-0.5.0-SNAPSHOT.jar

# this needs to exist before the JVM is launched apparently
mkdir -p classes

# 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 [ $DEBUG ]; then
    echo $CLASSPATH
fi

# Deps need to run before the JVM launches for tasks that need them
if [ "$1" = "compile" -o "$1" = "jar" -o "$1" = "uberjar" ]; then
    if [ ! "$(ls -A lib/*jar 2> /dev/null)" ]; then
        $0 deps
    fi
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 [ "$1" = "self-install" ]; then
    echo "Downloading Leiningen now..."
    mkdir -p `dirname "$LEIN_JAR"`
    LEIN_URL=http://repo.technomancy.us/leiningen.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
    if [ -z "$1" ]; then
        echo "$0 missing task"
        echo "Usage: $0 taskname"
    else
        exec java -client -cp "$CLASSPATH" leiningen.core $@
    fi
fi