lein.ps1

function get-libs(){
    if(test-path "lib"){
        $jars = (ls lib -include *.jar -recur) | foreach { $_.FullName }
        if($jars){
            [String]::Join(";", $jars)
        }
    }
}

$VERSION="1.0.0-SNAPSHOT"
$lein_mvn_str = "{0}`\.m2`\repository`\leiningen`\leiningen`\{1}`\leiningen-{1}.jar"
$LEIN_JAR = [String]::Format($lein_mvn_str, $env:UserProfile, $VERSION)
$LIBS = (get-libs)
$CLASSPATH = "src;classes;$LIBS"

# this needs to exist before the JVM is launched apparently
if(-not (test-path "classes")){
    [void](mkdir classes)
}

# If we are not running from a checkout
if((-not (test-path "classes\leiningen\core.class"))){
    if((-not (test-path $LEIN_JAR)) -and ($args[0] -ne "self-install")){
        write-error "Leiningen is not installed. Please run `"lein self-install`"."
        exit 1
    }
    $CLASSPATH= "$CLASSPATH;$LEIN_JAR"
}

if ($DEBUG) {
    write-host $CLASSPATH
}

if($args[0] -eq "test"){
    $testDir = (get-item -erroraction SilentlyContinue "test").FullName
    $CLASSPATH= $testDir + ";" + $CLASSPATH
}

# Deps need to run before the JVM launches for tasks that need them
if(($args[0] -eq "compile") -or ($args[0] -eq "jar") -or ($args[0] -eq "uberjar")){
    if(-not $LIBS){
        & $myInvocation.MyCommand deps skip-dev
    }
}

$ESCAPED_ARGS = $args | foreach { $allArgs = "" } { $allArgs += "\`"$_\`" " } { $allArgs }

if($args[0] -eq "repl"){
    java -cp $CLASSPATH clojure.main
} elseif($args[0] -eq "self-install"){
    write-host "Downloading Leiningen now..."
    $dir_path = split-path $LEIN_JAR
    if(-not (test-path $dir_path)){
        mkdir $dir_path
    }
    $LEIN_URL = "http://repo.technomancy.us/leiningen-$VERSION.jar"
    $webClient = new-object System.Net.WebClient
    $webClient.DownloadFile($LEIN_URL, $LEIN_JAR)
} else { 
    if($args.Length -eq 0){
        write-host $myInvocation.MyCommand  "missing task"
        write-host "Usage:" $myInvocation.MyCommand "taskname"
    }else {
        java -client -cp $CLASSPATH clojure.main -e "(use 'leiningen.core) (main $ESCAPED_ARGS)"
    }
}