Add forceCassandraDownload option

README.md

@@ -8,12 +8,12 @@ Note: The plugin does not work on WindowsOS
 Add the following to your `project/plugins.sbt` file:
 
 ```scala
-addSbtPlugin("com.github.hochgi" % "sbt-cassandra"   % "1.0.4")
+addSbtPlugin("com.tuplejump.com.github.hochgi" % "sbt-cassandra"   % "1.1.0")
 ```
 
 ## Usage ##
 ### Basic: ###
-In `build.sbt`, enable the plugin for desired project and specify the version of cassandra against which tests are to be run, 
+In `build.sbt`, enable the plugin for desired project and specify the version of cassandra against which tests are to be run,
 
 ```scala
 lazy val root = (project in file("."))
@@ -49,6 +49,10 @@ the plugin downloads cassandra tar from [Apache Cassandra Archives](http://archi
 ```scala
 cassandraTgz := "resources/custom-cassandra.tgz"
 ```
+to prevent downloading cassandra tar file if the file already exists. Parameter is ignored if custom file is specified in `cassandraTgz`
+```scala
+forceCassandraDownload := false
+```
 to override cassandra configuration, e.g:
 ```scala
 configMappings +=  "auto_snapshot" -> true
@@ -70,9 +74,8 @@ The `configMappings` setting should be used to change host, port and cqlPort. Th
 * host - `listen_address`
 * port - `rpc_port`
 * cqlPort - `native_transport_port`
-        
+
 to pass java args to cassandra,
 ```scala
 cassandraJavaArgs := Seq("-Xmx1G")
 ```
-

build.sbt

@@ -1,12 +1,12 @@
 sbtPlugin := true
 
-organization := "com.github.hochgi"
+organization := "com.tuplejump.com.github.hochgi"
 
 name := "sbt-cassandra"
 
 description := "SBT plugin to launch and use Cassandra during integration tests"
 
-version := "1.0.4"
+version := "1.1.0"
 
 scalaVersion := "2.10.6"
 
@@ -38,8 +38,8 @@ licenses := Seq("The MIT License (MIT)" -> url("http://opensource.org/licenses/M
 
 pomExtra := (
   <scm>
-    <url>https://github.com/hochgi/sbt-cassandra-plugin.git</url>
-    <connection>scm:[email protected]:hochgi/sbt-cassandra-plugin.git</connection>
+    <url>https://github.com/tuplejump/sbt-cassandra-plugin.git</url>
+    <connection>scm:[email protected]:tuplejump/sbt-cassandra-plugin.git</connection>
   </scm>
   <developers>
     <developer>

demo/project/plugins.sbt

@@ -1,3 +1,3 @@
 logLevel := Level.Warn
 
-addSbtPlugin("com.github.hochgi" % "sbt-cassandra"   % "1.0.4")
+addSbtPlugin("com.tuplejump.com.github.hochgi" % "sbt-cassandra"   % "1.1.0")

src/main/scala/com/github/hochgi/sbt/cassandra/CassandraITPlugin.scala

@@ -36,20 +36,25 @@ object CassandraITPlugin extends AutoPlugin {
     lazy val cassandraJavaArgs = SettingKey[Seq[String]]("cassandra-java-args",
       "Optional. Java arguments to be passed to Cassandra")
 
+    lazy val forceCassandraDownload = SettingKey[Boolean]("force-cassandra-download",
+      "Optional. Defaults to true")
   }
 
   private val PIDFileName = "cass.pid"
 
   def deployCassandra(tarFile: String,
                       casVersion: String,
                       targetDir: File,
-                      logger: Logger): File = {
+                      logger: Logger,
+                      forceCassandraDownload: Boolean): File = {
     val cassandraTarGz: File = if (tarFile.nonEmpty) {
       file(tarFile)
     } else if (casVersion.nonEmpty) {
       val file: File = new File(targetDir, s"apache-cassandra-$casVersion-bin.tar.gz")
-      val source = s"http://archive.apache.org/dist/cassandra/$casVersion/apache-cassandra-$casVersion-bin.tar.gz"
-      IO.download(url(source), file)
+      if (!file.exists || forceCassandraDownload) {
+        val source = s"http://archive.apache.org/dist/cassandra/$casVersion/apache-cassandra-$casVersion-bin.tar.gz"
+        IO.download(url(source), file)
+      }
       file
     } else {
       sys.error("Specify Cassandra version or path to Cassandra tar.gz file")
@@ -199,7 +204,8 @@ object CassandraITPlugin extends AutoPlugin {
     cleanCassandraAfterStop := true,
     cassandraStartDeadline := 20,
     configMappings := Nil,
-    cassandraJavaArgs := Nil
+    cassandraJavaArgs := Nil,
+    forceCassandraDownload := true
   )
 
   override def projectSettings: Seq[_root_.sbt.Def.Setting[_]] = super.projectSettings ++
@@ -211,7 +217,7 @@ object CassandraITPlugin extends AutoPlugin {
       val logger = streams.value.log
 
       val cassHome = deployCassandra(cassandraTgz.value.trim,
-        cassandraVersion.value.trim, targetDir, logger)
+        cassandraVersion.value.trim, targetDir, logger, forceCassandraDownload.value)
 
       val confDir: String = {
         if (cassandraConfigDir.value.trim.isEmpty) {