Cache dependancies, add proper path to custom libsodium npm module

.travis.yml

@@ -48,6 +48,7 @@ cache:
     - $HOME/.gradle/caches/
     - $HOME/.gradle/wrapper/
     - $HOME/.konan/cache
+    - $HOME/.konan/dependencies
 branches:
   only:
     - master

buildSrc/build.gradle.kts

@@ -29,3 +29,6 @@ repositories {
 dependencies {
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.4-M2")
 }
+
+System.setProperty("PROJECT_PATH", project.projectDir.parentFile.toString())
+println("Path ${project.projectDir.parentFile}")

buildSrc/src/main/kotlin/Deps.kt

@@ -63,7 +63,7 @@ object Deps {
         object Npm {
             val libsodium = Pair("libsodium-wrappers-sumo", "0.7.6")
 //            val libsodiumWrappers = Pair("libsodium-wrappers-sumo", "0.7.6")
-            val libsodiumWrappers = Pair("libsodium-wrappers-sumo", "file:/home/ionspin/Projects/Future/kotlin-multiplatform-crypto/multiplatform-crypto-delegated/libsodium-wrappers-sumo-0.7.6.tgz")
+            val libsodiumWrappers = Pair("libsodium-wrappers-sumo", "file:${getProjectPath()}/multiplatform-crypto-delegated/libsodium-wrappers-sumo-0.7.6.tgz")
         }
 
     }

buildSrc/src/main/kotlin/Utils.kt

@@ -4,6 +4,7 @@ import org.gradle.nativeplatform.platform.internal.DefaultNativePlatform
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 import org.jetbrains.kotlin.gradle.plugin.KotlinDependencyHandler
 import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
+import java.io.File
 
 /**
  * Created by Ugljesa Jovanovic
@@ -14,6 +15,11 @@ fun isInIdea() = System.getProperty("idea.active") == "true"
 
 fun isInTravis() = System.getenv("TRAVIS") == "true"
 
+fun getProjectPath() : String {
+    val path = System.getProperty("PROJECT_PATH")
+    return path
+}
+
 fun getHostOsName(): String {
     val target = System.getProperty("os.name")
     if (target == "Linux") return "linux"