Gradle buildSrcVersions

1.kt

/** buildSrc/src/main/kotlin/Libs.kt  **/
object Libs {
  const val okhttp = "com.squareup.okhttp3:okhttp:" + Versions.okhttp
  const val okio = "com.squareup.okio:okio:" + Versions.okio
  //... all others
}  

/** buildSrc/src/main/kotlin/Versions.kt  **/
object Versions {
  const val okhttp = "3.12.1"
  const val okio = "2.0.0"
  // ... 
}

2.gradle

buildscript {
    //...
}
plugins {
  id("de.fayard.buildSrcVersions") version "0.6.1"
}
// Don't put any code before the buildscript {} and plugins {} block

3.sh

$ ./gradlew buildSrcVersions
> Task :dependencyUpdates
> Task :buildSrcVersions
        new file:   buildSrc/build.gradle.kts
        new file:   buildSrc/.gitignore
        new file:   buildSrc/src/main/kotlin/Libs.kt
        new file:   buildSrc/src/main/kotlin/Versions.kt

4.sh

$ ./gradlew buildSrcVersions
> Task :dependencyUpdates
> Task :buildSrcVersions
        modified:   buildSrc/src/main/kotlin/Libs.kt
        modified:   buildSrc/src/main/kotlin/Versions.kt

5.kt

object Versions {
    val moshi = "1.8.0"
    val com_squareup_okhttp3 = "3.11.0" // available: "3.12.0"
}