JCH
Java Community | Help. Code. Learn.•2mo ago
cire

How can I dynamically change a plugin's version depending on certain criteria?

We have a multi platform project, however each platform has its own platform-dependent implementation of some classes. In our case, 2 of these target platforms require the same plugin, however they rely on different versions. So far, I have tried to dynamically set extra[pluginVersion] via either -PbuildingForB and gradle.taskGraph.whenReady , then setting a classpath in the dependencies block of the buildscript block, and finally applying the plugin after the plugins block. Unfortunately, this errors with Cannot get property 'pluginVersion' on extra properties extension as it does not exist. 
gradle.build.kts
buildscript {
  extra {
    "pluginVersionA" to "1.0"
    "pluginVersionB" to "2.0"
    "pluginVersion" to "1.0"
  }

  extra["pluginVersion"] = project.findProperty("buildingForB")?.let {
        if (it == "true") extra["pluginVersionB"] else extra["pluginVersionA"]
  } ?: extra["pluginVersionA"]

  gradle.taskGraph.whenReady {
    if (tasks.contains(task("buildPlatformB")))
      extra["pluginVersion"] = extra["pluginVersionB"];
  }

  repositories {
    mavenCentral()
  }
  dependencies {
    classpath("com.example:example-plugin:${extra["pluginVersion"]}")
  }
}

plugins {
  ...
}

apply(plugin = "org.example")
gradle.build.kts
buildscript {
  extra {
    "pluginVersionA" to "1.0"
    "pluginVersionB" to "2.0"
    "pluginVersion" to "1.0"
  }

  extra["pluginVersion"] = project.findProperty("buildingForB")?.let {
        if (it == "true") extra["pluginVersionB"] else extra["pluginVersionA"]
  } ?: extra["pluginVersionA"]

  gradle.taskGraph.whenReady {
    if (tasks.contains(task("buildPlatformB")))
      extra["pluginVersion"] = extra["pluginVersionB"];
  }

  repositories {
    mavenCentral()
  }
  dependencies {
    classpath("com.example:example-plugin:${extra["pluginVersion"]}")
  }
}

plugins {
  ...
}

apply(plugin = "org.example")
4 Replies
JavaBot
JavaBot•2mo ago
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Hey @cire! Please use /close or the Close Post button above when your problem is solved. Please remember to follow the help guidelines. This post will be automatically marked as dormant after 300 minutes of inactivity.
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dan1st
dan1st•2mo ago
Why are you using extra as opposed to just defining a variable?
cire
cireOP•2mo ago
Well I tried using a variable, the same issue occurred and I thought it might be some weird scoping issue, so i tried extra using this 
val versionA = "1.0"
val versionB = "2.0"
var pluginVersion = versionA

pluginVersion = project.findProperty("buildingForB")?.let {
  if (it == "true") versionB else versionA
} ?: versionA

gradle.taskGraph.whenReady {
  if (tasks.contains(task("buildPlatformB")))
    pluginVersion = versionB
}

buildscript {
  repositories {
    mavenCentral()
  }
  dependencies {
    classpath("com.example:example-plugin:${pluginVersion]}")
  }
}

apply(plugin = "com.example")
val versionA = "1.0"
val versionB = "2.0"
var pluginVersion = versionA

pluginVersion = project.findProperty("buildingForB")?.let {
  if (it == "true") versionB else versionA
} ?: versionA

gradle.taskGraph.whenReady {
  if (tasks.contains(task("buildPlatformB")))
    pluginVersion = versionB
}

buildscript {
  repositories {
    mavenCentral()
  }
  dependencies {
    classpath("com.example:example-plugin:${pluginVersion]}")
  }
}

apply(plugin = "com.example")
errors with Unresolved reference: pluginVersion
JavaBot
JavaBot•2mo ago
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