Is it not possible to use kotlin in an `init.gradl...

# gradle

[snowe]

Is it not possible to use kotlin in an init.gradle script? I'm trying to reference a property using by project but I get the error message

Line 1: val ptSnapshotsReaderPassword: String by project
                                                   ^ Function invocation 'project(...)' expected

[eskatos]

your script should be named *.init.gradle.kts to use the Gradle Kotlin DSL

[snowe]

it is.

[snowe]

wait. *.?

[snowe]

it's named init.gradle.kts

[eskatos]

The important part for it to work from the command line is the .gradle.kts extension

[eskatos]

Naming it *.init.gradle.kts will make the IDEs understand that it is an “initialization script” and provide you with the right set of APIs

[eskatos]

See https://docs.gradle.org/current/userguide/kotlin_dsl.html#sec:scripts

[eskatos]

ah, I see, it’s already named *.gradle.kts ... I got confused because your original message says the file is named init.gradle

[snowe]

oh, i think the name is an init.gradle script. or initialization script.

[snowe]

yes I have it named properly.

[snowe]

I've used kotlin gradle scripts many many times before.

[snowe]

just trying to convert my init.gradle to init.gradle.kts and am getting the above errors.

[eskatos]

project is not available in an init script, an init script is evaluated against the Gradle instance, the available api is not Project
See https://docs.gradle.org/current/userguide/init_scripts.html

[eskatos]

and https://docs.gradle.org/current/dsl/org.gradle.api.invocation.Gradle.html#org.gradle.api.invocation.Gradle

[snowe]

yes, I realize that. but ~/.gradle/gradle.properties is not a project level properties.

[snowe]

it's a gradle property.

[snowe]

it references perfectly fine when it's an init.gradle file, but not when I change it to kotlin

[snowe]

Oh I see the confusion. it's because I'm using by project. I'm really asking how to retrieve the properties from ~/.gradle/gradle.properties within an init.gradle.kts file. I don't really care how it's done.

[eskatos]

Groovy grabs the property value by reflection

[eskatos]

You can use by settings or by project in an init script but you need to do that in a block that provides access to settings/project

[eskatos]

gradle.settingsEvaluated {
    val myProperty: String? by settings
    println("From settings $myProperty")
}

gradle.rootProject {
    val myProperty: String? by project
    println("From root project $myProperty")
}

[snowe]

fantastic!

[snowe]

that seems to work.

settingsEvaluated {
    val ptSnapshotsReaderPassword: String? by settings
    settings.pluginManagement {
        repositories {
            // if (findProperty("mavenLocal") != null) { mavenLocal() }
            gradlePluginPortal()
            jcenter()
            maven {
                credentials {
                    username = "pt-snapshots-reader"
                    password = ptSnapshotsReaderPassword
                }
            }
        }
        resolutionStrategy {
            eachPlugin {
                if (requested.id.namespace == "net.researchgate") {
                    useModule("net.researchgate:gradle-release:3.0.0-RC3")
                }
            }
        }
    }
}

[snowe]

now I need to figure out how to get the findProperty block to work...

[eskatos]

you can simplify settings.pluginManagement { to just pluginManagement {

[snowe]

yes, I wanted to be explicit (since this is converting from gradle), it looks closest if I use settings.

[eskatos]

ymmv 🙂

[snowe]

ha, final solution

settingsEvaluated {
    val ptSnapshotsReaderPassword: String? by settings
    val mavenLocal: Boolean? by settings
    pluginManagement {
        repositories {
            if (mavenLocal != null) { mavenLocal() } 
            gradlePluginPortal()
            jcenter()
            maven {
                credentials {
                    username = "pt-snapshots-reader"
                    password = ptSnapshotsReaderPassword
                }
                url = uri("")
            }
        }
        resolutionStrategy {
            eachPlugin {
                if (requested.id.namespace == "net.researchgate") {
                    useModule("net.researchgate:gradle-release:3.0.0-RC3")
                }
            }
        }
    }
}

[snowe]

thanks for all the help!

[eskatos]

You’re welcome, glad you got it working!