build.gradle.kts

import com.github.benmanes.gradle.versions.updates.DependencyUpdatesTask

// Top-level build file where you can add configuration options common to all sub-projects/modules.
plugins {
    alias(libs.plugins.kover)
    alias(libs.plugins.versionsBenManes)
    alias(libs.plugins.versionCatalogUpdate)
    alias(libs.plugins.android.application) apply false
    alias(libs.plugins.jetbrains.kotlin.android) apply false
    alias(libs.plugins.android.library) apply false
    alias(libs.plugins.ksp) apply false
    alias(libs.plugins.hilt.plugin) apply false // fun https://github.com/google/dagger/issues/3068
}

fun isNonStable(version: String): Boolean {
    val stableKeyword = listOf("RELEASE", "FINAL", "GA").any { version.uppercase().contains(it) }
    val regex = "^[0-9,.v-]+(-r)?$".toRegex()
    val isStable = stableKeyword || regex.matches(version)
    return isStable.not()
}

tasks.withType<DependencyUpdatesTask> {
    resolutionStrategy {
        componentSelection {
            all {
                when {
                    isNonStable(candidate.version) && !isNonStable(currentVersion) -> {
                        reject("Updating stable to non stable is not allowed")
                    }
                    candidate.module == "kotlin-gradle-plugin" && candidate.version != libs.versions.kotlin.get() -> {
                        reject("Keep Kotlin version on the version specified in libs.versions.toml")
                    }
                    // KSP versions are compound versions, starting with the kotlin version
                    candidate.group == "com.google.devtools.ksp" && !candidate.version.startsWith(libs.versions.kotlin.get()) -> {
                        reject("KSP needs to stick to Kotlin version")
                    }
                }
            }
        }
    }
}