build.gradle.kts

/*
 * Copyright (c) 2023 Matthew Nelson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/
import com.github.benmanes.gradle.versions.updates.DependencyUpdatesTask

plugins {
    alias(libs.plugins.binaryCompat)
    alias(libs.plugins.gradleVersions)
}

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> {
    // Example 1: reject all non stable versions
    rejectVersionIf {
        isNonStable(candidate.version)
    }

    // Example 2: disallow release candidates as upgradable versions from stable versions
    rejectVersionIf {
        isNonStable(candidate.version) && !isNonStable(currentVersion)
    }

    // Example 3: using the full syntax
    resolutionStrategy {
        componentSelection {
            all(Action {
                if (isNonStable(candidate.version) && !isNonStable(currentVersion)) {
                    reject("Release candidate")
                }
            })
        }
    }
}