build.gradle

/*
 * Copyright (C) 2017. Uber Technologies
 *
 * 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 net.ltgt.gradle.errorprone.CheckSeverity
buildscript {
    repositories {
        mavenCentral()
        google() // For Gradle 4.0+
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:7.3.0'
        classpath 'com.vanniktech:gradle-maven-publish-plugin:0.25.3'
    }
}
plugins {
    id "com.diffplug.spotless" version "6.25.0"
    id "net.ltgt.errorprone" version "4.1.0" apply false
    id "com.github.johnrengelman.shadow" version "8.1.1" apply false
    id "me.champeau.jmh" version "0.7.1" apply false
    id "com.github.ben-manes.versions" version "0.51.0"
    id "com.felipefzdz.gradle.shellcheck" version "1.5.0"
}

repositories {
    // to get the google-java-format jar and dependencies
    mavenCentral()
}

apply from: "gradle/dependencies.gradle"

subprojects { project ->
    project.apply plugin: "net.ltgt.errorprone"
    project.dependencies {
        errorprone deps.build.errorProneCore
    }
    project.tasks.withType(JavaCompile) {
        dependsOn(installGitHooks)
        // Always compile using JDK 17, independent of the JDK version used to run Gradle.
        // We can't compile on JDK 21 since some internal javac APIs changed between 17
        // and 21, and for now NullAway compiles against the JDK 17 APIs and uses reflection
        // on JDK 21+.  This configuration means compilation will succeed even if Gradle
        // is running on JDK 21+.
        javaCompiler = javaToolchains.compilerFor {
            languageVersion = JavaLanguageVersion.of(17)
        }
        options.compilerArgs += [
            "-Xlint:deprecation",
            "-Xlint:rawtypes",
            "-Xlint:unchecked",
            "-Werror",
            "-parameters",
        ]
        options.errorprone {
            // disable warnings in generated code; AutoValue code fails UnnecessaryParentheses check
            disableWarningsInGeneratedCode = true
            // this check is too noisy
            check("StringSplitter", CheckSeverity.OFF)
            // https://github.com/google/error-prone/issues/3366
            check("CanIgnoreReturnValueSuggester", CheckSeverity.OFF)
            // turn up various checks
            check("WildcardImport", CheckSeverity.ERROR)
            check("MissingBraces", CheckSeverity.ERROR)
            check("TypeToString", CheckSeverity.ERROR)
            check("SymbolToString", CheckSeverity.ERROR)
            check("MultipleTopLevelClasses", CheckSeverity.ERROR)
            check("ClassName", CheckSeverity.ERROR)
            check("PackageLocation", CheckSeverity.ERROR)
            check("UnnecessaryAnonymousClass", CheckSeverity.ERROR)
            check("UnusedException", CheckSeverity.ERROR)
            check("UnnecessaryFinal", CheckSeverity.ERROR)
            check("PreferredInterfaceType", CheckSeverity.ERROR)
            check("AnnotationPosition", CheckSeverity.ERROR)
            // To enable auto-patching, uncomment the line below, replace [CheckerName] with
            // the checker(s) you want to apply patches for (comma-separated), and above, disable
            // "-Werror"
            // errorproneArgs.addAll("-XepPatchChecks:[CheckerName]", "-XepPatchLocation:IN_PLACE")
        }
    }

    // We need to use the older sourceCompatibility / targetCompatibility settings, rather than the newer "release"
    // option, since we use internal javac APIs, which "release" doesn't allow
    tasks.withType(JavaCompile) {
        java.sourceCompatibility = JavaVersion.VERSION_11
        java.targetCompatibility = JavaVersion.VERSION_11
    }

    tasks.withType(Test).configureEach {
        maxParallelForks = Runtime.runtime.availableProcessors().intdiv(2) ?: 1
    }

    repositories {
        mavenCentral()
        google()
    }

    // Spotless complains when applied to the folders containing projects
    // when they do not have a build.gradle file
    if (project.name != "jar-infer" && project.name != "library-model") {
        project.apply plugin: "com.diffplug.spotless"
        spotless {
            java {
                googleJavaFormat(deps.versions.googlejavaformat)
            }
        }
    }
}

spotless {
    predeclareDeps()
    groovyGradle {
        target '**/*.gradle'
        greclipse()
        indentWithSpaces(4)
        trimTrailingWhitespace()
        endWithNewline()
    }
}
spotlessPredeclare {
    java { googleJavaFormat(deps.versions.googlejavaformat) }
    groovyGradle {
        greclipse()
    }
}

shellcheck {
    useDocker = false
    shellcheckBinary = "shellcheck"
    sourceFiles =
            fileTree(".") {
                include("**/*.sh")
            }
}

////////////////////////////////////////////////////////////////////////
//
//  Google Java Format pre-commit hook installation
//

tasks.register('installGitHooks', Copy) {
    from(file('config/hooks/pre-commit-stub')) {
        rename 'pre-commit-stub', 'pre-commit'
    }
    into file('.git/hooks')
    filePermissions {
        unix(0777)
    }
}