Modernize Gradle configuration (#211)

* feat: Modernize Gradle configuration by introducing version catalogs, setting build properties, and updating Java toolchain.

Author: markpete

build.gradle

@@ -1,13 +1,14 @@
 plugins {
     id "java"
-    id "com.diffplug.spotless" version "6.20.0"
-    id "net.ltgt.errorprone" version "4.0.1"
-    id "edu.wpi.first.GradleRIO" version "2025.3.2"
+    alias(libs.plugins.spotless)
+    alias(libs.plugins.errorprone)
+    alias(libs.plugins.wpilib)
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
 }
 
 def getProjectBooleanProperty(String name, boolean defaultValue = false) {
@@ -65,7 +66,8 @@ def includeDesktopSupport = true
 // Defining my dependencies. In this case, WPILib (+ friends), and vendor libraries.
 // Also defines JUnit 5.
 dependencies {
-    compileOnly group: "com.google.errorprone", name: "error_prone_annotations", version: "2.28.0"
+    errorprone libs.errorprone.core
+    compileOnly libs.errorprone.annotations
 
     annotationProcessor wpi.java.deps.wpilibAnnotations()
     implementation wpi.java.deps.wpilib()
@@ -85,10 +87,8 @@ dependencies {
     nativeRelease wpi.java.vendor.jniRelease(wpi.platforms.desktop)
     simulationRelease wpi.sim.enableRelease()
 
-    testImplementation 'org.junit.jupiter:junit-jupiter:5.10.1'
-    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
-
-    errorprone group: "com.google.errorprone", name: "error_prone_core", version: "2.28.0"
+    testImplementation libs.junit.jupiter
+    testRuntimeOnly libs.junit.platform.launcher
 }
 
 test {

buildinfo.gradle

@@ -1,18 +1,19 @@
 import java.net.InetAddress;
 
 task writeBuildInfo {
-	def hasGit = { ->
-		try {
-			exec {
-				executable 'git'
-				delegate.args '--version'
-				standardOutput = OutputStream.nullOutputStream()
-			}
-		} catch (Exception e) {
-			return false
-		}
-		return true
-	}
+    def hasGit = { ->
+        try {
+            def result = exec {
+                executable 'git'
+                args '--version'
+                standardOutput = OutputStream.nullOutputStream()
+                ignoreExitValue = true
+            }
+            return result.exitValue == 0
+        } catch (Exception e) {
+            return false
+        }
+    }
 
 	def addGitOutput = { PrintStream output, String name, String... args ->
 		output.println("### $name (git ${String.join(' ', args)})")
@@ -39,30 +40,30 @@ task writeBuildInfo {
 		return path
 	}
 
-	doLast {
-		try (PrintStream output = new PrintStream('src/main/deploy/build-info.txt')) {
-			output.println("### Host name (InetAddress.localHost.hostName)")
-			output.println(InetAddress.localHost.hostName)
-			output.println("### Project path (convertPath(projectDir.path))")
-			output.println(convertPath(projectDir.path))
-			if (!hasGit()) {
-				// ANSI escape codes
-				def WARNINGFMT = "\033[43;30m"
-				def CLEAR = "\033[m"
-				println("${WARNINGFMT}WARNING: Could not find git! Git info will not be sent to the robot.${CLEAR}")
-				output.println("### <could not run git>")
-			} else {
-				addGitOutput(output, 'Commit hash', 'log', '-1', '--format=%H')
-				addGitOutput(output, 'Refs to latest commit', 'log', '-1', '--format=%D')
-				addGitOutput(output, 'Commit time', 'log', '-1', '--format=%ad')
-				addGitOutput(output, 'Commit message', 'log', '-1', '--format=%B')
-				addGitOutput(output, 'Remotes', 'remote', '-v')
-				addGitOutput(output, 'Changed files', 'diff-index', '--name-only', 'HEAD', '--')
-				addGitOutput(output, 'Untracked files', 'ls-files', '--exclude-standard', '--others')
-			}
-			output.println('### (END)')
-		}
-	}
+    doLast {
+        new PrintStream('src/main/deploy/build-info.txt').withStream { output ->
+            output.println("### Host name (InetAddress.localHost.hostName)")
+            output.println(InetAddress.localHost.hostName)
+            output.println("### Project path (convertPath(projectDir.path))")
+            output.println(convertPath(projectDir.path))
+            if (!hasGit()) {
+                // ANSI escape codes
+                def WARNINGFMT = "\033[43;30m"
+                def CLEAR = "\033[m"
+                println("${WARNINGFMT}WARNING: Could not find git! Git info will not be sent to the robot.${CLEAR}")
+                output.println("### <could not run git>")
+            } else {
+                addGitOutput(output, 'Commit hash', 'log', '-1', '--format=%H')
+                addGitOutput(output, 'Refs to latest commit', 'log', '-1', '--format=%D')
+                addGitOutput(output, 'Commit time', 'log', '-1', '--format=%ad')
+                addGitOutput(output, 'Commit message', 'log', '-1', '--format=%B')
+                addGitOutput(output, 'Remotes', 'remote', '-v')
+                addGitOutput(output, 'Changed files', 'diff-index', '--name-only', 'HEAD', '--')
+                addGitOutput(output, 'Untracked files', 'ls-files', '--exclude-standard', '--others')
+            }
+            output.println('### (END)')
+        }
+    }
 }
 if (getProjectBooleanProperty('jarWriteBuildInfo', true)) {
 	jar.dependsOn(writeBuildInfo)

gradle.properties

@@ -0,0 +1,6 @@
+# Enable build caching
+org.gradle.caching=true
+# Enable parallel execution
+org.gradle.parallel=true
+# Configure JVM memory
+org.gradle.jvmargs=-Xmx2g

gradle/libs.versions.toml

@@ -0,0 +1,23 @@
+[versions]
+wpilib = "2025.3.2"
+spotless = "6.20.0"
+errorpronePlugin = "4.0.1"
+errorproneCore = "2.28.0"
+errorproneAnnotations = "2.28.0"
+junit = "5.10.1"
+junitPlatform = "1.10.1"
+
+[libraries]
+wpilib-java = { module = "edu.wpi.first.gradle:edu.wpi.first.gradle.gradle.plugin", version.ref = "wpilib" }
+spotless-plugin = { module = "com.diffplug.spotless:spotless-plugin-gradle", version.ref = "spotless" }
+errorprone-plugin = { module = "net.ltgt.gradle:gradle-errorprone-plugin", version.ref = "errorpronePlugin" }
+
+errorprone-annotations = { module = "com.google.errorprone:error_prone_annotations", version.ref = "errorproneAnnotations" }
+errorprone-core = { module = "com.google.errorprone:error_prone_core", version.ref = "errorproneCore" }
+
+junit-jupiter = { module = "org.junit.jupiter:junit-jupiter", version.ref = "junit" }
+junit-platform-launcher = { module = "org.junit.platform:junit-platform-launcher", version.ref = "junitPlatform" }
+[plugins]
+wpilib = { id = "edu.wpi.first.GradleRIO", version.ref = "wpilib" }
+spotless = { id = "com.diffplug.spotless", version.ref = "spotless" }
+errorprone = { id = "net.ltgt.errorprone", version.ref = "errorpronePlugin" }

settings.gradle

@@ -26,5 +26,9 @@ pluginManagement {
     }
 }
 
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.8.0'
+}
+
 Properties props = System.getProperties();
 props.setProperty("org.gradle.internal.native.headers.unresolved.dependencies.ignore", "true");