closes #90

.github/workflows/build.yml

@@ -0,0 +1,41 @@
+# Automatically build the project and run any configured tests for every push
+# and submitted pull request. This can help catch issues that only occur on
+# certain platforms or Java versions, and provides a first line of defence
+# against bad commits.
+
+name: build
+on: [pull_request, push]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        # Use these Java versions
+        java: [
+            1.8,  # Minimum supported by Minecraft
+            11,   # Current Java LTS
+            15    # Latest version
+        ]
+        # and run on both Linux and Windows
+        os: [ubuntu-20.04, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: checkout repository
+        uses: actions/checkout@v2
+      - name: validate gradle wrapper
+        uses: gradle/wrapper-validation-action@v1
+      - name: setup jdk ${{ matrix.java }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+      - name: make gradle wrapper executable
+        if: ${{ runner.os != 'Windows' }}
+        run: chmod +x ./gradlew
+      - name: build
+        run: ./gradlew build
+      - name: capture build artifacts
+        if: ${{ runner.os == 'Linux' && matrix.java == '11' }} # Only upload artifacts built from LTS java on one OS
+        uses: actions/upload-artifact@v2
+        with:
+          name: Artifacts
+          path: build/libs/

build.gradle.kts

@@ -28,13 +28,6 @@ version = "0.3.0-SNAPSHOT+" + try {
 extra.set("archivesBaseName", "ViaFabric")
 description = "Client-side and server-side ViaVersion implementation for Fabric"
 
-java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
-}
-extra.set("sourceCompatibility", 1.8)
-extra.set("targetCompatibility", 1.8)
-
 repositories {
     mavenLocal()
     mavenCentral()
@@ -95,29 +88,14 @@ curseforge {
             addGameVersion("Java 10")
         }
         when (branch) {
-            "mc-1.8" -> addGameVersion("1.8.9")
-            "mc-1.14" -> {
-                addGameVersion("1.14")
-                addGameVersion("1.14.1")
-                addGameVersion("1.14.2")
-                addGameVersion("1.14.3")
-                addGameVersion("1.14.4")
-            }
-            "mc-1.15" -> {
-                addGameVersion("1.15")
-                addGameVersion("1.15.1")
-                addGameVersion("1.15.2")
-            }
-            "mc-1.16" -> {
-                addGameVersion("1.16")
-                addGameVersion("1.16.1")
-                addGameVersion("1.16.2")
-                addGameVersion("1.16.3")
-                addGameVersion("1.16.4")
-            }
-            "mc-1.17" -> {
-                addGameVersion("1.17")
-            }
+            "mc-1.8" -> listOf("1.8.9")
+            "mc-1.14" -> listOf("1.14", "1.14.1", "1.14.2", "1.14.3", "1.14.4")
+            "mc-1.15" -> listOf("1.15", "1.15.1", "1.15.2")
+            "mc-1.16" -> listOf("1.16", "1.16.1", "1.16.2", "1.16.3", "1.16.4")
+            "mc-1.17" -> listOf("1.17")
+            else -> emptyList()
+        }.forEach {
+            addGameVersion(it)
         }
         addGameVersion("Fabric")
         mainArtifact(file("${project.buildDir}/libs/${project.base.archivesBaseName}-${project.version}.jar"), closureOf<com.matthewprenger.cursegradle.CurseArtifact> {
@@ -127,7 +105,6 @@ curseforge {
                 } else {
                     requiredDependency("fabric-api")
                     embeddedLibrary("cotton-client-commands")
-//                    embeddedLibrary("programmerartinjector")
                 }
             })
             displayName = "[$branch] ViaFabric ${project.version}"
@@ -153,14 +130,27 @@ tasks.jar {
     from("LICENSE")
 }
 
+tasks.withType<JavaCompile> {
+    // ensure that the encoding is set to UTF-8, no matter what the system default is
+    // this fixes some edge cases with special characters not displaying correctly
+    // see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
+    // If Javadoc is generated, this must be specified in that task too.
+    options.encoding = "UTF-8"
 
-// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
-// if it is present.
-// If you remove this task, sources will not be generated.
-tasks.register("sourcesJar", type = Jar::class) {
-    dependsOn(tasks.getByName("classes"))
-    archiveClassifier.set("sources")
-    from(sourceSets.main.get().allSource)
+    // The Minecraft launcher currently installs Java 8 for users, so your mod probably wants to target Java 8 too
+    // JDK 9 introduced a new way of specifying this that will make sure no newer classes or methods are used.
+    // We'll use that if it's available, but otherwise we'll use the older option.
+    val targetVersion = 8
+    if (JavaVersion.current().isJava9Compatible) {
+        options.release.set(targetVersion)
+    } else {
+        sourceCompatibility = JavaVersion.toVersion(targetVersion).toString()
+        targetCompatibility = JavaVersion.toVersion(targetVersion).toString()
+    }
+}
+
+java {
+    withSourcesJar()
 }
 
 // configure the maven publication

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew.bat

@@ -40,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -54,7 +54,7 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
@@ -64,21 +64,6 @@ echo location of your Java installation.
 
 goto fail
 
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
 :execute
 @rem Setup the command line
 
@@ -86,7 +71,7 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell