refactor: introduced jbang-core library

build.gradle

@@ -23,6 +23,8 @@ repositories {
 }
 
 dependencies {
+	implementation project(":jbang-core")
+
 	implementation 'com.offbytwo:docopt:0.6.0.20150202'
 
 	implementation 'org.apache.commons:commons-text:1.9'

jbang-core/.gitignore

@@ -0,0 +1,22 @@
+.classpath
+.project
+.vscode
+.settings
+target
+.idea
+*.iml
+/build
+.gradle
+.factorypath
+bin
+homebrew-tap
+RESULTS
+*.db
+jbang-action
+out
+node_modules
+package-lock.json
+*.jfr
+itests/hello.java
+*.class
+CHANGELOG.md

jbang-core/build.gradle

@@ -0,0 +1,37 @@
+plugins {
+	id 'java'
+	id 'de.fuerstenau.buildconfig'
+}
+
+repositories {
+	mavenCentral()
+	maven { url 'https://jitpack.io' }
+}
+
+dependencies {
+	implementation 'info.picocli:picocli:4.6.1'
+	implementation 'com.google.code.gson:gson:2.8.6'
+	implementation 'org.jsoup:jsoup:1.13.1'
+	implementation 'io.quarkus.qute:qute-core:1.12.2.Final'
+	implementation 'org.jboss:jandex:2.2.3.Final'
+	implementation 'org.apache.commons:commons-compress:1.20'
+
+	implementation 'org.codehaus.plexus:plexus-java:1.0.6'
+	implementation 'kr.motd.maven:os-maven-plugin:1.7.0'
+
+	implementation 'com.github.jbangdev.jbang-resolver:shrinkwrap-resolver-api:3.1.5-allowpom'
+	implementation 'com.github.jbangdev.jbang-resolver:shrinkwrap-resolver-impl-maven:3.1.5-allowpom'
+
+	testImplementation 'org.junit.jupiter:junit-jupiter:5.7.1'
+	testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.1'
+	testImplementation 'org.hamcrest:hamcrest-library:2.2'
+	testImplementation 'com.github.stefanbirkner:system-rules:1.17.2'
+}
+
+test {
+	useJUnitPlatform()
+}
+
+group 'dev.jbang'
+sourceCompatibility = '8'
+targetCompatibility = '8'

src/main/java/dev/jbang/util/TemplateEngine.java → jbang-core/src/main/java/dev/jbang/util/TemplateEngine.java

@@ -10,8 +10,6 @@
 import java.nio.file.Paths;
 import java.util.Optional;
 
-import dev.jbang.Main;
-
 import io.quarkus.qute.Engine;
 import io.quarkus.qute.ReflectionValueResolver;
 import io.quarkus.qute.Template;
@@ -36,7 +34,7 @@ public class TemplateEngine {
 	private URL locatePath(String path) {
 		ClassLoader cl = Thread.currentThread().getContextClassLoader();
 		if (cl == null) {
-			cl = Main.class.getClassLoader();
+			cl = TemplateEngine.class.getClassLoader();
 		}
 		return cl.getResource(path);
 	}

jbang-core/src/test/java/dev/jbang/BaseTest.java

@@ -0,0 +1,52 @@
+package dev.jbang;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.junit.Rule;
+import org.junit.contrib.java.lang.system.EnvironmentVariables;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.io.TempDir;
+
+import dev.jbang.util.Util;
+
+public abstract class BaseTest {
+
+	@BeforeEach
+	void initEnv(@TempDir Path tempPath) throws IOException {
+		jbangTempDir = Files.createDirectory(tempPath.resolve("jbang"));
+		cwdDir = Files.createDirectory(tempPath.resolve("cwd"));
+		Util.setCwd(cwdDir);
+		environmentVariables.set(Settings.JBANG_DIR, jbangTempDir.toString());
+		environmentVariables.set(Settings.JBANG_CACHE_DIR, jbangTempDir.resolve("cache").toString());
+		environmentVariables.set(Settings.ENV_NO_VERSION_CHECK, "true");
+		if (Util.isWindows()) {
+			environmentVariables.set(Util.JBANG_RUNTIME_SHELL, "cmd");
+		}
+	}
+
+	public static final String EXAMPLES_FOLDER = "itests";
+	public static Path examplesTestFolder;
+
+	@BeforeAll
+	static void init() throws URISyntaxException {
+		URL examplesUrl = BaseTest.class.getClassLoader().getResource(EXAMPLES_FOLDER);
+		if (examplesUrl == null) {
+			examplesTestFolder = Paths.get(EXAMPLES_FOLDER).toAbsolutePath();
+		} else {
+			examplesTestFolder = Paths.get(new File(examplesUrl.toURI()).getAbsolutePath());
+		}
+	}
+
+	@Rule
+	public final EnvironmentVariables environmentVariables = new EnvironmentVariables();
+
+	public Path jbangTempDir;
+	public Path cwdDir;
+}

settings.gradle

@@ -8,7 +8,6 @@ plugins {
 	id "com.gradle.enterprise"
 }
 
-
 // Configuration of com.gradle.enterprise (build scan) plugin
 gradleEnterprise {
 	buildScan {
@@ -20,3 +19,5 @@ gradleEnterprise {
 		//publishAlways()
 	}
 }
+
+include 'jbang-core'

src/test/java/dev/jbang/BaseTest.java → src/test/java/dev/jbang/BaseTestExt.java

@@ -1,64 +1,19 @@
 package dev.jbang;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.PrintStream;
 import java.io.PrintWriter;
-import java.net.URISyntaxException;
-import java.net.URL;
 import java.nio.charset.Charset;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.function.Function;
 
 import org.apache.commons.io.output.ByteArrayOutputStream;
-import org.junit.Rule;
-import org.junit.contrib.java.lang.system.EnvironmentVariables;
-import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.io.TempDir;
 
 import dev.jbang.cli.BaseCommand;
 import dev.jbang.cli.JBang;
-import dev.jbang.cli.TestRun;
-import dev.jbang.util.Util;
 
 import picocli.CommandLine;
 
-public abstract class BaseTest {
-
-	@BeforeEach
-	void initEnv(@TempDir Path tempPath) throws IOException {
-		jbangTempDir = Files.createDirectory(tempPath.resolve("jbang"));
-		cwdDir = Files.createDirectory(tempPath.resolve("cwd"));
-		Util.setCwd(cwdDir);
-		environmentVariables.set(Settings.JBANG_DIR, jbangTempDir.toString());
-		environmentVariables.set(Settings.JBANG_CACHE_DIR, jbangTempDir.resolve("cache").toString());
-		environmentVariables.set(Settings.ENV_NO_VERSION_CHECK, "true");
-		if (Util.isWindows()) {
-			environmentVariables.set(Util.JBANG_RUNTIME_SHELL, "cmd");
-		}
-	}
-
-	public static final String EXAMPLES_FOLDER = "itests";
-	public static Path examplesTestFolder;
-
-	@BeforeAll
-	static void init() throws URISyntaxException, IOException {
-		URL examplesUrl = TestRun.class.getClassLoader().getResource(EXAMPLES_FOLDER);
-		if (examplesUrl == null) {
-			examplesTestFolder = Paths.get(EXAMPLES_FOLDER).toAbsolutePath();
-		} else {
-			examplesTestFolder = Paths.get(new File(examplesUrl.toURI()).getAbsolutePath());
-		}
-	}
-
-	@Rule
-	public final EnvironmentVariables environmentVariables = new EnvironmentVariables();
-
-	public Path jbangTempDir;
-	public Path cwdDir;
+public abstract class BaseTestExt extends BaseTest {
 
 	protected <T> ExecutionResult checkedRun(Function<T, Integer> commandRunner, String... args) throws IOException {
 		JBang jbang = new JBang();

src/test/java/dev/jbang/cli/TestAddDeps.java

@@ -12,10 +12,10 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 
-import dev.jbang.BaseTest;
+import dev.jbang.BaseTestExt;
 import dev.jbang.util.Util;
 
-class TestAddDeps extends BaseTest {
+class TestAddDeps extends BaseTestExt {
 
 	String example = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
 			"\n" +

src/test/java/dev/jbang/cli/TestAlias.java

@@ -21,15 +21,15 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import dev.jbang.BaseTest;
+import dev.jbang.BaseTestExt;
 import dev.jbang.catalog.Alias;
 import dev.jbang.catalog.Catalog;
 import dev.jbang.catalog.CatalogUtil;
 import dev.jbang.util.Util;
 
 import picocli.CommandLine;
 
-public class TestAlias extends BaseTest {
+public class TestAlias extends BaseTestExt {
 
 	static final String aliases = "{\n" +
 			"  \"aliases\": {\n" +