Revert "chore(core): Deprecate the old grails-shell project (#13407)"

This reverts commit 9f56ca6.

gradle/assemble.gradle

@@ -6,7 +6,7 @@ def libsConfigurations = []
 subprojects { subproject ->
     if(subproject.name == 'grails-dependencies') return
     if(subproject.name == 'grails-bom') return
-    if(subproject.name == 'grails-core') {
+    if(subproject.name == 'grails-shell' || subproject.name == 'grails-core') {
 
         configurations {
             libsConfigurations << libs {
@@ -137,13 +137,57 @@ task sourcesJars(type: Sync) {
     from { sourcesFor(libsConfigurations*.copyRecursive { it.name.startsWith('grails-datastore') }.collect { it.transitive = false; it }) }
 }
 
-task install(dependsOn: [populateDependencies]) { task ->
+task grailsCreateStartScripts(type: GrailsCreateStartScripts) {
+    description = "Creates OS specific scripts to run grails-shell as a JVM application."
+    mainClass.set('org.grails.cli.GrailsCli')
+    applicationName = 'grails'
+    defaultJvmOpts = ["-XX:+TieredCompilation", "-XX:TieredStopAtLevel=1", "-XX:CICompilerCount=3"]
+    outputDir = file('bin')
+    classpath = rootProject.childProjects['grails-shell'].configurations.runtimeClasspath
+    projectArtifacts = rootProject.childProjects['grails-shell'].tasks['jar'].outputs.files.collect { "dist/${it.name}" }
+    doLast {
+        ant.replace(file: file('bin/grails'), token: 'media/gradle.icns', value: 'media/icons/grails.icns')
+        ant.chmod(file: file('bin/grails'), perm: 'ugo+rx')
+    }
+}
+
+class GrailsCreateStartScripts extends org.gradle.api.tasks.application.CreateStartScripts {
+
+    @Input
+    Collection<String> projectArtifacts=[]
+
+    @org.gradle.api.tasks.TaskAction
+    void generate() {
+        def generator = new org.gradle.api.internal.plugins.StartScriptGenerator()
+        generator.unixStartScriptGenerator.template = project.rootProject.childProjects['grails-shell'].resources.text.fromFile('src/main/resources/unixStartScript.txt')
+        generator.applicationName = getApplicationName()
+        generator.mainClassName = getMainClassName()
+        generator.defaultJvmOpts = getDefaultJvmOpts()
+        generator.optsEnvironmentVar = getOptsEnvironmentVar()
+        generator.exitEnvironmentVar = getExitEnvironmentVar()
+        generator.classpath = projectArtifacts + getClasspath().resolvedConfiguration.resolvedArtifacts.collect { artifact ->
+            def dependency = artifact.moduleVersion.id
+            String installedFile = "lib/$dependency.group/$dependency.name/jars/$artifact.file.name"
+            if(dependency.group=='org.grails' && !project.file(installedFile).exists()) {
+                installedFile = "dist/$artifact.file.name"
+            }
+            installedFile
+        }
+        generator.scriptRelPath = "bin/${getUnixScript().name}"
+        generator.generateUnixScript(getUnixScript())
+        generator.generateWindowsScript(getWindowsScript())
+    }
+}
+
+task install(dependsOn: [populateDependencies, grailsCreateStartScripts]) { task ->
     subprojects { Project project ->
         if(!project.name.startsWith('grails-test-suite')) {
             task.dependsOn("$project.name:publishToMavenLocal")
         }
     }
 }
+//task install(dependsOn: [populateDependencies, grailsCreateStartScripts] + subprojects.findAll { !it.name.startsWith('grails-test-suite') }
+//                                                                                                        *.collect { Project p -> p.tasks.withType(PublishToMavenLocal)})
 
 task zipDist(type: Zip, dependsOn: [sourcesJars, install]) {
     destinationDir = "${buildDir}/distributions" as File

grails-shell/README.md

@@ -0,0 +1,3 @@
+## grails-shell
+
+This subproject provides code related to the Grails CLI and plugin commands.

grails-shell/build.gradle

@@ -0,0 +1,66 @@
+apply plugin:'application'
+
+mainClassName = "org.grails.cli.GrailsCli"
+
+repositories {
+    mavenCentral()
+}
+
+ext {
+    gradleToolingApiVersion = '7.3-20210825160000+0000'
+}
+
+dependencies {
+    api project(":grails-bootstrap")
+    api project(":grails-gradle-model")
+    api "org.apache.ant:ant:$antVersion"
+    api "org.codehaus.groovy:groovy-ant:$groovyVersion"
+    api "org.codehaus.groovy:groovy-json:$groovyVersion"
+    api "org.codehaus.groovy:groovy-jmx:$groovyVersion"
+    api "org.fusesource.jansi:jansi:$jansiVersion"
+    api "jline:jline:$jlineVersion"
+    api "org.gradle:gradle-tooling-api:$gradleToolingApiVersion"
+
+    api "org.springframework.boot:spring-boot-cli:$springBootVersion", {
+        exclude group: "org.codehaus.groovy", module: "groovy"
+    }
+    implementation("org.apache.maven:maven-resolver-provider:3.9.6") {
+        exclude group: "com.google.guava", module: "guava"
+    }
+
+    implementation("org.apache.maven.resolver:maven-resolver-connector-basic:1.9.18")
+    implementation("org.apache.maven.resolver:maven-resolver-impl:1.9.18")
+    implementation("org.apache.maven.resolver:maven-resolver-transport-file:1.9.18")
+    implementation("org.apache.maven.resolver:maven-resolver-transport-http:1.9.18") {
+        exclude group: "org.slf4j", module:"jcl-over-slf4j"
+        exclude group: "commons-codec", module:"commons-codec"
+    }
+    implementation("commons-codec:commons-codec:1.16.0")
+
+    testImplementation "net.sf.expectit:expectit-core:0.9.0"
+    testImplementation "com.github.jnr:jnr-posix:3.1.18"
+
+    runtimeOnly "org.slf4j:slf4j-simple:$slf4jVersion"
+    runtimeOnly "org.codehaus.plexus:plexus-component-api:1.0-alpha-33"
+
+}
+
+eclipse {
+    classpath {
+       file {
+           whenMerged { classpath ->
+                classpath.entries.find { entry -> entry.kind == 'src' && entry.path == "src/test/resources" }?.excludes=["profiles-repository/**", "gradle-sample/**"]
+           }
+       }
+    }
+}
+
+apply from: "../gradle/integration-test.gradle"
+
+integrationTest {
+    // jline doesn't use jline.terminal system property when TERM is dumb so use different TERM value for tests
+    // https://github.com/jline/jline2/blob/6a1b6bf/src/main/java/jline/TerminalFactory.java#L54-L57
+    environment 'TERM', 'xterm'
+    // execute in single thread
+    maxParallelForks = 1
+}