groovysh-task.gradle

gradle.projectsLoaded {
    rootProject {
        afterEvaluate { project ->
            if (!project.repositories.any { it.name == 'MavenRepo' }) {
                project.repositories {
                    // To be able to load org.apache.groovy:groovy-groovysh and dependencies
                    mavenCentral {
                        content {
                            includeGroup 'org.apache.groovy'
                            includeGroup 'jline'
                            includeGroup 'com.github.javaparser'
                            includeGroup 'org.ow2.asm'
                            includeGroup 'org.abego.treelayout'
                            includeGroup 'org.apache.ivy'
                        }
                    }
                }
        }
            project.configurations {
                groovyshdependencies
            }

            project.dependencies {
                groovyshdependencies 'org.apache.groovy:groovy-groovysh:4.0.24'
            }

            project.tasks.register('groovysh') {
                group 'debug'
                description 'Runs an interactive shell in the context of the project. Use :inspect command to inspect project, gradle, settings or other objects.'
                doLast {
                    URLClassLoader groovyshClassLoader = new URLClassLoader()
                    configurations.groovyshdependencies.each { File file ->
                        groovyshClassLoader.addURL(file.toURI().toURL())
                    }

                    def groovyshClass
                    def groovyShell
                    groovyshClass = Class.forName('org.apache.groovy.groovysh.Groovysh', true, groovyshClassLoader)
                    if (groovyshClass) {
                        groovyShell = groovyshClass.newInstance()
                        if (groovyShell) {
                            groovyShell.interp.context.variables.put('gradle', gradle)
                            groovyShell.interp.context.variables.put('settings', gradle.settings)
                            groovyShell.interp.context.variables.put('project', project)
                            groovyShell.run('# Available objects: gradle, settings, project\n# Try :inspect project')
                        }
                    }
                }
            }
    }
}
}