# CreateStartScripts

@DisableCachingByDefault(because = "Not worth caching")
abstract class CreateStartScripts : ConventionTask(source)

Creates start scripts for launching JVM applications.

Example:

    task createStartScripts(type: CreateStartScripts) {
      outputDir = file('build/sample')
      mainClass = 'org.gradle.test.Main'
      applicationName = 'myApp'
      classpath = files('path/to/some.jar')
    }

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Note: the Gradle `"application"` plugin adds a pre-configured task of this type named `"startScripts"`.

The task generates separate scripts targeted at Microsoft Windows environments and UNIX-like environments (e.g. Linux, macOS). The actual generation is implemented by the getWindowsStartScriptGenerator and getUnixStartScriptGenerator properties, of type ScriptGenerator.

Example:

    task createStartScripts(type: CreateStartScripts) {
      unixStartScriptGenerator = new CustomUnixStartScriptGenerator()
      windowsStartScriptGenerator = new CustomWindowsStartScriptGenerator()
    }

    class CustomUnixStartScriptGenerator implements ScriptGenerator {
      void generateScript(JavaAppStartScriptGenerationDetails details, Writer destination) {
        // implementation
      }
    }

    class CustomWindowsStartScriptGenerator implements ScriptGenerator {
      void generateScript(JavaAppStartScriptGenerationDetails details, Writer destination) {
        // implementation
      }
    }

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The default generators are of the type org.gradle.jvm.application.scripts.TemplateBasedScriptGenerator, with default templates. This templates can be changed via the setTemplate method.

The default implementations used by this task use Groovy's SimpleTemplateEngine to parse the template, with the following variables available:

- `applicationName` - See getApplicationName.
- `optsEnvironmentVar` - See getOptsEnvironmentVar.
- `exitEnvironmentVar` - See getExitEnvironmentVar.
- `moduleEntryPoint` - The module entry point, or `null` if none. Will also include the main class name if present, in the form `[moduleName]/[className]`.
- `mainClassName` - The main class name, or usually `""` if none. For legacy reasons, this may be set to `--module [moduleEntryPoint]` when using a main module. This behavior should not be relied upon and may be removed in a future release.
- `entryPointArgs` - The arguments to be used on the command-line to enter the application, as a joined string. It should be inserted before the program arguments.
- `defaultJvmOpts` - See getDefaultJvmOpts.
- `appNameSystemProperty` - See getAppNameSystemProperty.
- `appHomeRelativePath` - The path, relative to the script's own path, of the app home.
- `classpath` - See getClasspath. It is already encoded as a joined string.
- `modulePath` (different capitalization) - See getModulePath. It is already encoded as a joined string.

The encoded paths expect a variable named `APP_HOME` to be present in the script, set to the application home directory which can be resolved using `appHomeRelativePath`.

Example:

    task createStartScripts(type: CreateStartScripts) {
      unixStartScriptGenerator.template = resources.text.fromFile('customUnixStartScript.txt')
      windowsStartScriptGenerator.template = resources.text.fromFile('customWindowsStartScript.txt')
    }

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#### Inheritors

CreateStartScripts

## Constructors

CreateStartScripts
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constructor()

## Properties

applicationName
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@get:Nullable
@get:Input
open var applicationName: String
classpath
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@get:Nullable
@get:Classpath
@get:Optional
open var classpath: FileCollection
conventionMapping
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open val conventionMapping: ConventionMapping
defaultJvmOpts
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@get:Nullable
@get:Optional
@get:Input
open var defaultJvmOpts: Iterable<String>
description
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open var description: String
enabled
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open var enabled: Boolean
executableDir
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@get:Input
open var executableDir: String
exitEnvironmentVar
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@get:Nullable
@get:Optional
@get:Input
open var exitEnvironmentVar: String
extra
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val ExtensionAware.extra: ExtraPropertiesExtension

The extra properties extension in this object's extension container.

group
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open var group: String
impliesSubProjects
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open var impliesSubProjects: Boolean
mainClass
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@get:Optional
@get:Input
val mainClass: Property<String>
mainModule
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@get:Optional
@get:Input
val mainModule: Property<String>
modularity
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val modularity: ModularitySpec
optsEnvironmentVar
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@get:Nullable
@get:Optional
@get:Input
open var optsEnvironmentVar: String
outputDir
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@get:OutputDirectory
@get:Nullable
open var outputDir: File
state
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val state: TaskStateInternal
TASK_ACTION
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val TASK_ACTION: String = "action"
TASK_CONSTRUCTOR_ARGS
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val TASK_CONSTRUCTOR_ARGS: String = "constructorArgs"
TASK_DEPENDS_ON
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val TASK_DEPENDS_ON: String = "dependsOn"
TASK_DESCRIPTION
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val TASK_DESCRIPTION: String = "description"
TASK_GROUP
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val TASK_GROUP: String = "group"
TASK_NAME
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val TASK_NAME: String = "name"
TASK_OVERWRITE
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val TASK_OVERWRITE: String = "overwrite"
TASK_TYPE
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val TASK_TYPE: String = "type"
timeout
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val timeout: Property<Duration>
unixStartScriptGenerator
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@get:Internal
open var unixStartScriptGenerator: ScriptGenerator
windowsStartScriptGenerator
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@get:Internal
open var windowsStartScriptGenerator: ScriptGenerator

## Functions

acceptServiceReferences
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open fun acceptServiceReferences(serviceReferences: Set<ServiceReferenceSpec>)
appendParallelSafeAction
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open fun appendParallelSafeAction(action: Action<in Task>)
compareTo
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open fun compareTo(otherTask: Task): Int
configure
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open fun configure(closure: Closure): Task
abstract fun configure(cl: Closure): T
configure
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inline fun <T : Any> ExtensionAware.configure(noinline configuration: T.() -> Unit)

Executes the given configuration block against the extension of the specified type.

conventionMapping
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open fun conventionMapping(property: String, mapping: Callable<out Any>): Task
dependsOn
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open fun dependsOn(paths: Array<Any>): Task
doFirst
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open fun doFirst(action: Action<in Task>): Task
doLast
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open fun doLast(action: Action<in Task>): Task
doNotTrackState
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open fun doNotTrackState(reasonNotToTrackState: String)
finalizedBy
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open fun finalizedBy(paths: Array<Any>): Task
generate
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open fun generate()
getActions
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open fun getActions(): List<Action<in Task>>
getAnt
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open fun getAnt(): AntBuilder
getAsDynamicObject
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open fun getAsDynamicObject(): DynamicObject
getConvention
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open fun getConvention(): Convention
getDependsOn
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open fun getDependsOn(): Set<Any>
getDestroyables
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open fun getDestroyables(): TaskDestroyables
getDidWork
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open fun getDidWork(): Boolean
getExtensions
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open fun getExtensions(): ExtensionContainer
getFinalizedBy
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open fun getFinalizedBy(): TaskDependency
getIdentityPath
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open fun getIdentityPath(): Path
getInputs
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open fun getInputs(): TaskInputsInternal
abstract fun getInputs(): TaskInputs
getLifecycleDependencies
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open fun getLifecycleDependencies(): TaskDependencyInternal
abstract fun getLifecycleDependencies(): TaskDependency
getLocalState
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open fun getLocalState(): TaskLocalState
getLogger
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open fun getLogger(): Logger
getLogging
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open fun getLogging(): LoggingManager
getMainClassName
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@Input
@Optional
@Nullable
open fun getMainClassName(): String
The main class name used to start the Java application.
getMustRunAfter
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open fun getMustRunAfter(): TaskDependency
getName
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open fun getName(): String
getOnlyIf
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open fun getOnlyIf(): Spec<in TaskInternal>
getOutputs
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open fun getOutputs(): TaskOutputsInternal
abstract fun getOutputs(): TaskOutputs
getPath
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open fun getPath(): String
getProject
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open fun getProject(): Project
getReasonNotToTrackState
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open fun getReasonNotToTrackState(): Optional<String>
getReasonTaskIsIncompatibleWithConfigurationCache
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open fun getReasonTaskIsIncompatibleWithConfigurationCache(): Optional<String>
getRequiredServices
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open fun getRequiredServices(): TaskRequiredServices
getSharedResources
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open fun getSharedResources(): List<ResourceLock>
abstract fun getSharedResources(): List<out ResourceLock>
getShouldRunAfter
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open fun getShouldRunAfter(): TaskDependency
getStandardOutputCapture
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open fun getStandardOutputCapture(): StandardOutputCapture
getState
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abstract fun getState(): TaskState
getTaskActions
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open fun getTaskActions(): List<InputChangesAwareTaskAction>
getTaskDependencies
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open fun getTaskDependencies(): TaskDependencyInternal
abstract fun getTaskDependencies(): TaskDependency
getTaskIdentity
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open fun getTaskIdentity(): TaskIdentity<out Any>
getTemporaryDir
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open fun getTemporaryDir(): File
getTemporaryDirFactory
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open fun getTemporaryDirFactory(): Factory<File>
getUnixScript
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@Internal
open fun getUnixScript(): File
Returns the full path to the Unix script.
getWindowsScript
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@Internal
open fun getWindowsScript(): File
Returns the full path to the Windows script.
hasProperty
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open fun hasProperty(propertyName: String): Boolean
hasTaskActions
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open fun hasTaskActions(): Boolean
injectIntoNewInstance
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open fun <T : Task?> injectIntoNewInstance(project: ProjectInternal, identity: TaskIdentity<T>, factory: Callable<T>): T
isCompatibleWithConfigurationCache
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open fun isCompatibleWithConfigurationCache(): Boolean
isEnabled
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open fun isEnabled(): Boolean
isHasCustomActions
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open fun isHasCustomActions(): Boolean
mustRunAfter
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open fun mustRunAfter(paths: Array<Any>): Task
notCompatibleWithConfigurationCache
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open fun notCompatibleWithConfigurationCache(reason: String)
onlyIf
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open fun onlyIf(spec: Spec<in Task>)
prependParallelSafeAction
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open fun prependParallelSafeAction(action: Action<in Task>)
property
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open fun property(propertyName: String): Any
setActions
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open fun setActions(replacements: List<Action<in Task>>)
setDependsOn
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open fun setDependsOn(dependsOn: Iterable<out Any>)
setDidWork
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open fun setDidWork(didWork: Boolean)
setFinalizedBy
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open fun setFinalizedBy(finalizedByTasks: Iterable<out Any>)
setMainClassName
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open fun setMainClassName(@Nullable mainClassName: String)
setMustRunAfter
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open fun setMustRunAfter(mustRunAfterTasks: Iterable<out Any>)
setOnlyIf
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open fun setOnlyIf(spec: Spec<in Task>)
setProperty
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open fun setProperty(name: String, value: Any)
setShouldRunAfter
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open fun setShouldRunAfter(shouldRunAfterTasks: Iterable<out Any>)
shouldRunAfter
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open fun shouldRunAfter(paths: Array<Any>): TaskDependency
the
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inline fun <T : Any> ExtensionAware.the(): T

Returns the extension of the specified type.

fun <T : Any> ExtensionAware.the(extensionType: KClass<T>): T

Returns the extension of the specified extensionType.

usesService
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open fun usesService(service: Provider<out BuildService<out Any>>)