# tag::cli[]
# gradle --quiet incrementalReverse
# end::cli[]

commands: [{
    executable: gradle
    args: originalInputs incrementalReverse
    flags: --quiet
}, {
    executable: gradle
    args: incrementalReverse
    expected-output-file: incrementalTaskNoChange.out

# tag::cli[]
# gradle --quiet -PtaskInputProperty=changed incrementalReverse
# end::cli[]

commands: [{
    executable: gradle
    args: originalInputs incrementalReverse
    flags: --quiet
}, {
    executable: gradle
    args: incrementalReverse
    flags: "--quiet -PtaskInputProperty=changed"
    expected-output-file: incrementalTaskChangedProperty.out
    allow-disordered-output: true

commands: [{
    executable: gradle
    args: originalInputs incrementalReverse
    flags: --quiet
}, {
    executable: gradle
    args: removeInput incrementalReverse
    flags: --quiet
    expected-output-file: incrementalTaskRemovedInput.out

# tag::cli[]
# gradle --quiet incrementalReverse
# end::cli[]

commands: [{
    executable: gradle
    args: originalInputs
}, {
    executable: gradle
    args: incrementalReverse
    flags: --quiet
    expected-output-file: incrementalTaskFirstRun.out
    allow-disordered-output: true

commands: [{
    executable: gradle
    args: originalInputs incrementalReverse
    flags: --quiet
}, {
    executable: gradle
    args: removeOutput incrementalReverse
    flags: --quiet
    expected-output-file: incrementalTaskRemovedOutput.out
    allow-disordered-output: true

}
// end::removed-output[]

// tag::reverse[]
tasks.register('incrementalReverse', IncrementalReverseTask) {
    inputDir = file('inputs')
    outputDir = layout.buildDirectory.dir("outputs")
    inputProperty = project.properties['taskInputProperty'] ?: 'original'
}
// end::reverse[]

incrementalReverse.mustRunAfter(originalInputs, updateInputs, removeInput, removeOutput)

// tag::incremental-task[]

commands: [{
    executable: gradle
    args: originalInputs incrementalReverse
    flags: --quiet
}, {
    executable: gradle
    args: updateInputs incrementalReverse
    flags: --quiet
    expected-output-file: incrementalTaskUpdatedInputs.out
    allow-disordered-output: true

> Task :incrementalReverse UP-TO-DATE

BUILD SUCCESSFUL in 0s

}
// end::removed-output[]

// tag::reverse[]
tasks.register<IncrementalReverseTask>("incrementalReverse") {
    inputDir = file("inputs")
    outputDir = layout.buildDirectory.dir("outputs")
    inputProperty = project.findProperty("taskInputProperty") as String? ?: "original"
}
// end::reverse[]

tasks.named("incrementalReverse") { mustRunAfter("originalInputs", "updateInputs", "removeInput", "removeOutput") }

    └── 3.txt
----

[source, text]
----
$ gradle -q incrementalReverse
include::{snippetsPath}/tasks/incrementalTask/tests/incrementalTaskFirstRun.out[]
----

Naturally, when the task is executed again with no changes, then the entire task is `UP-TO-DATE`, and the task action is not executed:

[source, text]
----
$ gradle incrementalReverse