Open source

Add `project.build.outputTimestamp` for reproducible builds

Recipe IDorg.openrewrite.maven.cleanup.AddProjectBuildOutputTimestampArtifactorg.openrewrite:rewrite-maven

Adds the project.build.outputTimestamp property, which Maven uses to make build outputs reproducible by stamping archive entries with a fixed timestamp instead of the current time. An existing value is preserved. See Configuring for Reproducible Builds.

Composite recipeApache 2.0

Add to your build

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~/.gradle/gradle.properties

codeGenomeUsername=you@example.com
codeGenomeToken=YOUR_DOWNLOAD_TOKEN

build.gradle.kts

plugins {
    id("org.openrewrite.rewrite") version("latest.release")
}

rewrite {
    activeRecipe("org.openrewrite.maven.cleanup.AddProjectBuildOutputTimestamp")
}

repositories {
    mavenCentral()
    maven {
        url = uri("https://artifacts.codegenomeproject.org/maven")
        credentials {
            username = providers.gradleProperty("codeGenomeUsername").get()
            password = providers.gradleProperty("codeGenomeToken").get()
        }
    }
}

dependencies {
    rewrite("org.openrewrite:rewrite-maven:8.92.8")
}

Then run

./gradlew rewriteRun

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.maven.cleanup.AddProjectBuildOutputTimestamp

If the recipe isn’t available locally, install it with:

mod config recipes jar install org.openrewrite:rewrite-maven:RELEASE

Options

Name	Type	Description
`timestamp`	`String`	ISO 8601 timestamp, integer seconds since the epoch, or property reference such as `${git.commit.author.time}`. Defaults to `1980-01-01T00:00:02Z`, the earliest value accepted by Maven's ZIP-producing toolchain. e.g. `2024-01-01T00:00:00Z`

Definition

This recipe runs the following recipes in order.

Add Maven project property project.build.outputTimestamp=1980-01-01T00:00:02Zorg.openrewrite.maven.AddProperty

Data tables

Structured output this recipe can produce.

Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats