Rename artifacts before attestation (#3848)

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Co-authored-by: Marc Philipp <mail@marcphilipp.de>

documentation/documentation.gradle.kts

@@ -90,6 +90,7 @@ asciidoctorj {
 	requires(file("src/docs/asciidoc/resources/themes/rouge_junit.rb"))
 }
 
+val buildRevision: String by rootProject.extra
 val snapshot = rootProject.version.toString().contains("SNAPSHOT")
 val docsVersion = if (snapshot) "snapshot" else rootProject.version
 val releaseBranch = if (snapshot) "HEAD" else "r${rootProject.version}"
@@ -516,6 +517,7 @@ tasks {
 	val prepareGitHubAttestation by registering(Sync::class) {
 		from(attestationClasspath)
 		into(layout.buildDirectory.dir("attestation"))
+		rename("(.*)-SNAPSHOT.jar", "$1-SNAPSHOT+${buildRevision.substring(0, 7)}.jar")
 	}
 }
 

gradle/plugins/common/src/main/kotlin/junitbuild.build-metadata.gradle.kts

@@ -30,5 +30,5 @@ val buildTime: String by extra { timeFormatter.format(buildTimeAndDate) }
 val buildRevision: String by extra {
 	providers.exec {
 		commandLine("git", "rev-parse", "--verify", "HEAD")
-	}.standardOutput.asText.get()
+	}.standardOutput.asText.get().trim()
 }