Update the build.gradle for publishing

The updated versions of gradle appear to require a slightly different
way of publishing.

Based on a local empirical test, these changes appear to be sound

Signed-off-by: Matthew B White <whitemat@uk.ibm.com>

Author: mbwhite

ci/azure-pipelines.yml

@@ -198,8 +198,8 @@ stages:
             inputs:
               secureFile: secring.gpg
           - script: |
-              ./gradlew -Psigning.keyId=${SIGNING_ID} -Psigning.password=${SIGNING_PASSWORD} -Psigning.secretKeyRingFile=${KEYRING_FILE} -PossrhUsername=${OSSRH_USER} -PossrhPassword=${OSSRH_PASSWORD} publishMavenPublicationToReleaseRepository
-              ./gradlew -Psigning.keyId=${SIGNING_ID} -Psigning.password=${SIGNING_PASSWORD} -Psigning.secretKeyRingFile=${KEYRING_FILE} -PossrhUsername=${OSSRH_USER} -PossrhPassword=${OSSRH_PASSWORD} publishMavenPublicationToSnapshotRepository
+              ./gradlew -Psigning.keyId=${SIGNING_ID} -Psigning.password=${SIGNING_PASSWORD} -Psigning.secretKeyRingFile=${KEYRING_FILE} -PossrhUsername=${OSSRH_USER} -PossrhPassword=${OSSRH_PASSWORD} publishAllPublicationsToReleaseRepository
+              ./gradlew -Psigning.keyId=${SIGNING_ID} -Psigning.password=${SIGNING_PASSWORD} -Psigning.secretKeyRingFile=${KEYRING_FILE} -PossrhUsername=${OSSRH_USER} -PossrhPassword=${OSSRH_PASSWORD} publishAllPublicationsToSnapshotRepository
             env:
               SIGNING_ID: $(JAR-Signing-Id)
               SIGNING_PASSWORD: $(JAR-Signing-Password)

fabric-chaincode-protos/build.gradle

@@ -114,10 +114,6 @@ if (JavaVersion.current().isJava8Compatible()) {
     }
 }
 
-task javadocJar(type: Jar) {
-    classifier = 'javadoc'
-    from javadoc
-}
 
 
 publishing {
@@ -224,11 +220,7 @@ signing {
     }
 }
 
-task sourcesJar(type: Jar) {
-    classifier = 'sources'
-    from sourceSets.main.allSource
-}
-
-artifacts {
-    archives javadocJar, sourcesJar
+java {
+    withJavadocJar()
+    withSourcesJar()
 }

fabric-chaincode-shim/build.gradle

@@ -223,10 +223,6 @@ if (JavaVersion.current().isJava8Compatible()) {
     }
 }
 
-task javadocJar(type: Jar) {
-    classifier = 'javadoc'
-    from javadoc
-}
 
 publishing {
      publications {
@@ -333,18 +329,22 @@ signing {
     }
 }
 
+// Need to specify the sourcesJar task BEFORE the java{withSourcesJar()} so that it picks up the duplicatesStratergy
+// otherwise this fails with a duplicates error.
+// (see https://github.com/gradle/gradle/issues/17236)
+
 task sourcesJar(type: Jar) {
     duplicatesStrategy = 'include'
     classifier = 'sources'
     from sourceSets.main.allSource
 }
 
-artifacts {
-    archives javadocJar, sourcesJar
+java {
+    withJavadocJar()
+    withSourcesJar()
 }
 
 
-
 build.dependsOn licenseCheck
 
 // setup more detailed test output formats

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists