Configuring signing keys for all kinds of projects (#205)

Author: LikeTheSalad

build-tools/src/main/java/co/elastic/apm/compile/tools/publishing/ApmPublisherPlugin.java

@@ -2,6 +2,7 @@
 
 import org.gradle.api.plugins.PluginContainer;
 import org.gradle.api.publish.maven.plugins.MavenPublishPlugin;
+import org.gradle.plugins.signing.SigningExtension;
 import org.gradle.plugins.signing.SigningPlugin;
 
 import co.elastic.apm.compile.tools.base.BaseProjectTypePlugin;
@@ -28,6 +29,8 @@ private void applyCommonPlugins(PluginContainer plugins) {
         plugins.apply(MavenPublishPlugin.class);
         if (PublishingUtils.isRelease(project)) {
             plugins.apply(SigningPlugin.class);
+            SigningExtension signing = project.getExtensions().getByType(SigningExtension.class);
+            signing.useInMemoryPgpKeys(System.getenv("SECRING_ASC"), System.getenv("KEYPASS_SECRET"));
         }
     }
 }

build-tools/src/main/java/co/elastic/apm/compile/tools/publishing/subprojects/BaseApmPublisherPlugin.java

@@ -64,7 +64,6 @@ private void configurePom(MavenPublication publication) {
 
     private void signPublication(MavenPublication publication) {
         SigningExtension signing = project.getExtensions().getByType(SigningExtension.class);
-        signing.useInMemoryPgpKeys(System.getenv("SECRING_ASC"), System.getenv("KEYPASS_SECRET"));
         signing.sign(publication);
     }