chore: add prerelease label to publish to maven local (#203)

* chore: add prerelease tag to publish to maven local

* removes newline

* wrap signing in conditional

.github/workflows/gradle.yml

@@ -20,6 +20,11 @@ jobs:
       uses: eskatos/gradle-command-action@v1
       with:
         arguments: build
+    - name: Publish to Maven Local
+      if: contains(github.event.pull_request.labels.*.name, 'prerelease')
+      uses: eskatos/gradle-command-action@v1
+      with:
+        arguments: publishToMavenLocal
     - name: Build Examples
       uses: eskatos/gradle-command-action@v1
       with:

build.gradle

@@ -59,7 +59,6 @@ subprojects {
         || project.name == "grpc-kotlin-stub-lite"
     ) {
         apply plugin: 'maven-publish'
-        apply plugin: 'signing'
 
         plugins.withId("maven-publish") {
             publishing {
@@ -115,8 +114,11 @@ subprojects {
             }
         }
 
-        signing {
-            sign publishing.publications
+        if (project.hasProperty("signing.keyId")) {
+            apply plugin: 'signing'
+            signing {
+                sign publishing.publications
+            }
         }
     }