Ignore docs for snapshot publish, apply SNAPSHOT classifier

.github/workflows/publish_snapshot.yml

@@ -1,6 +1,9 @@
 name: Build and publish snapshot
 
-on: [push]
+on:
+  push:
+    paths-ignore:
+      - 'docs'
 
 jobs:
   publish:
@@ -21,4 +24,4 @@ jobs:
       - name: Publish with Gradle
         uses: gradle/[email protected]
         with:
-          arguments: clean build publish --info --stacktrace -PsleepingUsername=${{secrets.SLEEPING_USERNAME}} -PsleepingPassword=${{secrets.SLEEPING_PASSWORD}}
+          arguments: clean build publish --info --stacktrace -PsleepingUsername=${{secrets.SLEEPING_USERNAME}} -PsleepingPassword=${{secrets.SLEEPING_PASSWORD}} -PversionSuffix=SNAPSHOT

build.gradle

@@ -59,16 +59,17 @@ tasks.withType(org.gradle.api.tasks.javadoc.Javadoc) {
 }
 
 def versionSuffix = ''
+if (project.hasProperty("versionSuffix")) {
+	versionSuffix += '-'+project.versionSuffix
+}
 if (System.env.BUILD_NUMBER) {
-	versionSuffix = '-'+System.env.BUILD_NUMBER;
+	versionSuffix += '-'+System.env.BUILD_NUMBER;
 }
 
 tasks.withType(JavaCompile) {
 	options.encoding = "UTF-8"
 }
 
-
-
 publishing {
 	publications {
 		mavenPrimary(MavenPublication) {