[ci skip] Only publish releases from the main branch

universal/build.gradle.kts

@@ -46,15 +46,17 @@ publishShadowJar()
 val branch = rootProject.branchName()
 val baseVersion = project.version as String
 val isRelease = !baseVersion.contains('-')
-val suffixedVersion = if (isRelease) baseVersion else baseVersion + "+" + System.getenv("GITHUB_RUN_NUMBER")
-val changelogContent = if (isRelease) {
+val isMainBranch = branch == "master"
+if (!isRelease || isMainBranch) { // Only publish releases from the main branch
+    val suffixedVersion = if (isRelease) baseVersion else baseVersion + "+" + System.getenv("GITHUB_RUN_NUMBER")
+    val changelogContent = if (isRelease) {
         "See [GitHub](https://github.com/ViaVersion/ViaVersion) for release notes."
-} else {
+    } else {
         val commitHash = rootProject.latestCommitHash()
         "[$commitHash](https://github.com/ViaVersion/ViaVersion/commit/$commitHash) ${rootProject.latestCommitMessage()}"
-}
-val isMainBranch = branch == "master"
-modrinth {
+    }
+
+    modrinth {
         val mcVersions: List<String> = (property("mcVersions") as String)
                 .split(",")
                 .map { it.trim() }
@@ -78,9 +80,9 @@ modrinth {
             optional.project("viafabric")
             optional.project("viafabricplus")
         }
-}
+    }
 
-hangarPublish {
+    hangarPublish {
         publications.register("plugin") {
             version.set(suffixedVersion)
             id.set("ViaVersion")
@@ -102,4 +104,5 @@ hangarPublish {
                 }
             }
         }
+    }
 }