[ci skip] Fix branch check in publishing

build-logic/src/main/kotlin/extensions.kt

@@ -50,7 +50,7 @@ fun Project.latestCommitMessage(): String {
 fun Project.branchName(): String {
     val byteOut = ByteArrayOutputStream()
     exec {
-        commandLine = listOf("git", "branch")
+        commandLine = listOf("git", "symbolic-ref", "--short", "HEAD")
         standardOutput = byteOut
     }
     return byteOut.toString(Charsets.UTF_8.name()).trim()

universal/build.gradle.kts

@@ -46,15 +46,16 @@ 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/ViaBackwards) for release notes."
-} else {
+    } else {
         val commitHash = rootProject.latestCommitHash()
         "[$commitHash](https://github.com/ViaVersion/ViaBackwards/commit/$commitHash) ${rootProject.latestCommitMessage()}"
-}
-val isMainBranch = branch == "master"
-modrinth {
+    }
+    modrinth {
         // val snapshotVersion = rootProject.parseMinecraftSnapshotVersion(project.version as String)
         val mcVersions: List<String> = (property("mcVersions") as String)
                 .split(",")
@@ -82,9 +83,9 @@ modrinth {
             optional.project("viafabric")
             optional.project("viafabricplus")
         }
-}
+    }
 
-hangarPublish {
+    hangarPublish {
         publications.register("plugin") {
             version.set(suffixedVersion)
             id.set("ViaBackwards")
@@ -121,4 +122,5 @@ hangarPublish {
                 }
             }
         }
+    }
 }