build: Don't publish snapshots to GH packages

Author: zml2008

.github/workflows/publish.yml

@@ -27,8 +27,6 @@ jobs:
       - name: Publish with Gradle
         run: ./gradlew publish --stacktrace
         env:
-          GITHUB_USERNAME: ${{ github.actor }}
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           ORG_GRADLE_PROJECT_spongeSnapshotRepo: ${{ secrets.SPONGE_MAVEN_SNAPSHOT_REPO_URL }}
           ORG_GRADLE_PROJECT_spongeReleaseRepo: ${{ secrets.SPONGE_MAVEN_RELEASE_REPO_URL }}
           ORG_GRADLE_PROJECT_spongeUsername: ${{ secrets.SPONGE_MAVEN_REPO_USER }}

buildSrc/src/main/kotlin/org/spongepowered/configurate/build/PublishingPlugin.kt

@@ -90,7 +90,7 @@ class ConfiguratePublishingPlugin : Plugin<Project> {
                 // Configure repositories
                 val ghPackagesUser = project.findProperty("gpr.user") as String? ?: System.getenv("GITHUB_USERNAME")
                 val ghPackagesPassword = project.findProperty("gpr.key") as String? ?: System.getenv("GITHUB_TOKEN")
-                if (!isRelease && ghPackagesUser != null && ghPackagesPassword != null) {
+                if (isRelease && ghPackagesUser != null && ghPackagesPassword != null) {
                     repositories.maven { repo ->
                         repo.name = "GitHubPackages"
                         repo.setUrl("https://maven.pkg.github.com/SpongePowered/Configurate")