Quiet down the warning to one line on the task itself.

Disable signing ourselves because gradle injects code into our package at runtime and it breaks signatures.

.github/workflows/gradle_publish_on_push.yml

@@ -18,10 +18,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Set up JDK 17
+      - name: Set up JDK 8
         uses: actions/setup-java@v2
         with:
-          java-version: 17
+          java-version: 8
           distribution: 'adopt'
           cache: gradle
       - name: Build and Publish

build.gradle

@@ -5,7 +5,6 @@ plugins {
     id 'java-gradle-plugin'
     id 'eclipse'
     id 'net.minecraftforge.gradleutils' version '2.0.11'
-    id 'net.minecraftforge.gradlejarsigner' version '1.0.0'
 }
 
 repositories {
@@ -15,7 +14,6 @@ repositories {
 group = 'net.minecraftforge'
 java.toolchain.languageVersion = JavaLanguageVersion.of(8)
 java.withSourcesJar()
-jarSigner.fromEnvironmentVariables()
 
 license {
     header project.file('LICENSE-header.txt')
@@ -51,10 +49,9 @@ jar {
             'Implementation-Title':     'SimpleGradleJarSigner',
             'Implementation-Version':   project.version,
             'Implementation-Vendor':    'Forge Development LLC'
-        ] as LinkedHashMap, 'net/minecraftforge/GradleJarSigner/')
+        ] as LinkedHashMap, 'net/minecraftforge/gradlejarsigner/')
     }
 }
-jarSigner.sign(jar)
 
 publishing {
     publications {

src/main/java/net/minecraftforge/gradlejarsigner/GradleJarSignerExtension.java

@@ -81,7 +81,5 @@ private void set(String key, Consumer<String> prop) {
         String data = System.getenv(key);
         if (data != null)
             prop.accept(data);
-        else
-            this.project.getLogger().warn("Missing " + key + " Environment Variable");
     }
 }

src/main/java/net/minecraftforge/gradlejarsigner/SignTask.java

@@ -98,6 +98,8 @@ private <T extends Task> void signSafe(T task) {
         try {
             if (hasEnoughInfo())
                 this.sign(task);
+            else
+                task.getLogger().warn("Jar will be unsigned, missing key information");
         } catch (IOException e) {
             throw new RuntimeException(e);
         }