Do not skip the new line character, we strip multiple empty lines later.

Author: LexManos

Jenkinsfile

@@ -38,7 +38,7 @@ pipeline {
         }
         stage('buildandtest') {
             steps {
-                sh './gradlew ${GRADLE_ARGS} --refresh-dependencies --continue build' // test'
+                sh './gradlew ${GRADLE_ARGS} --refresh-dependencies --continue --stacktrace --info build' // test'
                 script {
                     env.MYVERSION = sh(returnStdout: true, script: './gradlew properties -q | grep "version:" | awk \'{print $2}\'').trim()
                 }
@@ -62,7 +62,7 @@ pipeline {
                 FORGE_MAVEN = credentials('forge-maven-forge-user')
             }
             steps {
-                sh './gradlew ${GRADLE_ARGS} uploadArchives -PforgeMavenUser=${FORGE_MAVEN_USR} -PforgeMavenPassword=${FORGE_MAVEN_PSW}'
+                sh './gradlew ${GRADLE_ARGS} --stacktrace --info uploadArchives -PforgeMavenUser=${FORGE_MAVEN_USR} -PforgeMavenPassword=${FORGE_MAVEN_PSW}'
             }
         }
     }

src/main/java/net/minecraftforge/gradle/util/mcp/McpCleanup.java

@@ -86,7 +86,8 @@ else if (state == CommentState.SINGLE_LINE_COMMENT)
                     {
                         i++;
                     }
-                    i += 1; // skip the ending newline
+                    //i += 1; // skip the ending newline
+                    // Successive new lines will be fixed by our regex below.
                 }
                 else // state == CommentState.MULTI_LINE_COMMENT
                 {