[CI] Align git author with commiter

Jenkinsfile

@@ -101,6 +101,10 @@ pipeline {
         MAC_CXX = 'clang++'
         LINUX_CXX = 'clang++-6.0'
         WIN_CXX = 'g++'
+        GIT_AUTHOR_NAME = 'Stan Jenkins'
+        GIT_AUTHOR_EMAIL = 'mc.stanislaw@gmail.com'
+        GIT_COMMITTER_NAME = 'Stan Jenkins'
+        GIT_COMMITTER_EMAIL = 'mc.stanislaw@gmail.com'
     }
     stages {
 
@@ -133,10 +137,8 @@ pipeline {
                         clang-format --version
                         find src -name '*.hpp' -o -name '*.cpp' | xargs -n20 -P${PARALLEL} clang-format -i
                         if [[ `git diff` != "" ]]; then
-                            git config user.email "mc.stanislaw@gmail.com"
-                            git config user.name "Stan Jenkins"
                             git add src
-                            git commit --author="Stan BuildBot <mc.stanislaw@gmail.com>" -m "[Jenkins] auto-formatting by `clang-format --version`"
+                            git commit -m "[Jenkins] auto-formatting by `clang-format --version`"
                             git push https://${GIT_USERNAME}:${GIT_PASSWORD}@github.com/${fork()}/stan.git ${branchName()}
                             echo "Exiting build because clang-format found changes."
                             echo "Those changes are now found on stan-dev/stan under branch ${branchName()}"
@@ -150,6 +152,7 @@ pipeline {
                 always { deleteDir() }
                 failure {
                     script {
+                        deleteDir()
                         emailext (
                             subject: "[StanJenkins] Autoformattted: Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]'",
                             body: "Job '${env.JOB_NAME} [${env.BUILD_NUMBER}]' " +

src/stan/services/optimize/laplace_sample.hpp

@@ -69,8 +69,10 @@ void laplace_sample(const Model& model, const Eigen::VectorXd& theta_hat,
   interrupt();
   math::internal::finite_diff_hessian_auto(log_density_fun, theta_hat, log_p,
                                            grad, hessian);
-  if (refresh > 0 && log_density_msgs.peek() != std::char_traits<char>::eof())
-    logger.info(log_density_msgs);
+  if (refresh > 0) {
+    if (log_density_msgs.peek() != std::char_traits<char>::eof())
+      logger.info(log_density_msgs);
+  }
 
   // calculate Cholesky factor and inverse
   interrupt();

src/test/unit/services/optimize/laplace_sample_test.cpp

@@ -59,7 +59,6 @@ TEST_F(ServicesLaplaceSample, values) {
   EXPECT_EQ("y[2]", draws_csv.header[1]);
   EXPECT_EQ("log_p", draws_csv.header[2]);
   EXPECT_EQ("log_q", draws_csv.header[3]);
-
   Eigen::MatrixXd sample = draws_csv.samples;
   EXPECT_EQ(4, sample.cols());
   EXPECT_EQ(draws, sample.rows());