preserve logic for skipping snapshot PRs

Author: chingor13

.kokoro/build.sh

@@ -84,7 +84,9 @@ case ${JOB_TYPE} in
     ;;
   integration-single)
     generate_modified_modules_list false
-    if [[ ! " ${modified_module_list[*]} " =~ " ${BUILD_SUBDIR} " ]]; then
+    if [[ "$(release_please_snapshot_pull_request)" == "true" ]]; then
+      echo "Not running integration checks -- this is Release Please SNAPSHOT pull request."
+    elif [[ ! " ${modified_module_list[*]} " =~ " ${BUILD_SUBDIR} " ]]; then
       echo "${BUILD_SUBDIR} not modified, skipping split integration test"
     else
       echo "${BUILD_SUBDIR} modified, running split integration test"
@@ -141,7 +143,9 @@ case ${JOB_TYPE} in
     ;;
   graalvm-single)
     generate_modified_modules_list false    
-    if [[ ! " ${modified_module_list[*]} " =~ " ${BUILD_SUBDIR} " ]]; then
+    if [[ "$(release_please_snapshot_pull_request)" == "true" ]]; then
+      echo "Not running GraalVM checks -- this is Release Please SNAPSHOT pull request."
+    elif [[ ! " ${modified_module_list[*]} " =~ " ${BUILD_SUBDIR} " ]]; then
       echo "${BUILD_SUBDIR} not modified, skipping split GraalVM test"
     else
       echo "${BUILD_SUBDIR} modified, running split GraalVM test"
@@ -168,6 +172,13 @@ case ${JOB_TYPE} in
     fi
     ;;
   lint)
+    if [[ -n "${BUILD_SUBDIR}" ]]
+    then
+      echo "Compiling and building all modules for ${BUILD_SUBDIR}"
+      install_modules "${BUILD_SUBDIR}"
+      echo "Running in subdir: ${BUILD_SUBDIR}"
+      pushd "${BUILD_SUBDIR}"
+    fi
     if [ -n "${BASE_SHA}" ] && [ -n "${HEAD_SHA}" ]; then
         changed_file_list=$(git diff --name-only "${BASE_SHA}" "${HEAD_SHA}")
         echo "${changed_file_list}"
@@ -195,6 +206,12 @@ case ${JOB_TYPE} in
       -T 1.5C \
       com.spotify.fmt:fmt-maven-plugin:check
     mvn -B -ntp checkstyle:check@checkstyle
+
+    if [[ -n "${BUILD_SUBDIR}" ]]
+    then
+      echo "restoring directory"
+      popd
+    fi
     ;;
   *) ;;