Fail in case version file can't be donwloaded. This is an indication that

something went seriously wrong and any subsequent errors will point in the
wrong direction.

Author: percona-mhansson

jenkins/pipeline-parallel-mtr.groovy

@@ -372,10 +372,12 @@ def getServerVersion() {
             RAW_VERSION_LINK=$(echo ${GIT_REPO_LINK%.git} | sed -e "s:github.com:raw.githubusercontent.com:g")
             REPLY=$(curl -Is ${RAW_VERSION_LINK}/${BRANCH}/MYSQL_VERSION | head -n 1 | awk '{print $2}')
             if [[ ${REPLY} != 200 ]]; then
-                curl ${RAW_VERSION_LINK}/${BRANCH}/VERSION -o ${WORKSPACE}/VERSION-${BUILD_NUMBER}
+                VERSION_FILE=VERSION
             else
-                curl ${RAW_VERSION_LINK}/${BRANCH}/MYSQL_VERSION -o ${WORKSPACE}/VERSION-${BUILD_NUMBER}
+                VERSION_FILE=MYSQL_VERSION
             fi
+            curl --fail ${RAW_VERSION_LINK}/${BRANCH}/${VERSION_FILE} -o ${WORKSPACE}/VERSION-${BUILD_NUMBER} || \
+                { echo "Failed to download MYSQL_VERSION file"; exit 1; }
          '''
     } // withCredentials
 
@@ -749,7 +751,7 @@ pipeline {
                         script {
                             // Set ccache size as environment variable
                             env.CCACHE_MAXSIZE = CCACHE_MAXSIZE
-                            
+
                             // Set BUILD_PARAMS_TYPE based on ANALYZER_OPTS
                             if (env.ANALYZER_OPTS) {
                                 if (env.ANALYZER_OPTS.contains('ASAN')) {