chore: email tests results to the last committer for a PR (deeppavlov…

…#1177)

* chore: test getting last committer email to send test results

* fix: try to get the email differently

* fix: try to send the email differently

* fix: try to concatenate stings with different emails

* chore: turn full testing back on

* chore: test an ok looking string for email list

* chore: turn full testing back on

Jenkinsfile

@@ -8,6 +8,11 @@ node('cuda-module') {
                 checkout scm
             }
             stage('Setup') {
+                GIT_COMMIT_EMAIL = sh (
+                    script: "git --no-pager show -s --format='%ae'",
+                    returnStdout: true
+                ).trim()
+
                 env.TFHUB_CACHE_DIR="tfhub_cache"
                 sh """
                     virtualenv --python=python3.7 '.venv-$BUILD_NUMBER'
@@ -39,7 +44,7 @@ node('cuda-module') {
             throw e
         }
         finally {
-            emailext to: '${DEFAULT_RECIPIENTS}',
+            emailext to: "\${DEFAULT_RECIPIENTS}, ${GIT_COMMIT_EMAIL}",
                 subject: "${env.JOB_NAME} - Build # ${currentBuild.number} - ${currentBuild.result}!",
                 body: '${BRANCH_NAME} - ${BUILD_URL}',
                 attachLog: true