Just set GITLAB_DATABASE in the script

.gitlab-ci.yml

@@ -315,7 +315,6 @@ rake mysql db:rollback:
        /home/git/repositories/gitlab-org/gitlab-test.git
     - bundle exec rake db:setup db:seed_fu
   variables:
-    GITLAB_DATABASE: $CI_JOB_NAME[1]
     SIZE: "1"
     SETUP_DB: "false"
     RAILS_ENV: "development"
@@ -435,7 +434,6 @@ bundler:audit:
     - source scripts/prepare_build.sh
     - bundle exec rake db:migrate
   variables:
-    GITLAB_DATABASE: $CI_JOB_NAME[1]
     SETUP_DB: "false"
 
 migration pg paths:

scripts/prepare_build.sh

@@ -2,12 +2,8 @@
 
 . scripts/utils.sh
 
-echo $CI_JOB_NAME
-job_name=$(echo $CI_JOB_NAME | cut -f2 -d' ')
-echo $job_name
-
 export SETUP_DB=${SETUP_DB:-true}
-export GITLAB_DATABASE=${GITLAB_DATABASE:-$job_name}
+export GITLAB_DATABASE=$(echo $CI_JOB_NAME | cut -f2 -d' ')
 export USE_BUNDLE_INSTALL=${USE_BUNDLE_INSTALL:-true}
 
 if [ "$GITLAB_DATABASE" != 'mysql' ]; then