timelimit-server: fix image tag

.gitlab-ci.yml

@@ -25,9 +25,11 @@ include:
     - |
       # No dashes allowes in bash variable names
       GIT_TAG_VAR="GIT_TAG_${BUILD_DIR//-/_}"
+      export $GIT_TAG_VAR
       if [ -n "${!GIT_TAG_VAR}" ]; then
-        IMAGE_TAG="${!GIT_TAG_VAR}"
+        export IMAGE_TAG="${!GIT_TAG_VAR}"
       fi
+    - |
       if [ -z ${IMAGE_TAG+x} ]; then
         if [ "$CI_COMMIT_REF_NAME" = $CI_DEFAULT_BRANCH ]; then
             VERSION="latest"
@@ -41,13 +43,15 @@ include:
             VERSION="branch-$SANITIZED"
           fi
         export IMAGE_TAG=$CI_REGISTRY_IMAGE:$VERSION
+      else
+        export IMAGE_TAG=$CI_REGISTRY_IMAGE:$IMAGE_TAG
       fi
     - export BUILD_DIR=${BUILD_DIR:-$CI_JOB_NAME}
     - |
       URL_VAR="GIT_URL_${BUILD_DIR//-/_}"
       if [ -n "${!URL_VAR}" ]; then
         dnf install -y git
-        git clone "${!URL_VAR}"
+        git clone --depth 1 --branch "${!GIT_TAG_VAR}" "${!URL_VAR}"
       fi
     - cd $BUILD_DIR
     - export image="${CI_REGISTRY_IMAGE}/$BUILD_DIR"