Removing the verbose in tars

.gitlab-ci.yml

@@ -89,7 +89,7 @@ spack:setup:
   needs:
     - job: spack:checkout
   after_script:
-    - tar cvzf artifacts_${stack}_${environment}.tgz $stack/environment
+    - tar czf artifacts_${stack}_${environment}.tgz $stack/environment
   artifacts:
     paths:
       - artifacts_${stack}_${environment}.tgz
@@ -102,14 +102,14 @@ spack:install_compilers:
   before_script:
     - if [ -e artifacts_${stack}_${environment}.tgz ];
       then
-        tar xvzf artifacts_${stack}_${environment}.tgz;
+        tar xzf artifacts_${stack}_${environment}.tgz;
       fi
   script:
     - ci/install_compilers.sh
     - source ci/stack_env.sh
     - ${STACK_LOCATION}/spack/bin/spack -e ${environment} config blame compilers
   after_script:
-    - tar cvzf
+    - tar czf
         artifacts_${stack}_${environment}.tgz
         $stack/spack/var/spack/environments
   artifacts:
@@ -129,14 +129,14 @@ spack:concretize:
   before_script:
     - if [ -e artifacts_${stack}_${environment}.tgz ];
       then
-        tar xvzf artifacts_${stack}_${environment}.tgz;
+        tar xzf artifacts_${stack}_${environment}.tgz;
       fi
   script:
     - source ci/stack_env.sh
     - ${STACK_LOCATION}/spack/bin/spack -e ${environment} config blame
     - ${STACK_LOCATION}/spack/bin/spack -e ${environment} concretize --force
   after_script:
-    - tar cvzf
+    - tar czf
         artifacts_${stack}_${environment}.tgz
         $stack/spack/var/spack/environments
   artifacts:
@@ -154,7 +154,7 @@ spack:install:
   before_script:
     - if [ -e artifacts_${stack}_${environment}.tgz ];
       then
-        tar xvzf artifacts_${stack}_${environment}.tgz;
+        tar xzf artifacts_${stack}_${environment}.tgz;
       fi
   script:
     - source ci/stack_env.sh
@@ -172,7 +172,7 @@ spack:install:
       --key EDC904DCE3D2E84E
       /buildcache
   after_script:
-    - tar cvzf
+    - tar czf
         artifacts_${stack}_${environment}.tgz
         $stack/spack/var/spack/environments
   needs: