Use braces and quotation marks consistently

.gitlab-ci.yml

@@ -104,10 +104,10 @@ voms_proxy:
     entrypoint: [""]
   script:
     - mkdir -p ${HOME}/.globus
-    - printf $GRID_USERCERT | base64 -d > ${HOME}/.globus/usercert.pem
-    - printf $GRID_USERKEY | base64 -d > ${HOME}/.globus/userkey.pem
+    - printf "${GRID_USERCERT}" | base64 -d > ${HOME}/.globus/usercert.pem
+    - printf "${GRID_USERKEY}" | base64 -d > ${HOME}/.globus/userkey.pem
     - chmod 400 ${HOME}/.globus/userkey.pem
-    - printf ${GRID_PASSWORD} | base64 -d | voms-proxy-init --voms cms --pwstdin
+    - printf "${GRID_PASSWORD}" | base64 -d | voms-proxy-init --voms cms --pwstdin
     - voms-proxy-info --all
     - voms-proxy-destroy
 
@@ -132,10 +132,10 @@ cmssw_run:
     - cd run/${CMSSW_RELEASE}/src
     - cmsenv
     - mkdir -p ${HOME}/.globus
-    - printf $GRID_USERCERT | base64 -d > ${HOME}/.globus/usercert.pem
-    - printf $GRID_USERKEY | base64 -d > ${HOME}/.globus/userkey.pem
+    - printf "${GRID_USERCERT}" | base64 -d > ${HOME}/.globus/usercert.pem
+    - printf "${GRID_USERKEY}" | base64 -d > ${HOME}/.globus/userkey.pem
     - chmod 400 ${HOME}/.globus/userkey.pem
-    - printf ${GRID_PASSWORD} | base64 -d | voms-proxy-init --voms cms --pwstdin
+    - printf "${GRID_PASSWORD}" | base64 -d | voms-proxy-init --voms cms --pwstdin
     - cd AnalysisCode/ZPeakAnalysis/
     - cmsRun test/MyZPeak_cfg.py
     - ls -l myZPeak.root
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