more robust update of VERSION file

update version only if no push to development has occured in the
meantime.

Less error prone.  Very small change for race condition remains

.gitlab-ci.yml

@@ -172,6 +172,10 @@ Marc:
 ###################################################################################################
 grid_runtime:
   stage: performance
+  before_script:
+    - ${LOCAL_HOME}/bin/queue ${CI_JOB_ID} --blocking
+    - source env/DAMASK.sh
+    - echo Job start:" $(date)"
   script:
     - module load ${COMPILER_INTEL} ${MPI_INTEL} ${PETSC_INTEL}
     - cd $(mktemp -d)
@@ -186,10 +190,6 @@ grid_runtime:
         --output_dir ./
         --tag ${CI_COMMIT_SHA}
     - if [ ${CI_COMMIT_BRANCH} == development ]; then git commit -am ${CI_PIPELINE_ID}_${CI_COMMIT_SHA}; git push; fi
-  before_script:
-    - ${LOCAL_HOME}/bin/queue ${CI_JOB_ID} --blocking
-    - source env/DAMASK.sh
-    - echo Job start:" $(date)"
 
 
 ###################################################################################################
@@ -209,19 +209,10 @@ update_revision:
   script:
     - cd $(mktemp -d)
     - git clone -q git@git.damask.mpie.de:damask/DAMASK.git .
-    - git checkout ${CI_COMMIT_SHA}
-    - export VERSION=$(git describe)
+    - git pull
+    - export VERSION=$(git describe ${CI_COMMIT_SHA})
     - echo ${VERSION} > python/damask/VERSION
-    - git add python/damask/VERSION
-    - git commit -m "[skip ci] updated version information after successful test of $VERSION"
-    - export UPDATEDREV=$(git describe)                                                             # tested state + 1 commit
-    - git checkout master
-    - git pull
-    - git merge $UPDATEDREV -s recursive -X ours                                                    # conflicts occur only for inconsistent state
-    - git push
-    - git checkout development
-    - git pull
-    - git merge master -s recursive -X ours -m "[skip ci] Merge branch 'master' into development"   # only possible conflict is in VERSION file
-    - git push origin development                                                                   # development is unchanged (as master is based on it) but has updated VERSION file
+    - git commit python/damask/VERSION -m "[skip ci] updated version information after successful test of $VERSION"
+    - if [ ${CI_COMMIT_SHA} == $(git rev-parse HEAD^) ]; then git push origin HEAD:master HEAD:development; fi
   only:
     - development