Merge branch 'FileExistsCheck-hz' into 'master'

Add check for existence of file in run_unifire_docker.sh

See merge request uniprot-public/unifire!10

docker/bin/run_unifire_docker.sh

@@ -23,7 +23,7 @@ infile=""
 outdir=""
 workdir=""
 cleanworkdir=0
-docker_version="2020.4"
+docker_version="2020.4.1"
 predictionfiles="predictions_unirule.out predictions_arba.out predictions_unirule-pirsr.out"
 
 function usage() {

docker/scripts/unifire-workflow.sh

@@ -50,7 +50,10 @@ ownership=`stat -c "%u:%g" ${VOLUME}/proteins.fasta`
 for outfile in  proteins_lineage.fasta proteins_lineage-ipr.xml proteins_lineage-ipr-urml.xml predictions_unirule.out \
   predictions_arba.out predictions_unirule-pirsr.out seq aln
 do
-  chown -R ${ownership} ${VOLUME}/${outfile}
+  if [[ -e ${VOLUME}/${outfile} ]]
+  then
+    chown -R ${ownership} ${VOLUME}/${outfile}
+  fi
 done