Merge branch 'duplicate#32' into 'master'

Update check.sh to remove duplicates

Closes #32

See merge request cms-cloud/cmssw-docker!38

check.sh

 #!/bin/bash
 
 files=$(git diff-tree --no-commit-id --name-only -r -m $CI_COMMIT_SHA) # Get path to files changed in commit
-for file in $files; do
-  dir=${file%/*} # Get directory from path
+regexp="cc7-cms\|cc7-cvmfs\|slc6-cms\|slc6-cvmfs\|slc5-cms"
+if [[ ! -z $CI_COMMIT_BRANCH ]]; then
+  regexp="${regexp}\|standalone"
+fi
 
-  echo "Changes in $dir directory"
+dir_wo_duplicates=$(echo $files | grep -o $regexp | sort | uniq | tr '\n' ' ' | sed -e 's/[[:space:]]*$//') # Directories without duplicates
+for dir in $dir_wo_duplicates; do
 
-  if [[ "$dir" =~ ^(cc7-cms|cc7-cvmfs|slc6-cms|slc6-cvmfs|slc5-cms)$ ]] && [[ -z $CI_COMMIT_BRANCH ]]; then # $CI_COMMIT_BRANCH is the commit branch name. Present only when building branches.
+  if  [[ -z $CI_COMMIT_BRANCH ]]; then # $CI_COMMIT_BRANCH is the commit branch name. Present only when building branches.
     # For production on master
 
     echo "On master"
@@ -18,7 +21,7 @@ for file in $files; do
     --form "variables[IMAGE_NAME]=$dir" \
     https://gitlab.cern.ch/api/v4/projects/$CI_PROJECT_ID/trigger/pipeline
 
-  elif [[ "$dir" =~ ^(cc7-cms|cc7-cvmfs|slc6-cms|slc6-cvmfs|slc5-cms|standalone)$ ]] && [[ ! -z $CI_COMMIT_BRANCH ]]; then
+  elif [[ ! -z $CI_COMMIT_BRANCH ]]; then
     # For testing on branches
 
     echo "On branch $CI_COMMIT_BRANCH"