test_deleted_renamed_referenced_files

#!/bin/bash -e

FILES="${@}"
success=1
for FILE in $FILES; do
    if [ -f "$FILE" ] 
    then
        # if file exists, it means it was renamed. Previous file name is retrieved by git log
        FILE=$(git log --follow -p $FILE | grep 'rename from test' | awk '{print $3}' | head -n 1)
    fi
    if [ -n "$(echo $FILE | grep '\.pm$')" ] 
    then
        # If the file is a module, file name appears in scheduling files (excluding part 'tests/' and file extension)
        file_to_verify=$(echo $FILE | sed -E 's/^tests\/(.*)\.pm$/\1/g')
        target_paths='schedule/ products/*/main.pm lib/main_common.pm'
    elif [ -n "$(echo $FILE | grep '\.ya\?ml$')" ] 
    then
        # If the file is test_data yaml file, the file name returned from git diff command
        # is the same as in schedule or test_data files
        file_to_verify="$FILE" 
        target_paths='schedule/ test_data/'
    fi
    # Using the -e script option will cause the following command to exit the script with failure in case the file_to_verify
    # is not referenced anywhere. Using "|| :" to avoid this.
    MATCHED_REFERENCE_FILES=$(grep --recursive --ignore-case --files-with-matches \
    "${file_to_verify}\b" $target_paths | grep '\(\.ya\?ml$\|\.pm\)' || :)
    if [[ -n $file_to_verify ]] && [[ -n $MATCHED_REFERENCE_FILES ]]
    then
        echo -e "\"$file_to_verify\" was removed or renamed, but it is still used in:\n$MATCHED_REFERENCE_FILES" 
        success=0
    fi
done
[ $success = 1 ] && echo "SUCCESS" && exit 0
exit 1