some cosmetic updates

- remove whitespace at eol
- add function parameter documentation

tests/update_helper.sh

@@ -7,15 +7,18 @@ set -e
 #set -x
 
 
+# Get the absolute path from a (potentially) relative path
+# $1 = relative path
+# Prints the absolute path to stdout for capture
 getAbsPath() {
   local MY_PATH=$1
   local ORIG_PATH=`pwd`
 
-  MY_PATH="`( cd \"$MY_PATH\" && pwd )`" 
+  MY_PATH="`( cd \"$MY_PATH\" && pwd )`"
   cd "$ORIG_PATH"
 
   if [ -z "$MY_PATH" ] ; then
-    echo "Script path became something strange: '$SCRIPT_PATH'" 
+    echo "Script path became something strange: '$SCRIPT_PATH'"
     exit 1  # fail
   fi
   echo "$MY_PATH"
@@ -49,7 +52,7 @@ while getopts "d:w:p:t:h" arg; do
       echo "OPM_DATA ${OPTARG}"
       OPM_DATA=${OPTARG}
       ;;
-    w) # Workspace directory to use for opm-simultors
+    w) # Workspace directory to use for opm-simulators
       echo "WORKSPACE ${OPTARG}"
       WORKSPACE=${OPTARG}
       ;;
@@ -69,8 +72,8 @@ while getopts "d:w:p:t:h" arg; do
 done
 
 
-if [ -z "$OPM_DATA" ]; then 
-  echo "No OPM_DATA dir, will clone using network (slow)"; 
+if [ -z "$OPM_DATA" ]; then
+  echo "No OPM_DATA dir, will clone using network (slow)";
 fi
 WORKSPACE=`getAbsPath "$WORKSPACE"`
 

tests/update_reference_data.sh

@@ -2,6 +2,11 @@
 
 OPM_DATA_ROOT=$1
 
+# Copy results from a test run to refence dir
+# $1 = source directory to copy data from
+# $2 = destination directory to copy data to
+# $3 = base file name for files to copy
+# $4...$@ = file types to copy
 copyToReferenceDir () {
   SRC_DIR=$1
   DST_DIR=$2;