Make possible to run on specified datasets, address some shellcheck c…

…oncerns (quotes)

run_tests.sh

@@ -10,11 +10,18 @@ else
     VARIANT="legacy"
 fi
 
-for i in $(ls -d */ | grep -v node_modules); do
+if [ "$#" -gt 0 ]; then
+    datasets=( "$@" )
+else
+    datasets=( $(ls -d */ | grep -v node_modules) )
+fi
+
+echo "Will be validating ${#datasets[@]} dataset(s)"
+for i in "${datasets[@]}"; do
     echo -n "Validating dataset $i: "
 
-    if [ -f ${i%%/}/.SKIP_VALIDATION ]; then
-        echo "skipping validation"
+    if [ -f "${i%%/}/.SKIP_VALIDATION" ]; then
+        echo "skipping validation due to .SKIP_VALIDATION"
         continue
     fi
 
@@ -23,18 +30,18 @@ for i in $(ls -d */ | grep -v node_modules); do
     CMD="bids-validator ${i%%/} $VALIDATOR_ARGS"
 
     # Use default configuration unless overridden
-    if [[ ! ( -f ${i%%/}/.bids-validator-config.json || $CMD =~ /--config/ ) ]]; then
-        CMD="$CMD --config $PWD/${VARIANT}config.json"
+    if [[ ! ( -f "${i%%/}/.bids-validator-config.json" || $CMD =~ /--config/ ) ]]; then
+        CMD="$CMD --config '$PWD/${VARIANT}config.json'"
     fi
 
     # Ignore NIfTI headers except for synthetic dataset
-    if [ $i != "synthetic/" ]; then
+    if [ "$i" != "synthetic/" ]; then
         CMD="$CMD --ignoreNiftiHeaders"
     else
         echo "validating NIfTI headers. "
     fi
 
-    echo "Running " $CMD
+    echo "Running $CMD"
 
     $CMD || failed+=" $i"
 done