More informative exit message

Signed-off-by: Chris Warrick <kwpolska@gmail.com>

scripts/baseline.sh

@@ -8,7 +8,7 @@ if [[ $PYVER == '3.5' || $PYVER == '2.7' ]]; then
         unzip 'v'$PYVER'.zip'
         rm -rf baseline$PYVER
         mv invariant-builds-$PYVER baseline
-        rm 'v'$i'.zip'
+        rm 'v'$PYVER'.zip'
     fi
 else
     echo -e "\033[35m>> Version $PYVER does not support baseline testing.\033[0m"
@@ -20,12 +20,14 @@ cp ../tests/data/1-nolinks.rst posts/1.rst
 rm "stories/creating-a-theme.rst" "stories/extending.txt" "stories/internals.txt" "stories/manual.rst" "stories/social_buttons.txt" "stories/theming.rst" "stories/path_handlers.txt" "stories/charts.txt"
 LC_ALL='en_US.UTF-8' PYTHONHASHSEED=0 nikola build --invariant
 if [[ "$1" == "check" ]]; then
-    echo "\033[36m>> Testing baseline...\033[0m"
+    echo -e "\033[36m>> Testing baseline...\033[0m"
     diff -ubwr ../baseline output
     if [[ $? == 0 ]]; then
-        echo -e "\033[32;1m>> OK\033[0m"
+        echo -e "\033[32;1m>> Baseline test successful\033[0m"
     else
-        echo -e "\033[31;1m>> Failed with exit code $?\033[0m"
-        exit 1
+        CODE=$?
+        echo -e "\033[31;1m>> Failed with exit code $CODE\033[0m"
+        echo "If this change was intentional, the baseline site needs to be rebuilt (maintainers only). Otherwise, please fix this issue."
+        exit $CODE
     fi
 fi