set -e in build.sh

build.sh

@@ -62,6 +62,9 @@ done
 rm css/code.css
 pygmentize -f html -S algol_nu | grep -v 'line-height' >css/code.css
 
+# The stuff below should be all or nothing, so we exit if something returns non-zero
+set -e
+
 for site in acl.cool ytheleus.org; do
     pushd "$site"
     soup_config
@@ -70,7 +73,7 @@ for site in acl.cool ytheleus.org; do
     if (( $? != 0 )); then
         exit $?;
     fi
-    pushd serve &&
+    pushd serve
     find -type f -name '*.html' -o -name '*.css' -o -name '*.svg' | xargs -0 -d\\n -I{} minify -o {} {}
     popd
     NEXT_DIR="serve_$(date +%s)"