Fix update.sh to account for default Dockerfile

Fixes #170

update.sh

@@ -9,22 +9,11 @@ if [ ${#versions[@]} -eq 0 ]; then
 fi
 versions=( "${versions[@]%/}" )
 
-for version in "${versions[@]}"; do
-	if [[ "$version" == "docs" ]]; then
-		continue
-	fi
 
-	variants=$(ls -d $version/*/ | awk -F"/" '{print $2}')
-
-	for variant in $variants; do
-		template="Dockerfile-$variant.template"
-		dockerfile="$version/$variant/Dockerfile"
-
-		if [[ "$variant" == "default" ]]; then
-			template="Dockerfile.template"
-			dockerfile="$version/Dockerfile"
-		fi
+template=
+dockerfile=
 
+function update_node_version {
 	fullVersion="$(curl -sSL --compressed 'https://nodejs.org/dist' | grep '<a href="v'"$version." | sed -E 's!.*<a href="v([^"/]+)/?".*!\1!' | cut -f 3 -d . | sort -n | tail -1)"
 	(
 		cp $template $dockerfile
@@ -36,7 +25,26 @@ for version in "${versions[@]}"; do
 			sed -E -i.bak '/^ENV NPM_CONFIG_LOGLEVEL info/d' "$dockerfile"
 			rm "$dockerfile.bak"
 		fi
-
 	)
+}
+
+for version in "${versions[@]}"; do
+	if [[ "$version" == "docs" ]]; then
+		continue
+	fi
+
+	template="Dockerfile.template"
+	dockerfile="$version/Dockerfile"
+
+	update_node_version
+
+	variants=$(ls -d $version/*/ | awk -F"/" '{print $2}')
+
+	for variant in $variants; do
+		template="Dockerfile-$variant.template"
+		dockerfile="$version/$variant/Dockerfile"
+
+		update_node_version
+
 	done
 done