Cleanup.

Author: westy92

php-build.bash

@@ -106,15 +106,18 @@ if docker pull "$docker_tag" >> output.log 2>&1;
 then
 	# Unless the PHP version has an update...
 
-	# Pull latest PHP Docker image so we can check its version
+	# Pull latest PHP Docker image so we can check its version.
 	echo "Pulling $base_image" >> output.log 2>&1
 	docker pull "$base_image" >> output.log 2>&1
 
-	# Check PHP version of the latest PHP tag and our tag
+	# Check PHP versions of the latest PHP tag and our tag.
 	base_image_php_version=$(docker run -it "$base_image" php -r "echo PHP_VERSION;")
-	new_image_php_version=$(docker run -it "$docker_tag" php -r "echo PHP_VERSION;")
+	cached_image_php_version=$(docker run -it "$docker_tag" php -r "echo PHP_VERSION;")
 
-	if new_image_php_version == base_image_php_version;
+	echo "Comparing $cached_image_php_version (cached) to $base_image_php_version (latest)." >> output.log 2>&1
+
+	# No need to continue building if our image already exists and PHP is up-to-date.
+	if cached_image_php_version == base_image_php_version;
 	then
 		exit
 	fi