Merge pull request #22 from Cryptophobia/master

chore(Makefile) upgrading go-dev container to v1.28.3

Author: Cryptophobia

Makefile

@@ -5,7 +5,7 @@ export GO15VENDOREXPERIMENT=1
 # Note that Minio currently uses CGO.
 
 LDFLAGS := "-s -X main.version=${VERSION}"
-IMAGE_PREFIX ?= deis
+IMAGE_PREFIX ?= hephy
 BINDIR := ./rootfs/bin
 
 include versioning.mk
@@ -14,7 +14,7 @@ SHELL_SCRIPTS = $(wildcard _scripts/*.sh) $(wildcard rootfs/bin/*_object) $(wild
 
 # The following variables describe the containerized development environment
 # and other build options
-DEV_ENV_IMAGE := quay.io/deis/go-dev:0.20.0
+DEV_ENV_IMAGE := hephy/go-dev:v1.28.3
 DEV_ENV_WORK_DIR := /go/src/${REPO_PATH}
 DEV_ENV_CMD := docker run --rm -v ${CURDIR}:${DEV_ENV_WORK_DIR} -w ${DEV_ENV_WORK_DIR} ${DEV_ENV_IMAGE}
 DEV_ENV_CMD_INT := docker run -it --rm -v ${CURDIR}:${DEV_ENV_WORK_DIR} -w ${DEV_ENV_WORK_DIR} ${DEV_ENV_IMAGE}

rootfs/builder/build.sh

@@ -24,7 +24,7 @@ mkdir -p $secret_dir
 mkdir -p $buildpack_root
 mkdir -p $build_root/.profile.d
 
-if ! [[ -z "${TAR_PATH}" ]]; then
+if [[ -n "${TAR_PATH}" ]]; then
 	get_object
 	tar -xzf /tmp/slug.tgz -C /app/
 	unset TAR_PATH
@@ -67,7 +67,7 @@ function cache_fingerprint() {
 }
 
 # Restore cache when a $CACHE_PATH was supplied
-if ! [[ -z "${CACHE_PATH}" ]]; then
+if [[ -n "${CACHE_PATH}" ]]; then
   echo_title "Restoring cache..."
   restore_cache
   if [[ -f ${cache_file} ]]; then
@@ -122,7 +122,7 @@ fi
 
 ## Buildpack detection
 
-buildpacks=($buildpack_root/*)
+buildpacks=("$buildpack_root/*")
 selected_buildpack=
 
 if [[ -n "$BUILDPACK_URL" ]]; then
@@ -228,7 +228,7 @@ if [[ ! -f "$build_root/Procfile" ]]; then
 fi
 
 # Compress and save cache
-if ! [[ -z "${CACHE_PATH}" ]]; then
+if [[ -n "${CACHE_PATH}" ]]; then
   echo_title "Checking for changes inside the cache directory..."
   # If there's any files in the cache_root folder, we'll create a tar and upload
   # it for future use