clean up whitespace on stack.sh

Change-Id: If73435968cfbd0dd3cc519f0a30e02bec5fcb386
diff --git a/stack.sh b/stack.sh
index f54d0f2..5813a8a 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1018,7 +1018,7 @@
     prepare_baremetal_toolchain
     configure_baremetal_nova_dirs
     if [[ "$BM_USE_FAKE_ENV" = "True" ]]; then
-       create_fake_baremetal_env
+        create_fake_baremetal_env
     fi
 fi
 
@@ -1180,26 +1180,26 @@
     die_if_not_set $LINENO TOKEN "Keystone fail to get token"
 
     if is_baremetal; then
-       echo_summary "Creating and uploading baremetal images"
+        echo_summary "Creating and uploading baremetal images"
 
-       # build and upload separate deploy kernel & ramdisk
-       upload_baremetal_deploy $TOKEN
+        # build and upload separate deploy kernel & ramdisk
+        upload_baremetal_deploy $TOKEN
 
-       # upload images, separating out the kernel & ramdisk for PXE boot
-       for image_url in ${IMAGE_URLS//,/ }; do
-           upload_baremetal_image $image_url $TOKEN
-       done
+        # upload images, separating out the kernel & ramdisk for PXE boot
+        for image_url in ${IMAGE_URLS//,/ }; do
+            upload_baremetal_image $image_url $TOKEN
+        done
     else
-       echo_summary "Uploading images"
+        echo_summary "Uploading images"
 
-       # Option to upload legacy ami-tty, which works with xenserver
-       if [[ -n "$UPLOAD_LEGACY_TTY" ]]; then
-           IMAGE_URLS="${IMAGE_URLS:+${IMAGE_URLS},}https://github.com/downloads/citrix-openstack/warehouse/tty.tgz"
-       fi
+        # Option to upload legacy ami-tty, which works with xenserver
+        if [[ -n "$UPLOAD_LEGACY_TTY" ]]; then
+            IMAGE_URLS="${IMAGE_URLS:+${IMAGE_URLS},}https://github.com/downloads/citrix-openstack/warehouse/tty.tgz"
+        fi
 
-       for image_url in ${IMAGE_URLS//,/ }; do
-           upload_image $image_url $TOKEN
-       done
+        for image_url in ${IMAGE_URLS//,/ }; do
+            upload_image $image_url $TOKEN
+        done
     fi
 fi
 
@@ -1211,7 +1211,7 @@
 if is_service_enabled nova && is_baremetal; then
     # create special flavor for baremetal if we know what images to associate
     [[ -n "$BM_DEPLOY_KERNEL_ID" ]] && [[ -n "$BM_DEPLOY_RAMDISK_ID" ]] && \
-       create_baremetal_flavor $BM_DEPLOY_KERNEL_ID $BM_DEPLOY_RAMDISK_ID
+        create_baremetal_flavor $BM_DEPLOY_KERNEL_ID $BM_DEPLOY_RAMDISK_ID
 
     # otherwise user can manually add it later by calling nova-baremetal-manage
     [[ -n "$BM_FIRST_MAC" ]] && add_baremetal_node
@@ -1233,7 +1233,7 @@
 CURRENT_RUN_TIME=$(date "+$TIMESTAMP_FORMAT")
 echo "# $CURRENT_RUN_TIME" >$TOP_DIR/.stackenv
 for i in BASE_SQL_CONN ENABLED_SERVICES HOST_IP LOGFILE \
-  SERVICE_HOST SERVICE_PROTOCOL STACK_USER TLS_IP; do
+    SERVICE_HOST SERVICE_PROTOCOL STACK_USER TLS_IP; do
     echo $i=${!i} >>$TOP_DIR/.stackenv
 done