Diff mode null when file mode changes.

[knobik]

With this piece of diff, the "diff" mode is not being set in the class (being set to null).

diff --git SRC/.env.example DST/.env.example
old mode 100644
new mode 100755
index 214b4621d8ef55bb450
7448976739ad1c1e35bfd..fbb124eaf8a16072af5509c44218baf24af7c019

full diff

diff --git SRC/.env.example DST/.env.example
old mode 100644
new mode 100755
index 214b4621d8ef55bb4507448976739ad1c1e35bfd..fbb124eaf8a16072af5509c44218baf24af7c019
--- SRC/.env.example
+++ DST/.env.example
@@ -1,5 +1,6 @@
 APP_ENV=local
 APP_DEBUG=true
+APP_URL=http://siteurl.pl
 APP_KEY=SomeRandomString
 DB_HOST=localhost

git version 2.1.4