- Fixed shellcheck error

- Made test pass

plugins/git/receive-app

@@ -6,7 +6,7 @@ APP="$1"; REV="$2"
 
 # Don't trigger git build if there is no git repository.
 if [ ! -d "$DOKKU_ROOT/$APP/refs" ]; then
-  cat
+  cat || true
 else
   dokku git-build $APP $REV
 fi

plugins/tar/commands

@@ -8,7 +8,7 @@ case "$1" in
     APP=$2
     URL=$3
     shift 3
-    curl -# --insecure -L "$URL" | dokku tar-in $APP $@
+    curl -# --insecure -L "$URL" | dokku tar-in $APP "$@"
     ;;
 
   tar-in|tar:in)

plugins/tar/receive-app

@@ -6,7 +6,7 @@ APP="$1"; REV="$2"
 
 # Don't trigger tar build if there is no tarball.
 if [ ! -f "$DOKKU_ROOT/$APP/src.tar" ]; then
-  cat
+  cat || true
 else
   dokku tar-build $APP
 fi