[gnome-games] CI: do not cache flatpak artifacts

[Jordan Petridis <jpetridis src gnome org>]

commit c803c1a7bee2df6b34495993ad21bb2ed643a207
Author: Jordan Petridis <jordanpetridis protonmail com>
Date:   Tue Sep 11 11:47:38 2018 +0000

    CI: do not cache flatpak artifacts
    
    It just does not work... Gitlab zips the cache target which causes
    ostree to brake.
    
    But at least we can cache the sources instead.

 .gitlab-ci.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5585892e..2e38f334 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,7 +17,8 @@ flatpak:tests:
     - xvfb-run -a -s "-screen 0 1024x768x24" flatpak-builder --run unit-tests ${MANIFEST_PATH} 
games-unit-tests
   cache:
     paths:
-      - .flatpak-builder/cache/
+      - .flatpak-builder/downloads
+      - .flatpak-builder/git
 
 flatpak:app:
   image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:master
@@ -41,7 +42,8 @@ flatpak:app:
     expire_in: 30 days
   cache:
     paths:
-      - .flatpak-builder/cache/
+      - .flatpak-builder/downloads
+      - .flatpak-builder/git
 
 review:
   stage: review