[fractal/alatiera/ci] ci: fix pages build with the new gitlab runners

[Jordan Petridis <jpetridis src gnome org>]

commit 4cddeb1c6daca41d1cd49aa3733034dda2c17969
Author: Jordan Petridis <jpetridis gnome org>
Date:   Thu Nov 12 14:59:44 2020 +0200

    ci: fix pages build with the new gitlab runners

 .gitlab-ci.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 95305c9f..97c857f8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -50,10 +50,8 @@ pages:
     tags:
         - flatpak
     script:
-        - flatpak-builder --user --disable-rofiles-fuse --stop-at=${FLATPAK_MODULE} --force-clean app 
${MANIFEST_PATH}
-        - flatpak-builder --user --disable-rofiles-fuse --run app ${MANIFEST_PATH} meson _build
-
-        - flatpak-builder --user --disable-rofiles-fuse --run app ${MANIFEST_PATH} ninja -C _build doc
+        - flatpak-builder --user --disable-rofiles-fuse --build-only flatpak_app ${MANIFEST_PATH}
+        - flatpak-builder --user --disable-rofiles-fuse --build-shell=${FLATPAK_MODULE} app ${MANIFEST_PATH} 
'meson _build && ninja -C _build doc'
 
         - rm -rf public
         - mv _build/target/doc/ public