[gedit-plugins/flake8] Update .gitlab-ci.yml

[Jordi Mas <jmas src gnome org>]

commit 10d34469ceb4dbc8049e0ab5b5cc37dfcb05a72b
Author: Jordi Mas <jmas softcatala org>
Date:   Thu May 16 10:19:59 2019 +0000

    Update .gitlab-ci.yml

 .gitlab-ci.yml | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0d357fd..ff591c8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,24 +1,37 @@
 image: ubuntu:devel
 
+stages:
+    - build
+    - check
+    
+before_script:
+    - export DEBIAN_FRONTEND=noninteractive
+    - apt-get install python3 python3-pip 
+
 build:
   stage: build
   before_script:
     - export DEBIAN_FRONTEND=noninteractive
-    - apt-get update -y
     - apt-get install intltool yelp-tools gnome-pkg-tools libdbus-1-dev -y
     - apt-get install libgit2-glib-1.0-dev libglib2.0-dev libgtk-3-dev -y
     - apt-get install libgtksourceview-4-dev libgucharmap-2-90-dev libpeas-dev -y
     - apt-get install valac libvte-2.91-dev libzeitgeist-2.0-dev gedit-dev -y
-    - apt-get install python3 python3-pip python3-dbus python-dbus-dev python3-gi appstream -y
+    - apt-get install python3-dbus python-dbus-dev python3-gi appstream -y
     - apt-get install meson ninja-build -y
+
+  script:
+    - meson _build
+    - ninja -C _build dist
+
+check:
+  stage: check
+  before_script:
+    - export DEBIAN_FRONTEND=noninteractive
     - python3 -m pip install flake8
 
   script:
     - cd plugins
     - flake8 --select=F --ignore=F401
-    - cd ..
-    - meson _build
-    - ninja -C _build dist