[gnome-calculator/wip/3v1n0/coverage] gitlab-ci: enable coverage reports

[Marco Trevisan <marcotrevi src gnome org>]

commit f0e03493431a575a8465b7bfd9285991a1dfc3f2
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Tue Sep 11 11:27:16 2018 -0500

    gitlab-ci: enable coverage reports

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0835b0ee..cb464d0c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,7 +12,7 @@
 .build_template: &meson_build
   stage: build
   script:
-    - meson _build .
+    - meson _build . -Db_coverage=true
     - ninja -C _build install
   artifacts:
     paths:
@@ -23,6 +23,7 @@
   stage: test
   script:
     - ninja -C _build test
+    - ninja -C _build coverage-html
 
 build:fedora:
   <<: *fedora_before_script