[tracker/wip/carlosg/portal: 37/40] ci: Don't install systemd user services

[Carlos Garnacho <carlosg src gnome org>]

commit bcef1d192504a0b276800e27d339d7eab3f9f146
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Jun 21 12:06:21 2020 +0200

    ci: Don't install systemd user services
    
    These are not necessary for tests, plus helps on Alpine.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8f3634c38..4a592dd59 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@ stages:
 
   script:
     - su tracker -c 'mkdir build'
-    - su tracker -c 'cd build; meson .. -Db_lto=true -Db_coverage=true'
+    - su tracker -c 'cd build; meson .. -Db_lto=true -Db_coverage=true -Dsystemd_user_services=false'
     - su tracker -c 'cd build; ninja'
     - |
       # Remove the many "CI_" variables from the environment. Meson dumps the