[gparted] Print OS details in the GitLab CI (!48)

[Curtis Gedak <gedakc src gnome org>]

commit 3140b76a802e6e23b743e0de62f6ae7a53801eba
Author: Mike Fleetwood <mike fleetwood googlemail com>
Date:   Sun Sep 29 10:36:57 2019 +0100

    Print OS details in the GitLab CI (!48)
    
    Just a simple debugging aid to have the OS details printed in the GitLab
    CI output.
    
    Closes !48 - Remain with CentOS 7 for GitLab CI

 .gitlab-ci.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 855dfb3f..65db2789 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,6 +10,7 @@ stages:
     - yum install -y which gnome-common yelp-tools glib2-devel intltool
                      gcc-c++ libuuid-devel parted-devel gtkmm30-devel make
                      polkit file
+    - cat /etc/os-release
 
 .ubuntu_image_template: &ubuntu_image_definition
   # Use official Ubuntu image https://hub.docker.com/_/ubuntu/.
@@ -19,6 +20,7 @@ stages:
     - apt-get install -y gnome-common yelp-tools libglib2.0-dev-bin
                          uuid-dev libparted-dev libgtkmm-3.0-dev make
                          policykit-1
+    - cat /etc/os-release
 
 .build_stage_template: &build_stage_definition
   stage: build