[gtk/ci-installed-tests: 5/7] ci: Enable sudo in the image

[Matthias Clasen <matthiasc src gnome org>]

commit 501b2b43efdba49bee6f995cc0dc39bedef53933
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 1 22:11:07 2020 -0400

    ci: Enable sudo in the image
    
    This is needed so we can install what we built.

 .gitlab-ci/fedora.Dockerfile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci/fedora.Dockerfile b/.gitlab-ci/fedora.Dockerfile
index 0ffd354d99..7889720523 100644
--- a/.gitlab-ci/fedora.Dockerfile
+++ b/.gitlab-ci/fedora.Dockerfile
@@ -1,8 +1,11 @@
 FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v21
 
+# Enable sudo for wheel users
+RUN sed -i -e 's/# %wheel/%wheel/' -e '0,/%wheel/{s/%wheel/# %wheel/}' /etc/sudoers
+
 ARG HOST_USER_ID=5555
 ENV HOST_USER_ID ${HOST_USER_ID}
-RUN useradd -u $HOST_USER_ID -ms /bin/bash user
+RUN useradd -u $HOST_USER_ID -G wheel -ms /bin/bash user
 
 USER user
 WORKDIR /home/user