[gtk/ci-update: 2/2] ci: Add diffutils to the CI image

[Emmanuele Bassi <ebassi src gnome org>]

commit a5c00685c541ad907a40fb7cdc6457c57fcb7d08
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Nov 1 15:22:02 2019 +0000

    ci: Add diffutils to the CI image
    
    Some transitive dependency got dropped, and we lost diff.

 .gitlab-ci/Dockerfile    | 3 ++-
 .gitlab-ci/run-docker.sh | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index 22553c36e8..391f1af9c7 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -1,7 +1,6 @@
 FROM fedora:31
 
 RUN dnf -y install \
-    hicolor-icon-theme \
     adwaita-icon-theme \
     atk-devel \
     at-spi2-atk-devel \
@@ -14,6 +13,7 @@ RUN dnf -y install \
     dbus-daemon \
     dejavu-sans-mono-fonts \
     desktop-file-utils \
+    diffutils \
     elfutils-libelf-devel \
     fribidi-devel \
     gcc \
@@ -32,6 +32,7 @@ RUN dnf -y install \
     gstreamer1-plugins-bad-free-devel \
     gstreamer1-plugins-base-devel \
     gtk-doc \
+    hicolor-icon-theme \
     iso-codes \
     itstool \
     json-glib-devel \
diff --git a/.gitlab-ci/run-docker.sh b/.gitlab-ci/run-docker.sh
index b0857777ee..4892769c88 100755
--- a/.gitlab-ci/run-docker.sh
+++ b/.gitlab-ci/run-docker.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-TAG="registry.gitlab.gnome.org/gnome/gtk/master:v6"
+TAG="registry.gitlab.gnome.org/gnome/gtk/master:v7"
 
 sudo docker build --build-arg HOST_USER_ID="$UID" --tag "${TAG}" \
     --file "Dockerfile" .