[gnome-runtime-images] Rust ext, master: Specify the branch to install

[Jordan Petridis <jpetridis src gnome org>]

commit 1af5e4ad1cac04bb5972beb714a6c9b4234754fd
Author: Jordan Petridis <jordanpetridis protonmail com>
Date:   Thu Aug 9 08:01:28 2018 +0000

    Rust ext, master: Specify the branch to install

 .gitlab-ci.yml | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8dfa029..14a35b7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -77,6 +77,8 @@ rust master:
         - export REPO="fdo-unstable"
         - sed -e "s|@BASE_IMAGE@|$BASE_IMAGE|" sdk-bundles/rust-bundle.template > sdk-bundles/rust.yml
         - sed -i "s|@REPO@|$REPO|" sdk-bundles/rust.yml
+        # specify the branch
+        - echo -n "//unstable" >> sdk-bundles/rust.yml
     <<: *build
 
 rust 3.28: