[gnome-build-meta/alatiera/ci-push] CI: only push from protected branches

[Jordan Petridis <jpetridis src gnome org>]

commit f52f1ab4328ef35c06d7716c83e8e61872b64a7f
Author: Jordan Petridis <jpetridis gnome org>
Date:   Sat Sep 15 14:06:23 2018 +0300

    CI: only push from protected branches
    
    This assumes that there will be no branch name collisions
    between protected branches.
    
    Close #60

 .gitlab-ci.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c24dcbb..b0270ec 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -104,10 +104,11 @@ before_script:
 
     - BRANCHES=$(find repo/refs/heads/ -type f | grep "${ARCH}/${FLATPAK_BRANCH}" | sed s,repo/refs/heads/,,)
 
-    # push the resulting runtimes to gbm.gnome.org
-    # FIXME: Only push from protected branches
+    # Push the resulting runtimes to gbm.gnome.org
+    # Assume there will be no branch name collisions,
+    # the ssh key is available only on protected branches
     - |
-      if [[ ${CI_COMMIT_REF_NAME} == "staging-3-30" ]]; then
+      if [ -n "$GITLAB_SSH_KEY" ]; then
         rsync -a repo/ gbm-builder.gnome.org:incoming/repo-${CI_JOB_ID}
         ssh gbm-builder.gnome.org flatpak-export/export-flatpak.sh incoming/repo-${CI_JOB_ID} ${BRANCHES}
         ssh gbm-builder.gnome.org rm -rf incoming/runtimes-${CI_JOB_ID}