travis: Wrap submodules updates in travis_retry

Let's try to squash some of those network issues with a `travis_retry` tool to just retry the command a few times.
rust-lang · 882426b404cf933d02c3e05b9d40065ecddd6b26 · alexcrichton committed Jan 7, 2017 · Jan 7, 2017 · 882426b
1 parent 25bfc8a
commit 882426b404cf933d02c3e05b9d40065ecddd6b26
Unified Split

Showing with 2 additions and 2 deletions.

+2 −2 .travis.yml
diff --git a/.travis.yml b/.travis.yml
@@ -69,10 +69,10 @@ script:
       if [ "$ALLOW_PR" = "" ] && [ "$TRAVIS_BRANCH" != "auto" ]; then
           echo skipping, not a full build;
       elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
-          git submodule update --init &&
+          travis_retry git submodule update --init &&
           src/ci/run.sh;
       else
-          git submodule update --init &&
+          travis_retry git submodule update --init &&
           src/ci/docker/run.sh $IMAGE;
       fi