Work around travis bugs

https://github.com/travis-ci/travis-ci/issues/8507

We use a script and travis_retry to work around "failed to fetch" with
launchpad

1 files changed, 4 insertions, 0 deletions

diff --git a/etc/ci/sudo-apt-get-update.sh b/etc/ci/sudo-apt-get-update.sh
new file mode 100755
index 000000000..f8bf6bed4
--- /dev/null
+++ b/etc/ci/sudo-apt-get-update.sh
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+(sudo apt-get update "$@" 2>&1 || echo 'E: update failed') | tee /tmp/apt.err
+! grep -q '^\(E:\|W: Failed to fetch\)' /tmp/apt.err || exit $?