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ci: retry ubuntu-toolchain-r PPA add to survive Launchpad flakiness (#5305)

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Niels Lohmann
2026-07-25 19:57:26 +00:00
committed by GitHub
parent 9a3ebb9456
commit d0d29039da
1 changed files with 9 additions and 1 deletions
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.github/workflows/ubuntu.yml
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@@ -163,7 +163,15 @@ jobs:
export DEBIAN_FRONTEND=noninteractive
apt-get update
apt-get install -y --no-install-recommends software-properties-common ca-certificates gnupg make git
add-apt-repository -y ppa:ubuntu-toolchain-r/test
# add-apt-repository resolves the PPA through the Launchpad API,
# which intermittently times out or fails the team lookup (the plain
# "deb ..." sources below never hit Launchpad and never flake).
# Retry with backoff so a transient Launchpad blip does not fail CI.
for attempt in 1 2 3 4 5; do
add-apt-repository -y ppa:ubuntu-toolchain-r/test && break
echo "::warning::add-apt-repository ppa:ubuntu-toolchain-r/test failed (attempt ${attempt}/5); retrying"
sleep $((attempt * 10))
done
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ bionic main"
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ bionic universe"
apt-add-repository -y "deb http://archive.ubuntu.com/ubuntu/ xenial main"