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

2026-07-26 05:33:04 +04:00 · 2026-07-25 19:57:26 +00:00
1 changed files with 9 additions and 1 deletions
@@ -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"