From f0dbefac61c73271d42c6d776188c98aac7e0a7a Mon Sep 17 00:00:00 2001
From: Kir Kolyshkin <kolyshkin@gmail.com>
Date: Thu, 12 Aug 2021 00:59:34 -0700
Subject: [PATCH] .cirrus.yum: retry yum if failed

Add a sleep + retry loop in case yum install has failed.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
---
 .cirrus.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.cirrus.yml b/.cirrus.yml
index 8003221fbc1..26a579cfaea 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -96,7 +96,12 @@ task:
       yum config-manager --set-enabled powertools # for glibc-static
       ;;
     esac
-    yum install -y -q gcc git iptables jq glibc-static libseccomp-devel make criu
+    # Work around dnf mirror failures by retrying a few times.
+    for i in $(seq 0 2); do
+      sleep $i
+      yum install -y -q gcc git iptables jq glibc-static libseccomp-devel make criu && break
+    done
+    [ $? -eq 0 ] # fail if yum failed
     # install Go
     curl -fsSL "https://dl.google.com/go/go${GO_VERSION}.linux-amd64.tar.gz" | tar Cxz /usr/local
     # install bats