criu/scripts/ci/apt-install

#!/bin/bash

set -e -x

export DEBIAN_FRONTEND=noninteractive

install_retry_counter=0
max_apt_retries=5

# This function loops a couple of times over apt-get, hoping to
# avoid CI errors due to errors during apt-get
# hashsum mismatches, DNS errors and similar things
while true; do
	(( install_retry_counter+=1 ))
	if [ ${install_retry_counter} -gt ${max_apt_retries} ]; then
		exit 1
	fi
	# shellcheck disable=SC2068
	apt-get clean -qqy && apt-get update -qqy && apt-get install -qqy --no-install-recommends $@ && break

	# In case it is a network error let's wait a bit.
	echo "Retrying attempt ${install_retry_counter}"
	sleep ${install_retry_counter}
done