build/lib/functions/general/retry.sh

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#!/usr/bin/env bash
#
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2013-2023 Igor Pecovnik, igor@armbian.com
#
# This file is a part of the Armbian Build Framework
# https://github.com/armbian/build/
# Auto retries the number of times passed on first argument to run all the other arguments.
function do_with_retries() {
local retries="${1}"
shift
local sleep_seconds="${sleep_seconds:-5}"
local silent_retry="${silent_retry:-no}"
local counter=0
while [[ $counter -lt $retries ]]; do
counter=$((counter + 1))
declare -i RETRY_RUNS=${counter}
declare -i IS_A_RETRY=0
declare RETRY_FMT_MORE_THAN_ONCE=""
if [[ ${RETRY_RUNS} -gt 1 ]]; then
IS_A_RETRY=1
RETRY_FMT_MORE_THAN_ONCE=" (attempt ${RETRY_RUNS})"
fi
"$@" && return 0 # execute and return 0 if success; if not, let it loop;
if [[ "${silent_retry}" == "yes" ]]; then
: # do nothing
else
# skip_ci_special="yes": don't write this warning to CI/GHA summary. retries are normal in GHA and pollute the Summary view
skip_ci_special="yes" display_alert "Command failed, retrying in ${sleep_seconds}s" "$*" "warn"
fi
unset IS_A_RETRY
unset RETRY_RUNS
unset RETRY_FMT_MORE_THAN_ONCE
sleep "${sleep_seconds}"
done
display_alert "Command failed ${counter} times, giving up" "$*" "warn"
return 1
}