34 lines
764 B
Bash
34 lines
764 B
Bash
#!/usr/bin/env bash
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# Retry docker/buildx commands on transient network/registry failures.
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# Usage: retry-docker-build.sh [max_attempts] [wait_seconds] -- <command...>
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set -euo pipefail
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MAX="${1:-3}"
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WAIT="${2:-30}"
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shift 2
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[[ "${1:-}" == "--" ]] && shift
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if [[ $# -eq 0 ]]; then
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echo "Usage: $0 [max_attempts] [wait_seconds] -- <command...>" >&2
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exit 2
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fi
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attempt=1
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while true; do
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echo "== docker build attempt ${attempt}/${MAX}: $*"
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set +e
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"$@"
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code=$?
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set -e
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if (( code == 0 )); then
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exit 0
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fi
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if (( attempt >= MAX )); then
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echo "== all ${MAX} attempts failed (last exit ${code})"
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exit "${code}"
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fi
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echo "== attempt ${attempt} failed (exit ${code}), retry in ${WAIT}s..."
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sleep "${WAIT}"
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attempt=$((attempt + 1))
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done
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