31 lines
809 B
Bash
31 lines
809 B
Bash
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#!/usr/bin/env bash
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# Example --dry-run pattern for deployment/change scripts
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# Recommendation: docs/10-best-practices/RECOMMENDATIONS_AND_SUGGESTIONS.md (§ Script Improvements)
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# Usage: DRY_RUN=1 ./your-script.sh OR ./your-script.sh --dry-run
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set -euo pipefail
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DRY_RUN="${DRY_RUN:-0}"
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for arg in "$@"; do
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if [[ "$arg" == "--dry-run" || "$arg" == "-n" ]]; then
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DRY_RUN=1
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break
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fi
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done
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run_or_echo() {
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if [[ "$DRY_RUN" == "1" ]]; then
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echo "[DRY-RUN] Would execute: $*"
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else
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"$@"
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fi
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}
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# Example: run_or_echo pct set 106 --memory 8192
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# Example: run_or_echo cp config.toml /opt/besu/
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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echo "DRY_RUN=$DRY_RUN - Use DRY_RUN=1 or --dry-run to preview without executing."
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run_or_echo echo "Example command (no-op when dry-run)"
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fi
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