rpotter6298
64 lines
1.2 KiB
Bash
Executable File
64 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Mirror SOURCE -> DEST while archiving files that would be deleted/overwritten.
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# Archived files are moved under DEST/.archive/<timestamp>/ preserving hierarchy.
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#
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# Usage:
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# bash scripts/utility/backup_mirror_with_archive.sh
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# bash scripts/utility/backup_mirror_with_archive.sh --dry-run
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# bash scripts/utility/backup_mirror_with_archive.sh --source /src --dest /dst
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SOURCE="/home/rpotter/hypertower/"
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DEST="/Muspelheim/PhD/00.3_hypertower/"
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DRY_RUN=0
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--source)
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SOURCE="$2"
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shift 2
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;;
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--dest)
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DEST="$2"
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shift 2
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;;
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--dry-run)
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DRY_RUN=1
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shift
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;;
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*)
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echo "Unknown argument: $1" >&2
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exit 2
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;;
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esac
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done
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ts="$(date +%Y%m%d_%H%M%S)"
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archive_dir="${DEST%/}/.archive/${ts}"
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mkdir -p "$archive_dir"
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cmd=(
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rsync -avh --progress
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--delete
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--backup
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--backup-dir="$archive_dir"
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--exclude=".archive/"
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"${SOURCE%/}/"
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"${DEST%/}/"
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)
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if [[ "$DRY_RUN" -eq 1 ]]; then
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cmd+=(--dry-run)
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fi
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echo "Source: ${SOURCE%/}/"
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echo "Dest: ${DEST%/}/"
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echo "Archive: $archive_dir"
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[[ "$DRY_RUN" -eq 1 ]] && echo "Mode: dry-run"
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echo
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"${cmd[@]}"
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