19 lines
541 B
Bash
19 lines
541 B
Bash
#!/bin/bash
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# 备份后台网页界面 /mnt/web/admin，最多保留最近 3 份
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# 位置：服务器 /mnt/web/0524-admin-backup.sh
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set -u
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SRC=/mnt/web/admin
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DST=/mnt/web/backups/admin-ui
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KEEP=3
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mkdir -p "$DST"
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ts=$(date +%Y%m%d-%H%M%S)
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tar czf "$DST/admin-ui-$ts.tgz" -C "$(dirname "$SRC")" "$(basename "$SRC")" 2>/dev/null
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# 只保留最近 KEEP 份，更早的删除
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ls -1t "$DST"/admin-ui-*.tgz 2>/dev/null | tail -n +$((KEEP + 1)) | xargs -r rm -f
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echo "现有备份（最多 $KEEP 份）:"
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ls -1t "$DST"/admin-ui-*.tgz 2>/dev/null
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