16 lines
525 B
Bash
16 lines
525 B
Bash
#!/usr/bin/env bash
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set -eo pipefail
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[[ -z "${BACKUP_DIR}" ]] && echo "Required 'BACKUP_DIR' env not set" && exit 1;
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[[ -z "${JENKINS_HOME}" ]] && echo "Required 'JENKINS_HOME' env not set" && exit 1;
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while true;
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do
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sleep 10
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if [[ ! -z "${BACKUP_COUNT}" ]]; then
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echo "Trimming to only ${BACKUP_COUNT} recent backups in preparation for new backup"
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find ${BACKUP_DIR} -name '*.tar.gz' -exec basename {} \; | sort -gr | tail -n +$((BACKUP_COUNT +1)) | xargs -I '{}' rm ${BACKUP_DIR}/'{}'
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fi
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done
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