code.delx.au - monosys/blob - borg/backup

   1 #!/bin/bash
   2
   3 set -eu
   4
   5 if pgrep borg > /dev/null; then
   6     echo "Borg is still running!"
   7     exit 1
   8 fi
   9
  10 source "$1"
  11
  12 set -x
  13
  14 ionice -c 3 -p $$
  15 renice -n 19 -p $$ > /dev/null
  16
  17 [ "$BACKUP_SNAP" -eq 1 ] && bsnap on
  18
  19 borg create \
  20     $([ -t 0 ] && echo --progress) \
  21     --info --stats \
  22     --compression lz4 \
  23     --exclude-from "$BACKUP_EXCLUDE_FILE" \
  24     "${BACKUP_REPO}::{hostname}-{now}" "$BACKUP_PATH"
  25
  26 borg prune \
  27     --info --stats \
  28     --keep-daily=7 \
  29     --keep-weekly=4 \
  30     --keep-monthly=12 \
  31     --prefix='{hostname}-' \
  32     "$BACKUP_REPO"
  33
  34 [ "$BACKUP_SNAP" -eq 1 ] && bsnap off
  35
  36 exit 0