cmd/import-duplicity-cmd.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 usage() {
   6     echo "Usage: bup import-duplicity [-n]" \
   7         "<duplicity target url> <backup name>"
   8     echo "-n,--dry-run: just print what would be done"
   9     exit -1
  10 }
  11
  12 dry_run=
  13 while [ "$1" = "-n" -o "$1" = "--dry-run" ]; do
  14     dry_run=echo
  15     shift
  16 done
  17
  18 bup()
  19 {
  20     $dry_run "${BUP_MAIN_EXE:=bup}" "$@"
  21 }
  22
  23 duplicity_target_url=$1
  24 branch=$2
  25
  26 [ -n "$duplicity_target_url" -a "$#" = 2 ] || usage
  27
  28 dup_timestamps=$(duplicity collection-status --log-fd=3 \
  29                  "$duplicity_target_url" 3>&1 1>/dev/null 2>/dev/null |
  30                  grep "[[:digit:]][[:digit:]]T" |
  31                  cut -d" " -f 3)
  32 backups_count=$(echo "$dup_timestamp" | wc -l)
  33 counter=1
  34 echo "$dup_timestamps" |
  35 while read dup_timestamp; do
  36   timestamp=$(python -c "import time,calendar; " \
  37       "print str(int(calendar.timegm(time.strptime('$dup_timestamp', " \
  38       "'%Y%m%dT%H%M%SZ'))))")
  39   echo "Importing backup from $(date --date=@$timestamp +%c) " \
  40       "($counter / $backups_count)" 1>&2
  41   echo 1>&2
  42
  43   tmpdir=$(mktemp -d)
  44
  45   echo "Restoring from rdiff-backup..." 1>&2
  46   duplicity restore -t "$dup_timestamp" "$duplicity_target_url" "$tmpdir"
  47   echo 1>&2
  48
  49   echo "Importing into bup..." 1>&2
  50   tmpidx=$(mktemp -u)
  51   bup index -ux -f "$tmpidx" "$tmpdir"
  52   bup save --strip --date="$timestamp" -f "$tmpidx" -n "$branch" "$tmpdir"
  53   rm -f "$tmpidx"
  54
  55   rm -rf "$tmpdir"
  56   counter=$((counter+1))
  57   echo 1>&2
  58   echo 1>&2
  59 done