cmd/import-rdiff-backup-cmd.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 usage() {
   6     echo "Usage: bup import-rdiff-backup [-n]" \
   7         "<path to rdiff-backup root> <backup name>"
   8     echo "-n,--dry-run: just print what would be done"
   9     exit 1
  10 }
  11
  12 control_c() {
  13     echo "bup import-rdiff-backup: signal 2 received" 1>&2
  14     exit 128
  15 }
  16
  17 trap control_c INT
  18
  19 dry_run=
  20 while [ "$1" = "-n" -o "$1" = "--dry-run" ]; do
  21     dry_run=echo
  22     shift
  23 done
  24
  25 bup()
  26 {
  27     $dry_run "${BUP_MAIN_EXE:=bup}" "$@"
  28 }
  29
  30 snapshot_root=$1
  31 branch=$2
  32
  33 [ -n "$snapshot_root" -a "$#" = 2 ] || usage
  34
  35 if [ ! -e "$snapshot_root/." ]; then
  36     echo "'$snapshot_root' isn't a directory!"
  37     exit 1
  38 fi
  39
  40
  41 rdiff-backup --list-increments --parsable-output "$snapshot_root" |
  42 while read timestamp type; do
  43     tmpdir=$(mktemp -d)
  44
  45     rdiff-backup -r $timestamp "$snapshot_root" "$tmpdir"
  46
  47     tmpidx=$(mktemp -u)
  48     bup index -ux -f "$tmpidx" "$tmpdir"
  49     bup save --strip --date="$timestamp" -f "$tmpidx" -n "$branch" "$tmpdir"
  50     rm -f "$tmpidx"
  51
  52     rm -rf "$tmpdir"
  53 done