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 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 snapshot_root=$1
  24 branch=$2
  25
  26 [ -n "$snapshot_root" -a "$#" = 2 ] || usage
  27
  28 if [ ! -e "$snapshot_root/." ]; then
  29     echo "'$snapshot_root' isn't a directory!"
  30     exit 1
  31 fi
  32
  33
  34 rdiff-backup --list-increments --parsable-output "$snapshot_root" |
  35 while read timestamp type; do
  36     tmpdir=$(mktemp -d)
  37
  38     rdiff-backup -r $timestamp "$snapshot_root" "$tmpdir"
  39
  40     tmpidx=$(mktemp -u)
  41     bup index -ux -f "$tmpidx" "$tmpdir"
  42     bup save --strip --date="$timestamp" -f "$tmpidx" -n "$branch" "$tmpdir"
  43     rm -f "$tmpidx"
  44
  45     rm -rf "$tmpdir"
  46 done