cmd/import-rsnapshot-cmd.sh

   1 #!/bin/sh
   2 # Does an import of a rsnapshot archive.
   3
   4 usage() {
   5     echo "Usage: bup import-rsnapshot [-n]" \
   6         "<path to snapshot_root> [<backuptarget>]"
   7     echo "-n,--dry-run: just print what would be done"
   8     exit 1
   9 }
  10
  11 DRY_RUN=
  12 while [ "$1" = "-n" -o "$1" = "--dry-run" ]; do
  13     DRY_RUN=echo
  14     shift
  15 done
  16
  17 bup()
  18 {
  19     $DRY_RUN "${BUP_MAIN_EXE:=bup}" "$@"
  20 }
  21
  22 SNAPSHOT_ROOT=$1
  23 TARGET=$2
  24
  25 [ -n "$SNAPSHOT_ROOT" -a "$#" -le 2 ] || usage
  26
  27 if [ ! -e "$SNAPSHOT_ROOT/." ]; then
  28     echo "'$SNAPSHOT_ROOT' isn't a directory!"
  29     exit 1
  30 fi
  31
  32
  33 cd "$SNAPSHOT_ROOT" || exit 2
  34
  35 for SNAPSHOT in *; do
  36     [ -e "$SNAPSHOT/." ] || continue
  37     echo "snapshot='$SNAPSHOT'" >&2
  38     for BRANCH_PATH in "$SNAPSHOT/"*; do
  39         BRANCH=$(basename "$BRANCH_PATH") || exit $?
  40         [ -e "$BRANCH_PATH/." ] || continue
  41         [ -z "$TARGET" -o "$TARGET" = "$BRANCH" ] || continue
  42
  43         echo "snapshot='$SNAPSHOT' branch='$BRANCH'" >&2
  44
  45         # Get the snapshot's ctime
  46         DATE=$(perl -e '@a=stat($ARGV[0]) or die "$ARGV[0]: $!";
  47                         print $a[10];' "$BRANCH_PATH")
  48         [ -n "$DATE" ] || exit 3
  49
  50         TMPIDX=bupindex.$BRANCH.tmp
  51         bup index -ux -f "$TMPIDX" "$BRANCH_PATH/" || exit $?
  52         bup save --strip --date="$DATE" \
  53             -f "$TMPIDX" -n "$BRANCH" \
  54             "$BRANCH_PATH/" || exit $?
  55         rm "$TMPIDX" || exit $?
  56     done
  57 done