t/test-index-check-device.sh

   1 #!/usr/bin/env bash
   2 . ./wvtest-bup.sh
   3 . ./t/lib.sh
   4
   5 set -ex -o pipefail
   6
   7 if [ $(t/root-status) != root ]; then
   8     echo 'Not root: skipping --check-device tests.'
   9     exit 0 # FIXME: add WVSKIP.
  10 fi
  11
  12 if test -z "$(type -p losetup)"; then
  13     echo 'Unable to find losetup: skipping --check-device tests.'
  14     exit 0 # FIXME: add WVSKIP.
  15 fi
  16
  17 if test -z "$(type -p mke2fs)"; then
  18     echo 'Unable to find mke2fs: skipping --check-device tests.'
  19     exit 0 # FIXME: add WVSKIP.
  20 fi
  21
  22 WVSTART '--check-device'
  23
  24 top="$(pwd)"
  25 tmpdir="$(wvmktempdir)"
  26 export BUP_DIR="$tmpdir/bup"
  27
  28 bup() { "$top/bup" "$@"; }
  29
  30 srcmnt="$(wvmkmountpt)"
  31 tmpmnt1="$(wvmkmountpt)"
  32 tmpmnt2="$(wvmkmountpt)"
  33
  34 cd "$tmpdir"
  35
  36 dd if=/dev/zero of=testfs.img bs=1M count=32
  37 mke2fs -F -j -m 0 testfs.img
  38 mount -o loop testfs.img "$tmpmnt1"
  39 # Hide, so that tests can't create risks.
  40 chown root:root "$tmpmnt1"
  41 chmod 0700 "$tmpmnt1"
  42
  43 # Create trivial content.
  44 date > "$tmpmnt1/foo"
  45 umount "$tmpmnt1"
  46
  47 # Mount twice, so we'll have the same content with different devices.
  48 mount -oro,loop testfs.img "$tmpmnt1"
  49 mount -oro,loop testfs.img "$tmpmnt2"
  50
  51 # Test default behavior: --check-device.
  52 mount -oro --bind "$tmpmnt1" "$srcmnt"
  53 bup init
  54 bup index --fake-valid "$srcmnt"
  55 umount "$srcmnt"
  56 mount -oro --bind "$tmpmnt2" "$srcmnt"
  57 bup index "$srcmnt"
  58 WVPASSEQ "$(bup index --status "$srcmnt")" \
  59 "M $srcmnt/lost+found/
  60 M $srcmnt/foo
  61 M $srcmnt/"
  62 umount "$srcmnt"
  63
  64 WVSTART '--no-check-device'
  65 mount -oro --bind "$tmpmnt1" "$srcmnt"
  66 bup index --clear
  67 bup index --fake-valid "$srcmnt"
  68 umount "$srcmnt"
  69 mount -oro --bind "$tmpmnt2" "$srcmnt"
  70 bup index --no-check-device "$srcmnt"
  71 bup index --status "$srcmnt"
  72 WVPASSEQ "$(bup index --status "$srcmnt")" \
  73 "  $srcmnt/lost+found/
  74   $srcmnt/foo
  75   $srcmnt/"
  76
  77 umount "$srcmnt"
  78 umount "$tmpmnt1"
  79 umount "$tmpmnt2"
  80 rm -r "$tmpmnt1" "$tmpmnt2" "$tmpdir"