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#!/usr/bin/env bash
. ./wvtest-bup.sh || exit $?
set -o pipefail
top="$(WVPASS pwd)" || exit $?
tmpdir="$(WVPASS wvmktempdir)" || exit $?
bup() { "$top/bup" "$@"; }
WVPASS "$top/dev/sync-tree" "$top/test/sampledata/" "$tmpdir/src/"
export BUP_DIR="$tmpdir/bup"
export GIT_DIR="$tmpdir/bup"
WVPASS bup init
WVPASS cd "$tmpdir"
WVSTART "fsck"
WVPASS bup index src
WVPASS bup save -n fsck-test src/b2
WVPASS bup save -n fsck-test src/var/cmd
WVPASS bup save -n fsck-test src/var/doc
WVPASS bup save -n fsck-test src/var/lib
WVPASS bup save -n fsck-test src/y
WVPASS bup fsck
WVPASS bup fsck "$BUP_DIR"/objects/pack/pack-*.pack
WVPASS bup fsck --quick
if bup fsck --par2-ok; then
WVSTART "fsck (par2)"
else
WVSTART "fsck (PAR2 IS MISSING)"
fi
WVPASS bup fsck -g
WVPASS bup fsck -r
WVPASS bup damage "$BUP_DIR"/objects/pack/*.pack -n10 -s1 -S0
WVFAIL bup fsck --quick
WVFAIL bup fsck --quick --disable-par2
WVPASS chmod u+w "$BUP_DIR"/objects/pack/*.idx
WVPASS bup damage "$BUP_DIR"/objects/pack/*.idx -n10 -s1 -S0
WVFAIL bup fsck --quick -j4
WVPASS bup damage "$BUP_DIR"/objects/pack/*.pack -n10 -s1024 --percent 0.4 -S0
WVFAIL bup fsck --quick
# Fails because repairs were needed or we don't have a suitable par2
WVFAIL bup fsck --quick -rvv -j9
if bup fsck --par2-ok; then
WVPASS bup fsck -r # ok because of repairs from last time
some_idx="$(WVPASS find "$BUP_DIR" -name "pack-*.par2" \! -name "*.vol*.par2" | head -1)" || exit $?
some_vol="$(WVPASS find "$BUP_DIR" -name "pack-*.vol*.par2" | head -1)" || exit $?
WVPASS cp -p "$some_idx" some-pack.par2
WVPASS cp -p "$some_vol" some-pack.vol.par2
WVSTART 'fsck rejects empty par2 index files'
WVPASS echo -n > "$some_idx"
WVFAIL bup fsck -v
WVPASS test -e "$some_idx" -a ! -s "$some_idx"
WVFAIL bup fsck -vr
WVPASS test -e "$some_idx" -a ! -s "$some_idx"
WVFAIL bup fsck -vg
WVPASS test -e "$some_idx" -a ! -s "$some_idx"
WVPASS cp -p some-pack.par2 "$some_idx"
WVSTART 'fsck rejects empty par2 vol files'
WVPASS echo -n > "$some_vol"
WVFAIL bup fsck -v
WVPASS test -e "$some_vol" -a ! -s "$some_vol"
WVFAIL bup fsck -vr
WVPASS test -e "$some_vol" -a ! -s "$some_vol"
WVFAIL bup fsck -vg
WVPASS test -e "$some_vol" -a ! -s "$some_vol"
WVPASS cp -p some-pack.vol.par2 "$some_vol"
# This must do "too much" damage. Currently par2 is invoked with
# -c200, which should allow up to 200 damaged "blocks", but since
# we don't specify the block size, it's dynamically computed.
# Even if we did specify a size, the actual size appears to be
# affected by the input file sizes, and the specific behavior
# doesn't appear to be documented/promised -- see par2
# comandline.cpp. Also worth noting that bup damage's output is
# currently probabilistic, so it might not actually damage any
# given byte. For now, just try to overdo it -- randomly change
# (or not 1/256th of the time) 600 evenly spaced bytes in each
# pack file.
WVPASS bup damage "$BUP_DIR"/objects/pack/*.pack -n600 -s1 --equal -S0
WVFAIL bup fsck
WVFAIL bup fsck -rvv # too many errors to be repairable
WVFAIL bup fsck -r # too many errors to be repairable
else
WVFAIL bup fsck --quick -r # still fails because par2 was missing
fi
WVPASS rm -rf "$tmpdir"
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