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#!/bin/bash
set -e
b=../scratch/dump-zero
gen() (
local tgt=$1; shift
local log=${tgt%.*}.log
if test -s "$tgt"; then
return
fi
set -x
time "$@" \
>"$tgt" \
2> >(tee >&2 "$log")
)
set -x
go build ./cmd/btrfs-rec
mkdir -p "$b.gen"
{ set +x; } &>/dev/null
gen $b.gen/0.scan-for-nodes.json \
./btrfs-rec --pv=$b.img \
inspect scan-for-nodes
gen $b.gen/1.mappings.json \
./btrfs-rec --pv=$b.img \
inspect rebuild-mappings $b.gen/0.scan-for-nodes.json
gen $b.gen/2.csums.gob \
./btrfs-rec --pv=$b.img --mappings=$b.gen/1.mappings.json \
inspect dump-sums
gen $b.gen/3.mappings.json \
./btrfs-rec --pv=$b.img --mappings=$b.gen/1.mappings.json \
inspect scan-for-extents $b.gen/0.scan-for-nodes.json $b.gen/2.csums.gob
#time ./btrfs-rec --pv=$b.img --mappings=$b.mappings.0.json inspect ls-files \
# &> $b.ls-files.txt
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