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lix/tests/export.sh
Linus Heckemann 78ac3eb4eb Fix
nix-store --export, nix-store --dump, and nix dump-path would previously
fail silently if writing the data out failed, because
 a) FdSink::write ignored exceptions, and
 b) the commands relied on FdSink's destructor, which ignores
    exceptions, to flush the data out.

This could cause rather opaque issues with installing nixos, because
nix-store --export would happily proceed even if it couldn't write its
data out (e.g. if nix-store --import on the other side of the pipe
failed).

This commit adds tests that expose these issues in the nix-store
commands, and fixes them for all three.
2018-02-13 14:26:19 +00:00

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source common.sh
clearStore
outPath=$(nix-build dependencies.nix --no-out-link)
nix-store --export $outPath > $TEST_ROOT/exp
nix-store --export $(nix-store -qR $outPath) > $TEST_ROOT/exp_all
if nix-store --export $outPath >/dev/full ; then
echo "exporting to a bad file descriptor should fail"
exit 1
fi
clearStore
if nix-store --import < $TEST_ROOT/exp; then
echo "importing a non-closure should fail"
exit 1
fi
clearStore
nix-store --import < $TEST_ROOT/exp_all
nix-store --export $(nix-store -qR $outPath) > $TEST_ROOT/exp_all2
clearStore
# Regression test: the derivers in exp_all2 are empty, which shouldn't
# cause a failure.
nix-store --import < $TEST_ROOT/exp_all2